Home : Technical Reference : Amplifiers : VHF Amplifiers
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    • 100W 50Mhz power amplifier - G3WZT design for a single stage bi-polar 100-150W Linear Power Amplifier for the 6M band.
      [ Hits: 2542 | Votes: 5 | Rating: 3.6 ]
    • 1250 W Power Amplifier for 50 MHz - The power amplifier 6 meter band tetrode GU-43B / 4CX1000 - 1250 W
      [ Hits: 224 | Votes: 0 | Rating: 0 ]
    • 144 MHz 1.2 Kilowatt Amplifier - 144 MHz Kilowatt Amplifier with a Gu74b.
      [ Hits: 8259 | Votes: 12 | Rating: 4.08 ]
    • 144 MHz PA with MRF317 - A 2 meter power amplifier
      [ Hits: 8355 | Votes: 17 | Rating: 4.47 ]
    • 1KW 2 Meter Amplifier - 2 meter kilowatt linear amplifier
      [ Hits: 1352 | Votes: 1 | Rating: 2 ]
    • 1KW 222 Mhz Amplifier - 222 MHz kilowatt linear amplifier
      [ Hits: 398 | Votes: 0 | Rating: 0 ]
    • 1KW 6 meter LDMOS Linear Amplifier - A home made 50 MHz KW power amplifier project with picture and PCB schematic by W6PQL
      [ Hits: 433 | Votes: 0 | Rating: 0 ]
    • 2 m. Band VHF PA 5 Watts - A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum
      [ Hits: 1780 | Votes: 1 | Rating: 10 ]
    • 2.5KW VHF Power Amplifier - A home made VHF 2.5kw RF power amplifier made with a GS35B Triode and designed by Frank F1CXX built in 2003
      [ Hits: 698 | Votes: 307 | Rating: 7.91 ]
    • 20 kW Power Amplifier for 144 MHz - YU1AW project for a home made QRO PA 144 MHz 20 kW GU36B-1
      [ Hits: 4244 | Votes: 25 | Rating: 8.2 ]
    • 20 Watts PA VHF Module - Modification of the MHW 612 by Motorola for the two meter band by sv1bsx
      [ Hits: 1463 | Votes: 1 | Rating: 5 ]
    • 400 W RF Power amplifier for 144 MHz - G4DCV's 144MHz amplifier with a pair of GI-7b Russian triodes
      [ Hits: 2395 | Votes: 3 | Rating: 5.33 ]
    • 400W VHF Linear - A 400 W 144 MHz GI7b Linear amplifier
      [ Hits: 2154 | Votes: 5 | Rating: 3 ]
    • 50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.
      [ Hits: 13287 | Votes: 29 | Rating: 6.73 ]
    • 50 Mhz solid state 600W amplifier  updated - G3WZT John Matthews project of a 600 Watt solid state linear amplifier for the 6 meters band
      [ Hits: 2028 | Votes: 0 | Rating: 0 ]
    • 50 MHz VHF power amplifier - Class C tuned VHF power amplifier for the 6-meter band by ON6MU
      [ Hits: 1415 | Votes: 1 | Rating: 3 ]
    • 50Mhz amplifier GS35b by OZ1DPR - A 6 meters band amplifier width schematics
      [ Hits: 5389 | Votes: 17 | Rating: 7.18 ]
    • 50MHz kW Amplifier - A 50MHz kW Amplifier by Goran Grubishic, 9A6C
      [ Hits: 616 | Votes: 0 | Rating: 0 ]
    • 50W Power Amplifier for 70 MHz - RF Power amplifier project for the 4m band by PA70H
      [ Hits: 780 | Votes: 1 | Rating: 10 ]
    • 6 meter Power Amplifier - 6-Meter Solid-State 100W Linear Amplifier complete documentation German and English
      [ Hits: 950 | Votes: 3 | Rating: 4.67 ]
    • 600W 50Mhz power amplifier - G3WZT design for a bi-polar 600W Linear Power Amplifier for the 6M band.
      [ Hits: 1622 | Votes: 0 | Rating: 0 ]
    • 6m KW Amplifier - K6ODV Six Meter KW Amplifier Designs
      [ Hits: 796 | Votes: 0 | Rating: 0 ]
    • 6m Power Amplifier - Home Brew 6 Meter Amplifier with a single 4CX250B by W4NFR
      [ Hits: 378 | Votes: 0 | Rating: 0 ]
    • 6M QRO - 500 W RF Power Amplifier for 50 MHz by KB0NLY
      [ Hits: 1269 | Votes: 1 | Rating: 10 ]
    • 70 MHz Mosfet Amplifier - A 160W linear amplifier for 4 meters band based on GI0GDP
      [ Hits: 494 | Votes: 2 | Rating: 6.5 ]
    • 80W all mode VHF amplifier - 80 watt multi-mode amplifier using one of the newer S-AV36 Toshiba modules. Less than 50 milliwatts will drive it to full output in any mode.
      [ Hits: 373 | Votes: 0 | Rating: 0 ]
    • A 20W Amplifier for 2 meters - VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.
      [ Hits: 2726 | Votes: 5 | Rating: 6.6 ]
    • A cool KW linear amplifier for 50 MHz - Larcan LoLo 1KW 6m Amplifier, is a cool power amplifier for 50 MHz thanks to the digital television revolution.
      [ Hits: 324 | Votes: 0 | Rating: 0 ]
    • Acom 1000 70 Mhz modification - ACOM 1000 modification uses electric band switching, such that both 6m and 4m operation can be maintained.
      [ Hits: 1426 | Votes: 0 | Rating: 0 ]
    • Building a 100 Watt 2M Linear Amplifier - Article about assembling of a Dick Smith Electronics (DSE) 100 Watt VHF Linear Amplifier kit.
      [ Hits: 368 | Votes: 1 | Rating: 9 ]
    • Building High Power Amplifiers - SM5BSZ article on building VHF RF amplifiers
      [ Hits: 1406 | Votes: 1 | Rating: 10 ]
    • DL4MEA 144MHz and 432MHz Amplifier - 144 and 432 Mhz GS35b High Power Amplifier
      [ Hits: 2875 | Votes: 6 | Rating: 9.17 ]
    • DL5DBM 1KW amplifier for 144 Mhz - Pictures and circuit diagramm to build this power amplifier for 2 meters
      [ Hits: 3096 | Votes: 2 | Rating: 10 ]
    • GJ4ICD's 8877 50MHz Amplifier - A Compact 8877 50MHz amplifier and Power supply
      [ Hits: 1075 | Votes: 1 | Rating: 10 ]
    • GS-35B 6 meter amplifier - VHF power amplifier for 50MHz using GS-35B tubes, output 1500 W with 75 W input
      [ Hits: 569 | Votes: 1 | Rating: 1 ]
    • Harris Platinum Solid State Power Amplifier for 50 or 70 MHz - Harris Platinum I Solid State Channel 2, and 3 TV Amplifier Modules for use, on 50 or 70 MHz
      [ Hits: 146 | Votes: 2 | Rating: 10 ]
    • Homebrew 50 MHz Amplifier - Home made RF power amplifier for six meter band
      [ Hits: 1593 | Votes: 1 | Rating: 10 ]
    • I5UXJ home made amplifiers - Infomration schematics and pictures about various hf and vhf QRO linear amplifiers
      [ Hits: 5127 | Votes: 6 | Rating: 5.5 ]
    • IK8MKK Home-Made equipment - Two 50 Mhz amplifiers and antenna switch
      [ Hits: 2471 | Votes: 2 | Rating: 9.5 ]
    • Low power VHF RF amplifier - Low power VHF RF amplifier with VMP1 Mosfet by IZ1BTS IK1XPD
      [ Hits: 2104 | Votes: 5 | Rating: 8 ]
    • LZ2US Amplifiers - LZ2US offers 3 types amplifiers for the serious VHF/UHF amateur. These amplifiers are very robust and in use by contest groups and EME stations all over the world. Every amplifier is custom made.
      [ Hits: 1791 | Votes: 2 | Rating: 10 ]
    • N4IP HF and 6 Meters amplifier - A solid state amplifier for HF and 6 meters band by N4IP
      [ Hits: 10133 | Votes: 5 | Rating: 9 ]
    • PA7TA RF Amplifiers - VHF UHF Amplifiers
      [ Hits: 3186 | Votes: 5 | Rating: 7 ]
    • Power amplifier for 2m rig - An RF power supply for 144 MHz schematics and instructions
      [ Hits: 1967 | Votes: 2 | Rating: 4 ]
    • Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.
      [ Hits: 11569 | Votes: 20 | Rating: 5.51 ]
    • RW3AZ VHF amplifiers page - 2m/70cm GS31B Power amplifier pictures
      [ Hits: 1178 | Votes: 4 | Rating: 7.75 ]
    • Six Meter Final Amplifier - K9EID 75W power amplifier for the six meters
      [ Hits: 371 | Votes: 0 | Rating: 0 ]
    • Six-Meter Linear Amplifier - This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. Power output is 800W
      [ Hits: 1518 | Votes: 1 | Rating: 10 ]
    • The 50MHz Assistant - Preamp & Power Amp By Alkberto, I0XGR
      [ Hits: 2375 | Votes: 1 | Rating: 10 ]
    • The hunter six amplifier review - Review by Clive Davies, G4FV
      [ Hits: 1031 | Votes: 0 | Rating: 0 ]
    • Using the Heath SB-200 Linear on Six Meters - Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V
      [ Hits: 2626 | Votes: 5 | Rating: 4.2 ]
    • VHF 1Kw Amplifier - 2 x GI7B in push-pull 2m and 6m 1kW Power amplifier from PA0ZH
      [ Hits: 1030 | Votes: 1 | Rating: 7 ]
    • VHF FM Power Amplifier - A 144MHz FM class C RF Power Amplifier based on a 2N6084 RF transistor, that can produce 50w output max
      [ Hits: 315 | Votes: 2 | Rating: 4 ]
    • VHF Linear Amplifier by SV1BSX - There is not a personal design on this page, just I've transfered useful notes from PHILIPS RF Bipolar Transistors - Data HandBook about BLY89C VHF Power transistor, which is very popular among Amateur Radio homebrewers
      [ Hits: 1262 | Votes: 3 | Rating: 4 ]
    • VHF linear amplifier pictures - 4CX250B X2 K2RIW style 2m amplifier
      [ Hits: 7764 | Votes: 9 | Rating: 5.56 ]
    • ZETAGI B303 Mod for 50MHz - Converting a ZETAGI B303 power amplifier for 50 MHz usage
      [ Hits: 1310 | Votes: 3 | Rating: 3.33 ]
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