There is also a reed relay that switches the antenna input to the
receiver. If you have the amplifier switching relay active, you don't
hear the reed relay, but with the amp relay disabled, you will hear a
gentle "ping" coming from the reed relay.
Bob WB2VUF
"Dr. Gerald N. Johnson, electrical engineer" wrote:
>
> I think that relay you hear is the amplifier keying relay. Some object
> to it's sound and stuff a bit of paper match stick under the armature to
> stop it from clicking.
>
> 73, Jerry, K0CQ
>
> --
> Entire content copyright Dr. Gerald N. Johnson, electrical engineer.
> Reproduction by permission only.
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