09-01-2020, 06:53 PM
No that's sort of a misnomer. The 1st detector is better known as the mixer or converter. 1st detector doesn't detect anything but it does mix two signals or converts the incoming rf signal and the local oscillator signal to the IF frequency.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry
