[Amps] HV MOSFETs for RF

[Jim Thomson]

Date: Mon, 8 May 2017 19:48:07 +0200
From: "Peter Voelpel" <dj7ww at t-online.de>
To: <amps at contesting.com>
Subject: Re: [Amps] HV MOSFETs for RF

<Its not that simple.
<My class A amp does 25W and consumes 280W continuously.
<Who would buy a K3 then?

73
Peter

##  25 / 280 =  8.9%  Eff.   Come on, class A is not that bad, more like 25% eff. 
10 / .25 =  40 watts input.   Even my MK-V  runs 25%  eff in class A. 

##  The 100w  K3  driver section is junk, both the driver and the main 100 watt pa need 
a serious  re-design. 

Jim  VE7RF