"Dave" wrote in message
...
Hey all,

Would an air-gap tuning capacitor intended for
transmitting hook up any differently from an air-gap
tuning capacitor intended for receiving? I built a
project following the schematic for a commercial product,
but the (intended for transmitting) capacitor doesn't like
being hooked up with the stator grounded. Can't figure
out how to make it work the way the schematic is drawn, so
I ungrounded the stator and take the input for the
amplifier from there instead of the rotor. And doing
this, it works fine. Anyone have any input? I'm all
ears...

Thanks,

Dave

Its not the cap. The main difference between receiving
and transmitting variable air capacitors is the voltage
rating. Since transmitting capacitors are made for higher
voltages they have greater plate spacing and consequently
larger plates for the same capacitance. without seeing the
circuit I can't guess as to what is wrong.


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Richard Knoppow
Los Angeles, CA, USA