01-11-2017, 01:22 PM
Regarding the shield if you are using a metal tube and pin 1 of the socket is connected to chassis ground then all is well. Metal tube w/pin 1 not connected to ground needs a shield. Glass tube needs a shield.
Wire L like Mike sez is a gimmick capacitor. In this circuit it's used the couple a little bit of signal from the local oscillator into the input of the mixer.
Wire L like Mike sez is a gimmick capacitor. In this circuit it's used the couple a little bit of signal from the local oscillator into the input of the mixer.
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
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
