Hi, Robert:
I have Omron G6A-274P40-DC12 V relays in my TR7s to handle the RF signals. The
driver is my version of the KB7Y QSK card from his Communications Quartery
Summr 1992 article. The relay is in a DIP socket in the location of the
original Drake "clackety-clack" relay. The DIP socket is
Back in the seventies, I built a T/R switch into a Heathkit DX-60 using
a dual gate FET. It connected with a small capacitor to the input of the
PI Network. It worked fast with a Drake 2B, without the harmonics of
a Johnson T/R switch. However, the receiver had to be on the same
band as the trans
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