Amateur radio, programming, electronics and other musings

144MHz Linear Complete

Exhaust fans
Rear of the amplifier
Inside the 500w PA
Low pass filter, coaxial relay, DC distribution
Front of the amplifier.  Power, standby, voltmeter, ammeter, LEDs.
Solid state relay, 48v to 12v converter, panel mounted monitoring.
500w PA

This evening saw the completion of my 144MHz 500w linear amplifier. Could only get about 450 watts out of it even though the FET is rated at 600w. Pushed it a little to far on the input (5w) and caused it to break down. Ordered a new FET and now know the limits. Should be back on the air in a week or so.