2sc2879 Amplifier

Another PC board contains the low-pass filters. Takes lot's of DC power! 120amps at 13. do NOT contact me with unsolicited services or offers. The FCC rules state that no illegal external amplifier may be connected to a CB Radio or use on 11 meters in the United States. Skip navigation Sign in. Shop by category Related: 2 sc 2879 transistors hg 2879 transistors dave made 2sc2879 linear amplifier hg 2879 2510 transistors 2290 transistors. -  Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Puri Tronik is listed in Trade India's list of verified sellers offering supreme quality of Eimac 3cx15000a7 New HF Power Amplifier NOS ,Eimac. The DEI 2SC2879 silicon NPN radio frequency power transistor is primarily designed for 2 - 30 MHz SSB linear power amplifier applications. Surface mount components: for increased resistance to shock and vibration. Texas Star 667V Listing is for 1 BRAND NEW UNUSED Texas Star DX667V CW amplifier with mosfet driving FOUR 2879 Transistors. Make sure it can take up to 5-10W, else it will be a hot resistor. Transmitter only radio amateur bands 145MHz TX Pout 1W RX sensitivity abt. They are transistors. transistor (2~30mhz ssb linear power amplifier applications)(low supply voltage use), 2sc2879 データシート, 2sc2879 サ―キット, 2sc2879 データシート : toshiba データシート、電子部品、半導体、ic、ダイオード、トライアックのデータシートの検索サイト. Lpf Hf 200w Hf | Buy Online. by Charles Adkin » Wed, 12 Nov 1997 04:00:00. For new radio orders only. (They may call it a 450, but I have never seen 450 watts out of mine). 2SC2879 x 2 amp question. HAS INPUT AND OUTPUT TUNING. Base current abs max for TIP31 is 1 Amp so his toast should be only a very very light brown. See listing below. Parameters and Characteristics. RF Parts, an American-owned company in the USA has recently initiated new policies, regarding the export of our LIMITED, VINTAGE or RARE electronic products. 8 volts nominal in a push-pull output configuration. Kostenlose Lieferung für viele Artikel!. 25 W amplifier can overcome that 13 dB difference. Vintage Stock: Electronic parts and equipment that was manufactured in the United States as early. Matched 8 2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS. TC-300 200W HF Power AMP for Handheld 27Mhz Radio 2 Years Warranty HYS. • 2-2SC2879 • 350w+ output • 30A fuse • Variable power • RF power meter • Receive Pre Amp • SSB switch • A crystal must be installed to determine the frequency of operation • dx250,dx 250, dx250v, amp, amps, amplifier, 250. at 100 W(PEP) • Omnigold™ Metalization System Pinout. The tester in this video ran away and started going over 100 amps, it hit 120 and the voltage started dropping. -Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it’s approved, suppliers on our site can quote. 16 pill 10 meter linear amplifier toshiba 2sc2879 transistors high power amp!! | eBay Find many great new & used options and get the best deals for 16 PILL 10 METER LINEAR AMPLIFIER TOSHIBA 2SC2879 TRANSISTORS HIGH POWER AMP!! at the best online prices at eBay!. A bipolar transistor amp cannot be a sub 1 or sub 2 class because they do not have grids to have or not have grid current. One key to success with this amplifier was an input attenuator. 8 VDC I expect better performance. Installation included in price for new radio purchases. 2SC2879 DESCRIPTION: The ASI 2SC2879 is a 12. location: youngsville. and preamp rcv mixer post-mixer amp buffer driver xmit mixer t-r t-r i. Must be included at time of radio purchase. ) Intermodulation Distortion: IMD = -24dB(Max. 95 Your Price: $949. Introduction: A solid-state HF amplifier differs fundamentally in its design concept from a tube amplifier. 2SC2879 Datasheet(PDF) 1 Page - Toshiba Semiconductor: Part No. FIN NOTE: ALL ELECTRODES ARE ISOLATED FROM. Although the datasheet claims that the transistor has 250W power as output practically designs can achieve only upto 120W. Mobile Solid State Linear Amplifier Basics. THIS IS THE LAST OF THE TEXAS STAR 500V AMPS ''WITH TOSHIBA 2SC2879 TRANSISTORS. Wilson cellular phone booster amplifier and antennas. FEATURES: • P G = 13 Typ. amp (15w) band-pass filters t-r crystal filters appendix c block diagram w. hopefully 2SC2879 is more durable. Prices and availability are accurate as of 2020-04-24 03:18:38am and are subject to change. Thanks, Doug Tee. NOTE - TOSHIBA 2SC2879'S ARE IN VERY SHORT SUPPLY AND MAY BE DISCONTINUED AT. Amplifiers Without a Driver. Local pickup (659 miles away) Posted 7 months ago in Audio equipment. 2SC2879 = 120 watts 2SC2290 = 80 watts SD1446 = 90 watts A Texas Star 500 has 4 2SC2879 transistors, this makes it a 4 pill amp, 120 watts x 4 pills = 480 watts. High quality RF components combine with load fault sensing, temperature protection, and one-switch frequency selection to make this one of the simplest and easiest-to-operate amplifiers today. 5V, 28MHz Characteristics Output Power : Po=100WPEP MADE IN CHINA NOTE: Please follow these guidelines when using this part: MAX VOLTAGE 14v. 5V, 28MHz Characteristics Output Power : Po = 100WPEP Power Gain : Gp = 13dB Collector Efficiency : ηC = 35% (Min. 100w CB linear amp. 2SC2879 TRANSISTOR PDF - 2SC Transistor Datasheet pdf, 2SC Equivalent. (LOW SUPPLY VOLTAGE USE) Specified 12. 100W 230MHz amp 2x 2SC2879 Lähettänyt OH2BTG klo. It will put out more, but no reason to. 500W Solid State Amplifier without Remote Control Head Features: Mobile no tune Solid State Amplifier: uses four rugged 2SC2879 high power linear RF power transistors. This model PA150 amplifier has outstanding performance in its class and represents truly exception value for money. 95 RCI6900FTB Blank Amplifier Board. ALS-500M amplifiers use two pairs of 2SC2879 transistors operating at 13. 2SC2879 Datasheet PDF: 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW SUPPLY VOLTAGE USE) Specified 12. Very Compact — Just 3 1/2 x 9 x 15 Inches — fits in nearly any mobile installation; weighs only 7 pounds. A wide variety of rf power transistor 2sc2879 options are available to you, There are 63 suppliers who sells rf power transistor 2sc2879 on Alibaba. The DEI 2SC2879 is designed to be equivalent to other brands of 2SC2879 transistors. They are transistors. Features: AM/FM/SSB. BBI amp builder claims 4000 watts plugged up to a 110 outlet. Takes lot's of DC power! 120amps at 13. That's why a "TX-800" is often a 400 watt amplifier, not an 800 watt amplifier as implied. Finden Sie Top-Angebote für 5 Stück Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor bei eBay. Instant bandswitching:, no tuning, no warm up just turn on and operate. I guess TEN TEC use current limiting method , stead of SWR method to protect Final AMP. Depending on their input circuitry, some solid state designs require just 25 watts!. The transistor can operate typically at 28MHZ with a maximum specified voltage of 12. hg 2879 "2879 transistors" Related. 5V, 28MHz Ch… HG 2SC2879 Matched 16. For new radio orders only. 8 volts nominal in a push-pull output configuration. Text: 2SC2879 TOSHIBA TRANSISTOR SILICON NPN EPITAXIAL PLANAR TYPE 2SC2879 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW SUPPLY VOLTAGE USE) Unit in mm Specified 12. It would take full comp set-up to make that happen. Amplifier Hf Low-pass Rd16hhf1 Elekraft 2sc2290 Filter 2sc2879 Lpf Ft-817 200w Hf 2sc2290 Elekraft Rd16hhf1 Ft-817 Amplifier Filter 200w Lpf Low-pass 2sc2879 Lpf Low-pass Filter. Although the datasheet claims that the transistor has 250W power as output practically designs can achieve only upto 120W. This product is currently out of stock. Must be included at time of radio purchase. Inside the amplifier you'll find a pair of 2SC2879 transistors that can give you output as high as 400 watts as listed on the Xforce website. -- ----- Original Message ----- From: "skipp s isaham" To: Sent: February 22, 2003 8:43 PM. (2sc2879 2~30mhz Ssb Linear Power Amplifier Applications)transistors 2sc2879 , Find Complete Details about (2sc2879 2~30mhz Ssb Linear Power Amplifier Applications)transistors 2sc2879,Transistors 2sc2879,Original Transistors 2sc2879,2~30mhz Ssb Linear Power Amplifier Applications Transistors 2sc2879 from Transistors Supplier or Manufacturer-Shenzhen JOWIN Tehnology Co. TRANSISTOR (2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS)(LOW SUPPLY VOLTAGE USE), 2SC2879 Fiche technique, 2SC2879 circuit, 2SC2879 Fiche technique : TOSHIBA, alldatasheet, Fiche technique, Site de recherche de fiches techniques, Site de recherche de fiches techniques de Composants électroniques et de Semi-conducteurs électroniques ainsi que d'autres semi -conducteurs, circuits. Related Searches: gold power amplifier acoustic power amplifier gzbotolave power amplifier original power amplifier diy stereo audio digital power amplifier 1969 class a power amplifier oem power amplifier ac a power amplifiers 600w high power amplifier 150w power amplifier 2. Circa 1990 Ameritron brought out their ALS-500 mobile amplifier. A 28 V, 160 W AMPLIFIER An amplifier which can supply 160 watts (PEP) into a 50. Though not the subject of this review, Ameritron makes another solid state amplifier, the ALS-500M. Perhaps the TX-800 consumes 800 watts -a far more likely scenario. linear amplifier manufacturers to fit active devices branded with the same brand as the linear amplifier manufacturer themselves. 2SC2879 TRANSISTOR PDF - 2SC Transistor Datasheet pdf, 2SC Equivalent. If you buy more than 1, We will match the HFE gain on 2 or more transistors. As we said above, the Class AB Amplifier is a combination of Classes A and B in that for small power outputs the amplifier operates as a class A amplifier but changes to a class B amplifier for larger current outputs. hg 2879 "2879 transistors" Related. HOW TO TEST YOUR TRANSISTORS WITH YOUR MULTIMETERS: Hello everyone!! In this instructable I will be telling you how to test your transistors with the help of your multimeters. YES YES switched DX500V 250 500W/45A we cannot guarantee that the instructions will work on every amp presented. Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Palomar Magnum 6500R are kinda rare I think they run 4 Toshiba 2sc2879's I bought mine on Craiglist a few years back for $200 it was NOS good little amp, I drive it with my 2510 or AT-6666. You first have to decide what class you wish to use it. Amplifiers Without a Driver. Introduction: A solid-state HF amplifier differs fundamentally in its design concept from a tube amplifier. KIT HF 200W LPF RD16HHF1 power 2SC2290 FT-817 2SC2879 amplifier Elekraft Elekraft amplifier 2SC2879 KIT power 2SC2290 HF FT-817 LPF 200W RD16HHF1. 31 post • Page:1 of 3 • 1, 2, 3, 2SC2879 x 2 amp question. more Format Format. Any price and availability information displayed on Amazon at the time. HG 2SC2879 (1) PCS. Linear amplifiers are typically preferred for use with Citizen's Band (CB) radios despite their low efficiency. -Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Texas Star 350HDV and Delta DPS33 power supply!! Listing is for 1 BRAND NEW UNUSED Texas Star DX350HDV CW amplifier with Two 2SC 2879 Transistors AND brand new Delta DPS33 33 amp ac/dc power supply!! All you need is your radio and you got your base station all setup!!. LPF KIT 200W HF power amplifier 2SC2879 FT-817 Elekraft 2SC2290 RD16HHF1 " PicClick Exclusive Popularity - 23,536 views, 20. 5 views per day, 1,147 days on eBay. 2×8 Base (2SC2879 Toshiba) 1×4 Base (PP100 Box) Here is a video for a 100 AMP Regulated power supply. MRF477 is a China high-tech company which passed ISO 9001:2008 quality management systems certification. The resource is currently listed in dxzone. Be prepared and able to communicate in case of emergency with the largest selection at eBay. -113dBm 2630MHz TX Pout 50mW RX sensitivity abt. Palomar 200 watt tube type bi-linear amplifier cb / ham radio (weeping water) Sold at 200 $ For sale: palomar 200 watt bi-linear amplifier cb / ham radio. mobi data below. Parameters and Characteristics. 5 V transistor designed primarily for SSB linear power amplifier applications up tp 28 MHz. A7525 ETHEL AVENUE• NORTH HOLLYWOOD, CA 91605 • (818) 982-1200 • FAX (818) 765-30041/1Specifications are subject to change without notice. Limited Stock: Electronic parts and equipment that we will no longer be able to acquire. >2 wrote: >> >> >> >> >When adjusting the bias for a 2sc2879 amp operating at 15v, what >should the >> >> >resting collector current be for reasonably linear operation?. (LOW POWER INPUT VOLTAGE USE) Specified 12. The AL-500MX CE is a european CE certified version of the AL-500MX 240V export model. What is the correct way to test a Toshiba 2SC2879 transistor out of circuit? Update : I've run ohms readings on CE&B but im not sure of what readings i should get. 22 MHz ) from the PLL circuit, amplified by. 0 MHz to 29. part #: 2SC2879AMQ prices Ratings:. location: youngsville. Depending on their input circuitry, some solid state designs require just 25 watts!. ''GREAT MOBILE AMP, ''NEW'' ''GREAT TRANSISTORS. 8 V nominal in a push-pull output configuration. Weak signals can limit the operation of your CB radio and an amplifier boosts the signal. Base current abs max for TIP31 is 1 Amp so his toast should be only a very very light brown. Hf Amplifier For Sale. You can follow the. Must be included at time of radio purchase. -Instant bandswitching, no tuning, no warm up - just turn on and operate - makes mobile QSOs safer. KIT LPF Unit KIT for 200W HF power amplifier Capacitor C15. HG 2SC2879 (1) PCS. i have built a rf amp for 10 meter using eight 2sc2879 transistors and am having problems with the resistor on one of the output combinders heating up and burning out. FATBOY AMPS. 1PCS New HF/VHF B1A 2SC 2SCA C Transistor High Frequency Tube RF 2SC 2SC. 5V, 28MHz Characteristics Output Power : Po = 100W PEP Power Gain : Gp = 13dB Collector Efficiency : ?C = 35% (Min. For sale here is a decent MLA-2500B linear amplifier. 95 Available for show-room pickup only. 2 sc 2879 transistors. THIS IS THE LAST OF THE TEXAS STAR 500V AMPS ''WITH TOSHIBA 2SC2879 TRANSISTORS. I guess TEN TEC use current limiting method , stead of SWR method to protect Final AMP. f1: 発射可能な周波数: 1. 4 amp fuse is still good. 5V, 28MHz Characteristics Output Power : Po = 100WPEP Power Gain : Gp = 13dB Collector Efficiency : C = 35% (Min , The information contained herein is subject to change. ) (MIL Standard. With the 2995 turned all the way down, the amp deadkeys at 800, swings to 1500. The DEI 2SC2879 is designed to be equivalent to other brands of 2SC2879 transistors. I own homebrew 4 transistor amp that had motorolas in it. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators. Texas Star DX 350 Linear BiLinear Power Amplifier Ham Amateur This is an estate clean out I was able to power it up but have now way to 2m Vhf Power Amplifier Ldmos Blf188xr 144 Mhz 1000w With Copper Plate. 2SC2879: online from Elcodis, view and download 2SC2879 pdf datasheet, Advanced Semiconductor, Inc. Extra Large Heat Sink. 8 V nominal in a push-pull output configuration. In the secon d mixer, consisting of Q6 and Q7 (2SK1 25), the first IF signa l is mixed with the heterodyne oscillator signal (36. Ye Olde Way A common method of matching transistors is to use a fancy active current source to drive a stable current through the devices one at a time and to record the individual Vbe values. Buy Semiconductor online. Rare White Risen Claymore 12 Stack 210 Amplifier Head And 1x12 Cabinet. -Very Compact - Just 3 ½" x 9″ x 15″ - fits in nearly any mobile installation; weighs only 7 pounds. any help would be. Features: AM/FM/SSB. hg 2879 "2879 transistors" Related. 1 Toshiba driving 2 2879 transistors. 2SC1957 NEC Encapsulation:TO-126,TRANSISTOR AUDIO FREQUENCY LOW POWER, DRIVER STAGE AMPLIFIER Transistor (example the Cobra 29LTD or Uniden PC-78 series). 5 V transistor designed primarily for SSB linear power amplifier applications up tp 28 MHz. They are also recognized as one of the Top Rated sellers globally and in the US. 2SC2879 datasheet, 2SC2879 datasheets, 2SC2879 pdf, 2SC2879 circuit : TOSHIBA - TRANSISTOR (2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS)(LOW SUPPLY VOLTAGE USE) ,alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. DougTee New Member. Fast & Free shipping on many items!. i replaced the entire set of tubes a while back and talked with them for approx 20. For 2SC2879 the max allowed current is 25 Amps, which is the maximum colector current. com Davemadeamps - Cb Radio, Electronics, Cb Radios for Sale. This model PA150 amplifier has outstanding performance in its class and represents truly exception value for money. Tube mobiles are also available but output it relative to your bank. Parameters and Characteristics. I remember reading Ameritron changing from Toshiba 2sc’s to another manufacturer but I can’t remember who it is or where I read the article. com Ameritron mobile no tune Solid State Amplifier-Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. The DEI 2SC2879 silicon NPN radio frequency power transistor is primarily designed for 2 - 30 MHz SSB linear power amplifier applications. So a total of 9db gain in output power. Skip navigation Sign in. This is because the CB application prioritizes low-noise over power efficiency, something which a linear amplifier offers. 25 W amplifier can overcome that 13 dB difference. Datasheet: HF12-125 Bipolar Power Transistor Source: Spectrum Devices Capturing measured data from the Foundry Statistical Process Control histograms, automated DC performance and 100% computerized RF Test measurements, Spectrum Devices has implemented new performance guidelines for the HF12-125, providing improved and guaranteed performance. I burn out MRF458 when I put full power into badly matched antenna. Puri Tronik is listed in Trade India's list of verified sellers offering supreme quality of Eimac 3cx15000a7 New HF Power Amplifier NOS ,Eimac. hg 2879 transistors. it puts out every bit of 200 w, and then some. -Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Several of these amplifiers have been built and exhibit similar performance. Great deals on CW Ham & Amateur Radio Amplifiers. Limited time offer. High quality RF components combine with load fault sensing, temperature protection, and one-switch frequency selection to make this one of the simplest and easiest-to-operate amplifiers today. 0 average, based on 2 reviews. 462–2/4 Plarameter Ssymbo Condition Ratings Unit mpin txy ma CVollector-to-Base Saturation Voltage (BR)CBO IC=100µA, IB=00 8V CVollector-to-Emitter Saturation Voltage (BR)CER IC=1mA, RBE=150Ω 7V5 EVmitter-to-Base Saturation Voltage (BR)EBO IE=100µA, IC=5V0 [At specified test circuit] OPutput Power O VCC=12V, f=27MHz, Pi=0. The resource is currently listed in dxzone. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". 150x2=300(3db),300x2=600(3db),600x2=1200(3db). by Adam Farson, VA7OJ/AB4OJ, May 2002. 2sc2879: npn silicon rf power transistor: toshiba semiconductor: 2sc2879: transistor (2~30mhz ssb linear power amplifier applications)(low supply voltage use) 2sc2879a silicon npn epitaxial planar type 2~30mhz ssb linear power amplifier applications (low supply voltage use) search partnumber : start with "2sc2879"-total : 51 ( 1/3 page). 31 post • Page:1 of 3 • 1, 2, 3, 2SC2879 x 2 amp question. Please be aware, It's illegal to use Amplifiers for 11 meter use in the US, and we can't sale as such. Matched Pair 2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS. I added an inline fuse for the remote control connection. Fatboy 2X2879 Amplifier specs: 2 Toshiba Transistors. Kostenlose Lieferung für viele Artikel!. Although the datasheet claims that the transistor has 250W power as output practically designs can achieve only upto 120W. 2SC2879 x 2 amp question. Ameritron mobile no tune Solid State Amplifier - Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. The original wires were 14-gauge. DougTee New Member. With the 2995 turned all the way down, the amp deadkeys at 800, swings to 1500. 16 pill 10 meter linear amplifier toshiba 2sc2879 transistors high power amp!! | eBay Find many great new & used options and get the best deals for 16 PILL 10 METER LINEAR AMPLIFIER TOSHIBA 2SC2879 TRANSISTORS HIGH POWER AMP!! at the best online prices at eBay!. net (Bill Eitner) > > >>>>When adjusting the bias for a 2sc2879 amp operating > > >>>>at 15v, what > > - > > Remember that unless you're using a temperature > > compensating bias circuit the resting collector current > > will rise as the heatsink,. In other words, it takes 4 RF power transistors to get a true 100 RMS watts on AM. 500W Solid State Amplifier without Remote Control Head Features: Mobile no tune Solid State Amplifier: uses four rugged 2SC2879 high power linear RF power transistors. LM324 tienda, Reseller, LM324. A transistor is a semiconductor that allows current to flow through it under certain conditions, and cuts current off when other conditions are present. What is the correct way to test a Toshiba 2SC2879 transistor out of circuit? Update : I've run ohms readings on CE&B but im not sure of what readings i should get. LPF KIT 200W HF power amplifier 2SC2879 FT-817 Elekraft 2SC2290 RD16HHF1 | eBay. If the diode bridges in the power supply are not mounted on a metal chassis, they too must be provided with heat sinks. One advantage is that there's no power dissipated in the output transistors when there is no signal present. 462–2/4 Plarameter Ssymbo Condition Ratings Unit mpin txy ma CVollector-to-Base Saturation Voltage (BR)CBO IC=100µA, IB=00 8V CVollector-to-Emitter Saturation Voltage (BR)CER IC=1mA, RBE=150Ω 7V5 EVmitter-to-Base Saturation Voltage (BR)EBO IE=100µA, IC=5V0 [At specified test circuit] OPutput Power O VCC=12V, f=27MHz, Pi=0. Related Searches: gold power amplifier acoustic power amplifier gzbotolave power amplifier original power amplifier diy stereo audio digital power amplifier 1969 class a power amplifier oem power amplifier ac a power amplifiers 600w high power amplifier 150w power amplifier 2. this is the last of the texas star 500v amps ''with toshiba 2sc2879 transistors. Mobile no tune Solid State Amplifier -- uses four rugged 2SC2879 high power linear RF power transistors. ive never built one before and id like to give it a shot. 2) My two pill amplifier with two 2879 pills will dead key 400 watts and modulate 800 watts. Very Compact -- Just 3 1/2 x 9 x 15 Inches -- fits in nearly any mobile installation; weighs only 7 pounds. 8-2SC2879: AB1: 1-----switched: Remote for 1200/1600 (optional remote control head with 20 foot cord) Fan Kit for 1200/1600 (optional top and bottom covers with four cooling fans). 2510 transistors. 2SC2879 Transistor are not included. 0 MHz to 29. 5pcs 2sc2879 Rfvhfuhf Toshiba Transistor 230mhz Ssb Linear Power Amplifier. First they are not "pills". Introduction: A solid-state HF amplifier differs fundamentally in its design concept from a tube amplifier. Here the VXO (Variabele X-tal Oscillator) has a tuning. f1: 発射可能な周波数: 1. com Davemadeamps - Cb Radio, Electronics, Cb Radios for Sale. A bipolar transistor amp cannot be a sub 1 or sub 2 class because they do not have grids to have or not have grid current. Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it's approved, suppliers on our site can quote. As we know the SD1446 and 2SC2879 are not made any more. If you have information like old manuals please feel free to email […]. There are appearing various replacements for the other two and for the costlier -455, according to the table. (w/ DCP, IEEE, RS-232, Fiber Optic, Ethernet and USB interfaces) 150 Watt CW, 10 kHz - 100 MHz RF Power Amplifier. Ameritron mobile no tune Solid State Amplifier - Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Thanks, Doug Tee. Solid Aluminum Chassis. In order to significantly reduce the harmonic emissions, it has been equipped with Cauer filters (elliptical) with cutting frequencies of 3/4. Most CB amps are actually class C, and there is a reason for that. $700 BEST OFFER Specs On Galaxy 95t2 : Low Dead Key 15 swings to 100 - 125 watts The Popular 95T with Improved Features!! Built in 2-2SC2290 transistors for high power. Quick view. [Amps] 2879 biasing: From: kd6tas at netzero. HG 2SC2879 C. Share Thread (dual 3-500zg) or AL-1500 (single 3cx1500a7) for what he wants for some of those amps, and you would get a better amp. (LOW SUPPLY VOLTAGE USE) Specified 12. US RM Italy HLA 300V Plus Professional Linear Amplifier With Fans [HLA300vb] - 4 MRF 455 Transistors inside Black face is the same as the blue face model, there's no difference! A full range HF amplifier with automatic or manual band switching. 東芝2SC2879を使いHF帯用リニアアンプを作りました。回路図は別ページの通りです。プッシュプルアンプを1ユニットとして2ユニットを電力合成しています。. 8-2SC2879: AB1: 1-----switched: Remote for 1200/1600 (optional remote control head with 20 foot cord) Fan Kit for 1200/1600 (optional top and bottom covers with four. 2SC2879 HG-Huagao Transistor These are made to be a direct replacement for Discontinued Toshiba 2SC2879 Silicon NPN RF Power Transistor for HF (2 ~ 30MHz) SSB Linear Power Amplifier Applications. Depending on their input circuitry, some solid state designs require just 25 watts!. ) (MIL Standard. Pre>Transistors 2 x 2sc2879 Driving 8 x 2sc2879 Dimensions H 5 3/4' x L 14 1/2' x W 21' Amp Draw (maximum) 25 (AC) Class c SSB Delay yes Pre-amp yes Power Output (RMS)800 Watts Power Output (PEP)2400 Watts Unit shown is for a standard 110 outlet. For new radio orders installation is free. The seller is "dnradio" and is located in Europa. RCI2970N4, RCI69FFB4 or FFC4. ) Intermodulation Distortion: IMD = -24dB(Max. the reason i say 2SC2879's is because i already have 16 of them along with a 450 amp power supply. Some other linear amplifiers may be available on special order once we receive your deposit or full payment, as applicable. Xforce sells a remote to use with this amplifier. This amplifier was introduced in February 2006. linear amplifier cb - Bias Comb 26 - radio cb 24/28 volt - 26/30Mhz - 500 Watt. amplifiers were subjected to open and short circuit output mismatches for several minutes at full power levels without any apparent damage to any of the transistors. Double FET balanced mixer: for improved receiver inter-modulation rejection. 2SC2879 DESCRIPTION: The ASI 2SC2879 is a 12. 10 METER MOBILE CW LINEAR AMPLIFIER TEXAS STAR DX 350 2 - 2SC2879 TRANSISTORS 30 AMP FUSE RF METER RECEIVE PREAMP SSB DELAY. LM324 Datasheet(libre), LM324 Datasheet, LM324 Datasheet, LM324 PDF, LM324 precio unitario compra, LM324 Detalles del producto. Here is a video of a Base box for a local. If you have been wanting a high power amp here it is. Listing #1477053 - Submitted on 02/15/20 by Callsign W8KMA - IP: 50-107-84-106. The AL-500MX CE is a european CE certified version of the AL-500MX 240V export model. Palomar Magnum 6500R are kinda rare I think they run 4 Toshiba 2sc2879's I bought mine on Craiglist a few years back for $200 it was NOS good little amp, I drive it with my 2510 or AT-6666. Solid-state amplifiers cannot be class "AB1" or class "AB2". This is DUB'S personal favorite of the Texas Star Line of Amps!! Specifications: Frequency Range: 28. The AL-500MX CE is a european CE certified version of the AL-500MX 240V export model. Xforce Amplifier, Xforce, Amplifier, cb radio, cb amplifiers, radio sales and service, power supplies, antenna systems, forum, 2sc2879, 2sc2290, power pills, pp60. Though not the subject of this review, Ameritron makes another solid state amplifier, the ALS-500M. Here is a video of a "SLEEPER" Messenger Modulator. com, mainly located in Asia. 2SC2879: Description TRANSISTOR (2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS)(LOW SUPPLY VOLTAGE USE): Download 2 Pages: Scroll/Zoom: 100% : Maker. \$\endgroup\$ – Russell McMahon Dec 7 '11 at 3:32 \$\begingroup\$ I didn't start with that voltage… That's just what I stopped at as it was too close to the 40ma max for the PIC controller pin to experiment further. Limited Stock: Electronic parts and equipment that we will no longer be able to acquire. This is a nice QRP transmitter that can be used in combination of one of the simple receivers. Make sure it can take up to 5-10W, else it will be a hot resistor. amp noise blanker agc bal. Request Advanced Semiconductor, Inc. , TRANSISTOR SILICON NPN EPITAXIAL PLANAR TYPE 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW SUPPLY VOLTAGE USE). Quick Navigation Amplifier discussion Top. US RM Italy HLA 300V Plus Professional Linear Amplifier With Fans [HLA300vb] - 4 MRF 455 Transistors inside Black face is the same as the blue face model, there's no difference! A full range HF amplifier with automatic or manual band switching. LPF KIT 200W HF power amplifier 2SC2879 FT-817 Elekraft 2SC2290 RD16HHF1 | eBay. LM324 Datasheet(libre), LM324 Datasheet, LM324 Datasheet, LM324 PDF, LM324 precio unitario compra, LM324 Detalles del producto. Sams' index goes back to 1946 and a majority of tube amplifiers & tuners made for consumer use between 1946 and 1970 have appeared in Photofact folders, as do most tube radios, consoles, intercoms and TV sets (with some major exceptions, like Fender guitar amps). Palomar Magnum 6500R are kinda rare I think they run 4 Toshiba 2sc2879's I bought mine on Craiglist a few years back for $200 it was NOS good little amp, I drive it with my 2510 or AT-6666. Request Advanced Semiconductor, Inc. 5V, 28MHz Characteristics Output Power : Po = 100W PEP Power Gain : Gp = 13dB Collector Efficiency : ?C = 35% (Min. Huagao Semiconductor Co. You can follow the. Mid Power RF Amplifiers. NEW TEXAS STAR DX-350HDV 2879 Pills CW AMPLIFIER Amp W/ NEW 33 Amp Power Supply - $587. One advantage is that there's no power dissipated in the output transistors when there is no signal present. Must be included at time of radio purchase. Shipping will be by insured ups or USPS. Popular Citizens band radio & Linear amplifier videos CB Radio - Topic; 73 videos; 6,032 views; Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier - Modified AB(C) Biased by 1883GotDown. according to datasheet 2SC2879 has more dissipating power capacity and current. i replaced the entire set of tubes a while back and talked with them for approx 20. Diodes D1, D2, D3. 863-8358a4 863-8981a6 Cylinder Block Mercury Mariner 4050 Hp 4 Cyl, Brand New. -115dBm 434MHz TX Pout 1W RX sensitivity abt. MOSFETs have an advantage over BJT in having a simple drive circuit, being less prone to thermal stability and having high input impedance. HOW TO TEST YOUR TRANSISTORS WITH YOUR MULTIMETERS: Hello everyone!! In this instructable I will be telling you how to test your transistors with the help of your multimeters. category is a curation of 98 web resources on , HF Tetrode Linear Amplifiers, Alpha Amplifier Upgrades, 811 Linear Amplifier project. Amplifier Hf Low-pass Rd16hhf1 Elekraft 2sc2290 Filter 2sc2879 Lpf Ft-817 200w Hf 2sc2290 Elekraft Rd16hhf1 Ft-817 Amplifier Filter 200w Lpf Low-pass 2sc2879 Lpf Low-pass Filter. com Free Ham Radio Classified Ads from QTH. Be prepared and able to communicate in case of emergency with the largest selection at eBay. High quality RF components combine with load fault sensing, temperature protection, and one-switch frequency selection to make this one of the simplest and easiest-to-operate amplifiers today. Add to Cart. Datasheet: HF12-125 Bipolar Power Transistor Source: Spectrum Devices Capturing measured data from the Foundry Statistical Process Control histograms, automated DC performance and 100% computerized RF Test measurements, Spectrum Devices has implemented new performance guidelines for the HF12-125, providing improved and guaranteed performance. The first IF signal of 45. Save on Semiconductor. Improved display lighting: for easy reading in a wide range of light conditions. I added an inline fuse for the remote control connection. I own homebrew 4 transistor amp that had motorolas in it. 2-30MHz SSB LINEAR POWER AMPLIFIER. NOTE - TOSHIBA 2SC2879'S ARE IN VERY SHORT SUPPLY AND MAY BE DISCONTINUED AT. As everyone knows Toshiba has discontinued this transistor. Davemade amplifiers davemadenj 2sc2879 2sc2290 hg2sc2879 hg2sc2290 toshiba 3-500z 3cx3000a7 3cx10000a7 3cx15000a7 4cx800 cb radio 4cx250b rfjunk. 5/8/15/22/31 Mhz. Surface mount components: for increased resistance to shock and vibration. If you have been wanting a high power amp here it is. ) Intermodulation Distortion: IMD = -24dB(Max. Quick view. 2×8 Base (2SC2879 Toshiba) 1×4 Base (PP100 Box) Here is a video for a 100 AMP Regulated power supply. 3W and the input driving power is 30-50mW. White "REC AMP" Button turns the receive amplifier on to provide 6dB of gain for your receiver. 3W will still get your RF signal quit far and I advice you to use a good 50 ohm resistor as dummy load. This is very important in most equipment designs to avoid possible downtime for transistor replacements. 150x2=300(3db),300x2=600(3db),600x2=1200(3db). The is a low signal and low noise NPN transistor with a good hfe value of upto 1000 of high linearity this. 5pcs 2sc2879 Rfvhfuhf Toshiba Transistor 230mhz Ssb Linear Power Amplifier. by Charles Adkin » Wed, 12 Nov 1997 04:00:00. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". Toshiba's 2sc2879/2sc2879a transistors are rated at 100 watts PEP each. Quick Navigation Amplifier discussion Top. 00 New - Rca 6166a 7007 Ceramic Rf Beam Power Tube 12kw Radio Amplifier Vhf Hf. Matched 16 2-30MHz SSB LINEAR POWER. 95 (Quantity discounts available) Manufacturer: HuaGao. Guess again, and stop using those lying Dosy and Paradynamics meters. This radio is setup perfectly with this amp. This link is listed in our web site directory since Friday Mar 8 2013, and till today "60 W Linear Amplifier Circuit" has been followed for a total of 2066 times. ; THIS AUCTION IS FOR ONE PACK OF 10-Piece Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor item shipped by royal register fast mail , shipping time is 7-9 days. I guess TEN TEC use current limiting method , stead of SWR method to protect Final AMP. 5/8/15/22/31 Mhz. (2sc2879 2~30mhz Ssb Linear Power Amplifier Applications)transistors 2sc2879 , Find Complete Details about (2sc2879 2~30mhz Ssb Linear Power Amplifier Applications)transistors 2sc2879,Transistors 2sc2879,Original Transistors 2sc2879,2~30mhz Ssb Linear Power Amplifier Applications Transistors 2sc2879 from Transistors Supplier or Manufacturer-Shenzhen JOWIN Tehnology Co. This is a nice feature if you intend to mount the amplifier in a difficult to reach location. For new radio orders only. Here is a video of a Base box for a local. linear amplifier cb - Bias Comb 26 - radio cb 24/28 volt - 26/30Mhz - 500 Watt. US RM Italy HLA 300V Plus Professional Linear Amplifier With Fans [HLA300vb] - 4 MRF 455 Transistors inside Black face is the same as the blue face model, there's no difference! A full range HF amplifier with automatic or manual band switching. i have built a rf amp for 10 meter using eight 2sc2879 transistors and am having problems with the resistor on one of the output combinders heating up and burning out. 4 GHz Power Amplifier (Bluetooth) The SST12LP00 is a high-performance power amplifier designed for Bluetooth in the 2. In this article I will be concerned with wideband (untuned) amplifiers for use in the HF band (1MHz to 45MHz). Davemade amplifiers davemadenj 2sc2879 2sc2290 hg2sc2879 hg2sc2290 toshiba 3-500z 3cx3000a7 3cx10000a7 3cx15000a7 4cx800 cb radio 4cx250b rfjunk. 2SC2879 datasheet, 2SC2879 datasheets, 2SC2879 pdf, 2SC2879 circuit : TOSHIBA - TRANSISTOR (2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS)(LOW SUPPLY VOLTAGE USE) ,alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. [Amps] 2879 biasing: From: kd6tas at netzero. (AF) amplifiers or pre-amplifiers. FATBOY AMPS. 500W Solid State Amplifier without Remote Control Head Features: Mobile no tune Solid State Amplifier: uses four rugged 2SC2879 high power linear RF power transistors. The 5 to 10 W output level is a common standard for portable radios with many commercially available examples. Both radio and amp have fans for cool operation and operate they do. Mobile no tune Solid State Amplifier -- uses four rugged 2SC2879 high power linear RF power transistors. Must be included at time of radio purchase. Most CB amps are actually class C, and there is a reason for that. 2SC2879 NPN Amplifier Transistor. As originally configured there is a 12 VDC unfused run that goes to the remote control for a "remote power on" function. 2SC2879 from Toshiba America Electronic Components, Inc. Installation included in price for new radio purchases. Another use of the "power Amplifier", is for use in receiving antenna distribution systems. Find the cheap Transistors 2sc2879, Find the best Transistors 2sc2879 deals, Sourcing the right Transistors 2sc2879 supplier can be time-consuming and difficult. Quick view. New toshiba 2sc2879a 2sc2879 transistors set of 4 popular toshiba transistor common to many transceivers and linear amplifiers. The ALS-500M uses two pairs of 2SC2879 transistors operating at 13. Under the first they would loaf along and hopefully last a while, whereas with the second. please feel free to ask any questions. If you have information like old manuals please feel free to email […]. You can test a transistor with a multimeter that has a diode test function. Microwave Amplifie 2SC2879A POWER TRANSISTOR A2879A. Microwave Amplif 2PCS 2SC2879 rofessional one station high-frequency tube,RF. MOSFETs have an advantage over BJT in having a simple drive circuit, being less prone to thermal stability and having high input impedance. Power Output: < 5 watts. As we research the engineering files we will try to post the pictures and manuals for all the products. Transistors are commonly used as either a switch or a current amplifier. \$\endgroup\$ – Russell McMahon Dec 7 '11 at 3:32 \$\begingroup\$ I didn't start with that voltage… That's just what I stopped at as it was too close to the 40ma max for the PIC controller pin to experiment further. Ameritron mobile no tune Solid State Amplifier The AL-500MR is a combination of the AL-500M and the Remote Head ALS-500RC. "2879 transistors" Alternatives. The 2SC2879 is an age old transistor that was commonly used in linear RF amplifier designs. The ALS-500M uses two pairs of 2SC2879 transistors operating at 13. Type: HF linear amplifier: Frequency range: 26-30 MHz: Maximum output power: 400 W (PEP) Drive power: Max 25 W (PEP) Power supply: 13. Huagao Semiconductor Co. A transistor is a semiconductor that allows current to flow through it under certain conditions, and cuts current off when other conditions are present. Abstract: 2SC2879 NPN SILICON RF POWER TRANSISTOR DESCRIPTION: The ASI 2SC2879 is a. If you find that your amplifier is producing broad band noise. (They may call it a 450, but I have never seen 450 watts out of mine). If you buy more than 1, We will match the HFE gain on 2 or more transistors. Ameritron mobile no tune Solid State Amplifier -Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. The Texas Star 500R is a kick-ass amp, but it has it's limitations. 2SC2879 Power Transistor Silicon NPN 12v 100 watt Matched Set of 6pcs. Adding an attenuator worked well and solved this. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators. The item "LPF KIT 200W HF power amplifier 2SC2879 FT-817 Elekraft 2SC2290 RD16HHF1″ is in sale since Wednesday, March 15, 2017. 20 / Piece. (LOW SUPPLY VOLTAGE USE) Specified 12. -Instant bandswitching, no tuning, no warm up - just turn on and operate - makes mobile QSOs safer. Solid Aluminum Chassis. capacitor bypass, while the other one is providing constant degenerative feedback to enhance amplifier stability, reducing the chance of oscillations. Discussion in '"Boat Anchor" & Classic Equipment' started by W3RU, Dec 10, 2015. -Very Compact - Just 3 ½" x 9" x 15" - fits in nearly any mobile in. Collector 2. 2SC2879-MATCHED SET OF 4 ( 4 TRANSISTORS MATCHED ), SILICON NPN TRANSISTOR2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS. Popular Citizens band radio & Linear amplifier videos CB Radio - Topic; 73 videos; 6,032 views; Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier - Modified AB(C) Biased by 1883GotDown. 東芝2SC2879を使いHF帯用リニアアンプを作りました。回路図は別ページの通りです。プッシュプルアンプを1ユニットとして2ユニットを電力合成しています。. The biggest and best ham radio classifieds on the web! Buy, sell, trade HF and VHF equipment, towers, antennas, rotators and more!. TRANSISTOR (2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS)(LOW SUPPLY VOLTAGE USE), 2SC2879 Fiche technique, 2SC2879 circuit, 2SC2879 Fiche technique : TOSHIBA, alldatasheet, Fiche technique, Site de recherche de fiches techniques, Site de recherche de fiches techniques de Composants électroniques et de Semi-conducteurs électroniques ainsi que d'autres semi -conducteurs, circuits. 2SC2879 HG-Huagao Transistor These are made to be a direct replacement for Discontinued Toshiba 2SC2879 Silicon NPN RF Power Transistor for HF (2 ~ 30MHz) SSB Linear Power Amplifier Applications. DougTee New Member. 5V, 28MHz Characteristics Output Power : Po = 100WPEP. Directly driven from any 100W transceiver, and the solid state design means no tuning is necessary and there is almost six times the power advantage. f1: 発射可能な周波数: 1. 5 V transistor designed primarily for SSB linear power amplifier applications up tp 28 MHz. HG 2SC2879 (1) PCS. tom, your impedances between. New condition good working Armadillo 2-transistor base station linear Amplifier. Yaesu FT-757GX1 which use same 2SC2879 also specified 225 mA for both. A palomar 450 has 4 SD1446 transistors, this also makes it a 4 pill amp, 90 watts x 4 pills = 360 watts. It will put out more, but no reason to. Normally these designs have only two transistors: one is the X-tal oscillator and the second the final amplifier. Kostenlose Lieferung für viele Artikel!. Palomar 200 watt tube type bi-linear amplifier cb / ham radio (weeping water) Sold at 200 $ For sale: palomar 200 watt bi-linear amplifier cb / ham radio. 4x 2SC2879 Transistor Amplifier Board for 400W+ output. Must be included at time of radio purchase. Back in stock as of 3/10/2020. These are good HF power transistors, and the SD1446 can do VHF too and is used in a recent Tokyo Hi Power ham band amplifier. The transistor can operate typically at 28MHZ with a maximum specified voltage of 12. what he seems to be doing by adding capacitors is increasing the amount of current that he can dump through the collectors. Lpf Hf 200w Hf | Buy Online. The 5 to 10 W output level is a common standard for portable radios with many commercially available examples. 2SC2879-MATCHED SET OF 4 ( 4 TRANSISTORS MATCHED ), SILICON NPN TRANSISTOR2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS. 2SC2879 Datasheet (PDF) 1. Also, we found that the 2SC2879 had a bit higher Collector to Base breakdown voltage, which would be of interest it the transistor was to be pushed beyond factory specs. Stability: 50 parts per million, 0-50 degrees Celsius with typical quartz crystal. We focus on RF power transistors R & D and manufacturing including RF chips and related ceramic packages. Texas Star Documentation Project CBTricks. Davemade amplifiers davemadenj 2sc2879 2sc2290 hg2sc2879 hg2sc2290 toshiba 3-500z 3cx3000a7 3cx10000a7 3cx15000a7 4cx800 cb radio 4cx250b rfjunk. All units are bench tested by our technician before shipping to assure our customers of 100% reliability and operation. Semiconductor Electronic Components 2SC2879 TRANSISTOR,BJT,NPN,18V V(BR)CEO,25A I(C),SOT-121VAR. - Very Compact - Just 3 ½" x 9" x 15" - fits in nearly any mobile installation; weighs only 7 pounds. Text: 2SC2879 TOSHIBA TRANSISTOR SILICON NPN EPITAXIAL PLANAR TYPE 2SC2879 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW SUPPLY VOLTAGE USE) Unit in mm Specified 12. Ameritron mobile no tune Solid State Amplifier - Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. bias diode voltage dropping assembly, The assembly is used in For CT circuit of the RF chassis to set bias to the tubes. The truth is, most tube amplifiers only need about 65 to 80 watts for full rated output, and some as little as 40 watts. The 1 watt 20 meter QRP transmitter with VXO. 2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS. f1: 発射可能な周波数: 1. 2sc2879: npn silicon rf power transistor: toshiba semiconductor: 2sc2879: transistor (2~30mhz ssb linear power amplifier applications)(low supply voltage use) 2sc2879a silicon npn epitaxial planar type 2~30mhz ssb linear power amplifier applications (low supply voltage use) search partnumber : start with "2sc2879"-total : 51 ( 1/3 page). 5 V transistor designed primarily for SSB linear power amplifier applications up tp 28 MHz. ; THIS AUCTION IS FOR ONE PACK OF 10-Piece Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor item shipped by royal register fast mail , shipping time is 7-9 days. So a total of 9db gain in output power. -  Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. The 2SC2879 is rated for 100 watts PEP output power at 12. WARRANTY: ITEM comes with 180 days warranty; Verify model compatibility prior to bidding;. 8-2SC2879 100 Watt Input 1200 Watt Ouptput Power Operates Class AB Operates Class C Selectable Variable Power Receive Pre-Amp Switchable Delay Internal Cooling Fan High Temperature Thermal Switch Thermal Switch Turns Fan On Rocker Switch Selects Auto or Fan On Laser Cut Stainless Steel Nameplate Laser Cut Stainless Steel Backplate Front Panel. linear amplifier manufacturers to fit active devices branded with the same brand as the linear amplifier manufacturer themselves. High quality RF components combine with load fault sensing, temperature protection, and one switch frequency selection to make this one of the simplest and easiest to operate amplifiers today. One key to success with this amplifier was an input attenuator. -Very Compact - Just 3 ½" x 9″ x 15″ - fits in nearly any mobile installation; weighs only 7 pounds. FM Broadcast Transmitter Amplifier 88-108 MHz 28W FM Broadcast Transmitter Amplifier 88-108 MHz: pin. These are good HF power transistors, and the SD1446 can do VHF too and is used in a recent Tokyo Hi Power ham band amplifier. So I just wanted to see if there was any truth to the myth that transistors with a gain of one don't work. 5 views per day, 1,126 days on eBay. The truth is, most tube amplifiers only need about 65 to 80 watts for full rated output, and some as little as 40 watts. Hover over image to zoom. 8 - 4W Output 20W Laag geluidsniveau GaAsFET pre-amp Pre- Prijs: € 279 ; meer info. Sams' index goes back to 1946 and a majority of tube amplifiers & tuners made for consumer use between 1946 and 1970 have appeared in Photofact folders, as do most tube radios, consoles, intercoms and TV sets (with some major exceptions, like Fender guitar amps). Here is a video of a “SLEEPER” Messenger Modulator. 95 RCI6900FTB Blank Amplifier Board. 20 / Piece. As we know the SD1446 and 2SC2879 are not made any more. 00 New - Rca 6166a 7007 Ceramic Rf Beam Power Tube 12kw Radio Amplifier Vhf Hf. 25 W amplifier can overcome that 13 dB difference. 2SC2879 2001-01-31 1/3 TOSHIBA TRANSISTOR SILICON NPN EPITAXIAL PLANAR TYPE 2SC2879 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW SUPPLY VOLTAGE USE) Specified 12. -  Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. hopefully 2SC2879 is more durable. 3W and the input driving power is 30-50mW. The DEI 2SC2879 silicon NPN radio frequency power transistor is primarily designed for 2 - 30 MHz SSB linear power amplifier applications. Find great deals on eBay for 2879 transistors and 2 sc 2879 transistors. 5V, 28MHz Characteristics Output Power : Po=100WPEP Power Gain : Gp=13dB Collector Efficiency : '7 C = 35 Present (Min. Mobile no tune Solid State Amplifier — uses four rugged 2SC2879 high power linear RF power transistors. Harmonic Attenuation: 60 dB down nominal. Solid-state amplifiers cannot be class "AB1" or class "AB2". 100w CB linear amp. do NOT contact me with unsolicited services or offers. This action is achieved by pre-biasing the two transistors in the amplifiers output stage. Amateur Amplifiers The Ameritron ALS-500M is a mobile no tune, solid state amplifier providing power output up to 500 watts PEP and 400 watts CW from 1. Inside the amplifier you'll find a pair of 2SC2879 transistors that can give you output as high as 400 watts as listed on the Xforce website. You MUST use an antenna. Popular Citizens band radio & Linear amplifier videos Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier - Modified AB(C) Biased linear amplifier cb. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators. In this article I will be concerned with wideband (untuned) amplifiers for use in the HF band (1MHz to 45MHz). - Very Compact - Just 3 ½" x 9" x 15" - fits in nearly any mobile installation; weighs only 7 pounds. 5pcs 2sc2879 - $425. PA150 HF LINEAR 200W Amplifier The PA150 is a 200 Watts SSB/CW rugged HF Linear amplifier units that will give many years of hard working service latest and smallest amplifier. 5V, 28MHz… HG 2SC2879 Matched 8. Replacements fo the SD1446, MTF455, and 2SC2879 (1/2) > >> Opcom: As we know the SD1446 and 2SC2879 are not made any more. One key to success with this amplifier was an input attenuator. Established in 2005, Puri Tronik has made a name for itself in the list of top suppliers of Electronic Products & Components in Indonesia. 5 views per day, 1,126 days on eBay. and preamp rcv mixer post-mixer amp buffer driver xmit mixer t-r t-r i. Here is a video of a Base box for a local. Parameters and Characteristics. 8vdc I use two 155ah 12v batteries in parallel to supply the voltage, and use my Schumaker charger to keep the charge up. Make offer Ask. THIS IS THE LAST OF THE TEXAS STAR 500V AMPS ''WITH TOSHIBA 2SC2879 TRANSISTORS. Palomar 200 watt tube type bi-linear amplifier cb / ham radio (weeping water) Sold at 200 $ For sale: palomar 200 watt bi-linear amplifier cb / ham radio. Npn 2sc2879 C2879 Power Amplifier Transistors , Find Complete Details about Npn 2sc2879 C2879 Power Amplifier Transistors,Transistors 2sc2879,2sc2879,2sc2879 Transistors from Transistors Supplier or Manufacturer-Shenzhen Xeefee Technology Co. 5 through 21. Ameritron mobile no tune Solid State Amplifier -Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. -  Mobile no tune Solid State Amplifier - uses four rugged 2SC2879 high power linear RF power transistors. Toshbia 2879 VS Three Different Brews Of China HG(HuaGao) 2SC2879 Transistors TEST! Here is a test granted by the owner of HG Semi and I would like to give a special thanks to Mr. Ranger RCI-63FFC4 10 Meter Radio The Ranger RCI-63FFC4 is rated at one of the top output 10 meter radios available today! This bad boy actually used a "pair" of Toshiba 2sc2879 transistors, capable of producing 400 watts peak!! Amaze your friends as you're killin' it in dx land, straight radio!. Xforce sells a remote to use with this amplifier. Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it's approved, suppliers on our site can quote. 5 views per day, 1,147 days on eBay. DX 400 650 watt output / 1-2SC2290 driving 4-2SC2879 / Class AB1 / Variable power levels / METER PREAMP BUILTIN / SSB DELAY / 3-1/4"(H). ) Intermodulation Distortion : IMD = −24dB(Max. 2sc2879: npn silicon rf power transistor: toshiba semiconductor: 2sc2879: transistor (2~30mhz ssb linear power amplifier applications)(low supply voltage use) 2sc2879a silicon npn epitaxial planar type 2~30mhz ssb linear power amplifier applications (low supply voltage use) search partnumber : start with "2sc2879"-total : 51 ( 1/3 page). (2sc2879 2~30mhz ssb linear power amplifier applications)transistors 2sc2879 US $26. Normally these designs have only two transistors: one is the X-tal oscillator and the second the final amplifier. The SST12LP00 is based on the highly-reliable InGaP HBT technology and provides 29 dB gain and 23 dBm P-1dB—ideal for final stage power amplification in Bluetooth transmitter applications. hg 2879 transistors. i replaced the entire set of tubes a while back and talked with them for approx 20. Fatboy 2X2879 Amplifier specs: 2 Toshiba Transistors. 10000 Watt CW, 80 MHz - 1000 MHz RF Power Amplifier. About 60 W Linear Amplifier Circuit The resource is currently listed in dxzone. As we know the SD1446 and 2SC2879 are not made any more. 5V, 28MHz Characteristics Output Power : Po = 100W PEP Power Gain : Gp = 13dB Collector Efficiency : ?C = 35% (Min. 2SC2879 HG-Huagao Transistor These are made to be a direct replacement for Discontinued Toshiba 2SC2879 Silicon NPN RF Power Transistor for HF (2 ~ 30MHz) SSB Linear Power Amplifier Applications. bias diode voltage dropping assembly, The assembly is used in For CT circuit of the RF chassis to set bias to the tubes. Al has been using his amplifier on each of the HF. First they are not "pills". Texas Star Dx 350 Linear Bilinear Power Amplifier Ham Amateur. Perhaps the TX-800 consumes 800 watts -a far more likely scenario. 2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS. 5 volts DC supply with a typical gain of 15. United States (US) Germany (DE) Italy (IT) United Kingdom (UK) France (FR) Spain (ES) Canada (English). -----8902296C24EA59DDF1BEEDA3. Find the cheap Transistors 2sc2879, Find the best Transistors 2sc2879 deals, Sourcing the right Transistors 2sc2879 supplier can be time-consuming and difficult. 4 amp fuse is still good. Skip to main content. 10 METER MOBILE CW LINEAR AMPLIFIER TEXAS STAR DX 500V 4 - 2SC2879 TRANSISTORS HIGH AND VARIABLE POWER LEVEL RF METER PREAMP SSB SWITCH. 2SC2879 from Toshiba America Electronic Components, Inc. In order to significantly reduce the harmonic emissions, it has been equipped with Cauer filters (elliptical) with cutting frequencies of 3/4. 2SC2879 2001-01-31 1/3 TOSHIBA TRANSISTOR SILICON NPN EPITAXIAL PLANAR TYPE 2SC2879 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW SUPPLY VOLTAGE USE) Specified 12. BASE AMP 2 PIC UNIT 32 PILL 2SC2879 WITH POWER SUPPLY. This product is currently out of stock. 10 METER MOBILE CW LINEAR AMPLIFIER TEXAS STAR DX 350 2 - 2SC2879 TRANSISTORS 30 AMP FUSE RF METER RECEIVE PREAMP SSB DELAY. ALS-500MX amplifiers use two pairs of 2SC2879 transistors operating at 13. Instant band switching, no tuning, no warm up - just turn on an. The original wires were 14-gauge. Vintage Stock: Electronic parts and equipment that was manufactured in the United States as early. Xforce Amplifier, Xforce, Amplifier, cb radio, cb amplifiers, radio sales and service, power supplies, antenna systems, forum, 2sc2879, 2sc2290, power pills, pp60. 0 V P DISS 250 W @ T. Instant bandswitching, no tuning, no warm up -- just turn on and operate -- makes mobile QSOs safer. 0 MHz to 29. ) Intermodulation Distortion: IMD = -24dB(Max. Shipping will be by insured ups or USPS. 5 V transistor designed primarily for SSB linear power amplifier applications up tp 28 MHz.