[Amps] AL-1500 Plate Meter Circuit

Jim W7RY w7ry at inbox.com
Thu Dec 23 13:04:59 PST 2010


Merry Christmas!
I'm working on a AL-1500. I noticed that the is only one 1.5 Ohm resistor in the plate metering circuit. The schematic calls for two 1.5 Ohm resistors (R3 and R4).

The plate current seems just a bit high. With 1500 watts out, plate current is about 975 ma @ 2900 volts. I really believe the amp is a bit more efficient than this.  

Ideas?
Thanks
73
Jim W7RY


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