VHF Amplifiers

50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.

Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.

N4IP HF and 6 Meters amplifier - A solid state amplifier for HF and 6 meters band by N4IP

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

144 MHz 1.2 Kilowatt Amplifier - 144 MHz Kilowatt Amplifier with a Gu74b.

VHF linear amplifier pictures - 4CX250B X2 K2RIW style 2m amplifier

144 MHz PA with MRF317 - A 2 meter power amplifier

2 KW Power Amplifier for 2 meters - 2 KW power amplifier for 144 MHz using the GU84B tube by Paul Chominski WA6PY

50Mhz amplifier GS35b by OZ1DPR - A 6 meters band amplifier width schematics

YU1AW-2m-easy build QRO - Schematics and drawings

I5UXJ home made amplifiers - Infomration schematics and pictures about various hf and vhf QRO linear amplifiers

6 meters power amplifier - A PDF file containing schematics and instructions to hombrew a power amplifier for 50 Mhz

GI-7 on 2m - Schematic & drawing for a GI-7b 2m linear amplifier

KI0LE Amplifiers and Preamps - Picture gallery of vhf uhf amplifiers

Low power VHF RF amplifier - Low power VHF RF amplifier with VMP1 Mosfet by IZ1BTS IK1XPD

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.

LZ2US-3 144 Mhz ampl - Using 2 x GU74B / 4CX800A

N4IP HF and 6 Meters amplifier - A solid state amplifier for HF and 6 meters band by N4IP

PA7TA RF Amplifiers - VHF UHF Amplifiers

Power amplifier for 2m rig - An RF power supply for 144 MHz schematics and instructions

Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.

RW3AZ VHF amplifiers page - 2m/70cm GS31B Power amplifier pictures

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

The 50MHz Assistant - Preamp & Power Amp By Alkberto, I0XGR

The hunter six amplifier review - Review by Clive Davies, G4FV

Using the Heath SB-200 Linear on Six Meters - Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V

VHF 200W Amplifier project - 2m 200 Watt linear using a 4CX250B

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

VHF linear amplifier pictures - 4CX250B X2 K2RIW style 2m amplifier

VHF Power amplifier for 6m and 2m - YU1AW power amplifier schematic for 50 MHz and 144 MHz made with 1xGI7V

YU1AW 2m PA - GI-7B, GS-31B & GS-35B power amps, 144 MHz QRO

YU1AW-2m-easy build QRO - Schematics and drawings