4cx250b amplifier

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

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

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

6m 200 Watt linear using a 4CX250B - This 50 MHz RF Amplifier uses a 4CX250b forced air cooled tetrode and produces 250 W for a drive level of approximately 3 W.

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