[Amps] Alpha 76PA Conversion - Drive Issue

Steve g8gsq72 at gmail.com
Thu Dec 2 17:17:41 EST 2021


Somewhere I have a copy of an early release data sheet for the 3CX800 - 
before it was re-rated to 750W (so a pair = 1500W) to fit in with FCC 
rules about output specifications. From memory it has 2500V max. and 
gives operating conditions for 1300W rf output.

Steve G8GSQ

> Eimac specified a maximum of 2250V.
> 
> 73
> Peter
> 
> -----Original Message-----
> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of gudguyham---
> via Amps
> 
> 3cx800 tubes like 2600-2700 on the plates for maximum gain.   2000 volts is
> a bit anemic for 3cx800 tubes.  



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