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: 2522 | Votes: 5 | Rating: 3.60 ]
    • 1250 W Power Amplifier for 50 MHz - The power amplifier 6 meter band tetrode GU-43B / 4CX1000 - 1250 W
      [ Hits: 205 | Votes: 0 | Rating: 0.00 ]
    • 144 MHz 1.2 Kilowatt Amplifier - 144 MHz Kilowatt Amplifier with a Gu74b.
      [ Hits: 8216 | Votes: 12 | Rating: 4.08 ]
    • 144 MHz Amplifier using 2xGS-35B - This 144 MHz PA is using 2xGS-35B tubes. It was build by Joel F6JMT for the Radio Club of Fontainebleau F8KTH
      [ Hits: 1849 | Votes: 4 | Rating: 4.50 ]
    • 144 MHz PA with MRF317 - A 2 meter power amplifier
      [ Hits: 8284 | Votes: 17 | Rating: 4.47 ]
    • 144 Mhz power amplifier 4CX250B - This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes type 4CX250B by LA0BY
      [ Hits: 9141 | Votes: 16 | Rating: 4.31 ]
    • 144 MHz Power amplifier with 2XGS35 B - A VHF power amplifier with a triode 2XGS35 B by FF66JMT, in french
      [ Hits: 1302 | Votes: 2 | Rating: 4.50 ]
    • 1KW 2 Meter Amplifier - 2 meter kilowatt linear amplifier
      [ Hits: 1331 | Votes: 1 | Rating: 2.00 ]
    • 1KW 222 Mhz Amplifier - 222 MHz kilowatt linear amplifier
      [ Hits: 385 | Votes: 0 | Rating: 0.00 ]
    • 1KW 6 meter LDMOS Linear Amplifier - A home made 50 MHz KW power amplifier project with picture and PCB schematic by W6PQL
      [ Hits: 408 | Votes: 0 | Rating: 0.00 ]
    • 2 KW Power Amplifier for 2 meters - 2 KW power amplifier for 144 MHz using the GU84B tube by Paul Chominski WA6PY
      [ Hits: 7155 | Votes: 7 | Rating: 6.14 ]
    • 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: 1758 | Votes: 1 | Rating: 10.00 ]
    • 2 meters Power Amplifiers - Several 144 MHz Power Amplifier by YT1AR using GI7B GS31B GS35B GU34B
      [ Hits: 2563 | Votes: 3 | Rating: 1.00 ]
    • 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: 639 | Votes: 304 | 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: 4100 | Votes: 25 | Rating: 8.20 ]
    • 20 W linear amplifer for 2 meters band - A basic VHF power amplifier suitable for 2M (144-146 Mhz) the output power vary from 3 to 25 Watts By VU2RAR
      [ Hits: 2258 | Votes: 2 | Rating: 10.00 ]
    • 20 Watts PA VHF Module - Modification of the MHW 612 by Motorola for the two meter band by sv1bsx
      [ Hits: 1439 | Votes: 1 | Rating: 5.00 ]
    • 2m 200 Watt linear using a 4CX250B - This VHF RF linear uses a 4CX250b forced air cooled tetrode and produces 250 W output for a drive level of approximately 3 W
      [ Hits: 915 | Votes: 2 | Rating: 1.50 ]
    • 2m 400 Watt linear using two 4CX250B - This is the classic push-pull 2m linear amplifier featured in the various RSGB handbooks, 3 W input, can produce 500W of linear pep
      [ Hits: 880 | Votes: 2 | Rating: 2.00 ]
    • 2m and 6m Power Amp - Duoband PA for 6m and 2m by T92T abd YU1AW schematic
      [ Hits: 1328 | Votes: 2 | Rating: 1.00 ]
    • 2m GU-78b 4 kW Amplifier - 4 kW rf power amplifier for 2 meters band using GU78B / 4CX2500 by LZ2US
      [ Hits: 1331 | Votes: 1 | Rating: 10.00 ]
    • 400 W RF Power amplifier for 144 MHz - G4DCV's 144MHz amplifier with a pair of GI-7b Russian triodes
      [ Hits: 2372 | Votes: 3 | Rating: 5.33 ]
    • 400W VHF Linear - A 400 W 144 MHz GI7b Linear amplifier
      [ Hits: 2138 | Votes: 5 | Rating: 3.00 ]
    • 50 Mhz Amplifier - This is a homebrew 100 watt six meter linear amplifier. The project was designed by Pat Bunn - N4LTA, and was featured in the October 1990 issue QST magazine.
      [ Hits: 2227 | Votes: 2 | Rating: 8.50 ]
    • 50 MHz Amplifier by F5MAG - Home made 6m amplifier with GI7B, by F5MAG available in French English and Spanish
      [ Hits: 1305 | Votes: 8 | Rating: 8.37 ]
    • 50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.
      [ Hits: 13253 | Votes: 29 | Rating: 6.73 ]
    • 50 MHz GS35b Power Amplifier - OZ1DPR six meter power amplifier using the russian VHF triode GS35b
      [ Hits: 679 | Votes: 2 | Rating: 1.00 ]
    • 50 MHZ power amplifier - YU1AW power amplifier for 6 meters band using 2xGI7B
      [ Hits: 1200 | Votes: 0 | Rating: 0.00 ]
    • 50 MHz Power Amplifier - Home-brew 50 MHz Power Amplifier by UN8GC
      [ Hits: 888 | Votes: 0 | Rating: 0.00 ]
    • 50 Mhz solid state 600W amplifier - G3WZT John Matthews project of a 600 Watt solid state linear amplifier for the 6 meters band
      [ Hits: 2003 | Votes: 0 | Rating: 0.00 ]
    • 50 MHz VHF power amplifier - Class C tuned VHF power amplifier for the 6-meter band by ON6MU
      [ Hits: 1398 | Votes: 1 | Rating: 3.00 ]
    • 500w 4X150A/7034 TubeVHF amplifier - 500w 4x150a/7034 tube 26-30mhz vhf output amplifier
      [ Hits: 1272 | Votes: 3 | Rating: 3.33 ]
    • 50Mhz amplifier GS35b by OZ1DPR - A 6 meters band amplifier width schematics
      [ Hits: 5373 | Votes: 17 | Rating: 7.18 ]
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