W7RY wrote:
> Since there is nothing in the current archives... What are the pros and cons
> on using solid state relays for switching on the plate supply transformer of
> a 1500 watt tube type linear amplifier?
>
> What is the voltage drop across them? I'm going to use two of them, one for
> applying 240 volts and the other for shorting out the step start resistor. I
> see that in Jerry's K8RA project in the handbook, he uses four relays instead
> of two. Any idea why?
>
> I know that the relays are quiet and provide for immediate shutdown of the HV
> if an arc occurs but has anyone come into the shack and found the high
> voltage running on their amplifier because a relay shorted from of a voltage
> surge on the AC line?
>
I've used many of them in industrial applications with outstanding
results for reliability and function. How they'd work around RF I don't
know.
73
Roger (K8RI)
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