4cx250b

Valve Data Sheets - This web page has full data sheets for a number of commonly used valves. Most are Eimac and include the 2C39A, 3-500Z, 3-1000Z, 3CX1500A7, 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. These are not avialable on Eimac's web site in full - only brief notes.

4CX250B PA regulated supplies - A PA project by John, G8MN

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  ^new - This is the classic push-pull 2m linear amplifier featured in the various RSGB handbooks, 3 W input, can produce 500W of linear pep

2m 200 Watt linear using a 4CX250B  ^new - This VHF RF linear uses a 4CX250b forced air cooled tetrode and produces 250 W output for a drive level of approximately 3 W