I know that Command Technologies uses solid state relays in their amps. As
well as QRO Technologies.
I have also used them and have no problems with them.
Just my .02$ worth.
73
Jim W7RY
----- Original Message -----
From: <nospam4me@juno.com>
To: <amps@contesting.com>
Sent: Saturday, June 24, 2000 10:37
Subject: [AMPS] ssr's in qro amps
>
> re: ss relays in amplifier hv supplies
>
> I've had a recent look at the new amplifier pics.
>
> One of the units shows the use of 3 solid state relays
> for control. I've always been worried about the use of
> ssr's around the combination of RF and Amplifier high
> voltage DC supplies.
>
> I do like the idea of using ssr's in HV power supplies,
> but their reliable application in QRO amplifiers has
> never been proven "100% safe" to me. Hence, I use
> mechanical types for the required application.
>
> I've experienced problems with ssr's which tend to
> "slightly leak" or turn themselves on, especially in the
> presence of high rf fields. I'd be curious to read
> (hear) comments from builder - users of ssr's applied
> to rf amplifier and related subject HV supplies here on
> amps. Have some of you sourced a reliable ssr that
> functions well in amp HV supplies.? Any special "hints
> or kinks" you've run into. I'd like to revisit ssr's in my
> next box should their hv ps application be viewed as
> "trustworthy."
>
> thanks
> skipp
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