Another project on the bench is a transmitter power amplifier for the 144MHz band based on the Russian ex-military GS35 triode tube, ( centre top ), and which should be capable of an output in the region of 700 watts. The bias board ( right ) is completed, as is the control and switching board, ( left ); but the project is on hold. Despite my great endeavours, I cannot locate a source for the needed 2000 volt, 2 KVA eht transformer !
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