[ARC5] "Quiet" ARC-5 Keying

Kenneth G. Gordon kgordon2006 at frontier.com
Fri Nov 18 16:38:20 EST 2016


On 18 Nov 2016 at 13:31, Ian Wilson wrote:

> [Replying to a very old thread here]. 
> 
> I finally seem to have some time to get some of my ARC-5 gear on the air again.
> One thing I would like to do is to try out keying
>   a) using the Selector relay in the TX (with contacts adjusted so PA turns on first),
>   b) using a HV MOSFET in the B+ supply (external to the TX).
> 
> I have a few FQP2N80 that look good to me (800V, 85W). Does anyone have an
> actual circuit (different devices, no doubt) that I could start from?

Well, keep us informed of what you come up with.

Ken W7EKB

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