[Elecraft] K2/100 #4198 PA Stability Problem?
Vic Rosenthal
[email protected]
Wed May 5 12:12:36 2004
Earl W Cunningham wrote:
> When driving an amplifier with the K2/100, the problem is even more
> severe because of the larger electromagnetic field generated by the amp's
> HV transformer while the amp is keyed. In my case, even six feet of
> separation is not enough. With the K2/100 spaced 30 feet from the amp,
> it is clean.
I have an Alpha 86 with a huge Hypersil transformer in it, and there's
no problem with a separation of about 4 feet (1.2 m). I did have
problems with an antenna rotator control box which contains a much
smaller transformer until I moved that about 18" (46 cm) away.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco