Dutch Amateur Radio Station

Frank Veldhuijsen

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144 MHz amplifier with 2x4CX250b



After more than 30 years I still enjoy looking back in the building notes from this amplifier. Even today it is still in my head as when I builded it.


The amplifier was able to work in class AB1 for SSB and class C for FM and CW. Well tuned the output was about 1 kW but most of the time 750 Watts was the limit.


This amplifier gave me so much pleasure that, when I sold most of the old stuff I collected during 30 years of hamradio, I decided that it should stay in my shack.




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