[Amps] HV MOSFETs for RF
Jim Thomson
jim.thom at telus.net
Tue May 9 13:12:46 EDT 2017
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
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