[Amps] Actuating a 120 VDC relay with low voltage

[Jim W7RY]

I have a board available. Contact me off list.

73, Jim W7RY


On 12/26/2022 4:04 PM, Steve London wrote:
> I have an old PT-2500A with a 120 volt relay. Modern radios don't like such
> a high voltage on their PTT circuit.
>
> Can someone point me to a circuit that will allow control of the 120 volt
> PTT relay with something in the 12-24 volt range ? Seems like it should be
> pretty simple with a transistor that can handle 120 volts collector to
> emitter, but I would rather have a tried-and-true circuit so I don't screw
> something up.
>
> Thanks and 73,
> Steve, N2IC
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-- 
Thanks and 73, Jim W7RY