Capactiance of tuning capacitor?
Answer:
I'm not sure, but I think it is 11-44 pF, and around 21-235, or maybe 330 pF for AM.
In this FM design, it is 15-120 pF:
http://www.somerset.net/arm/reprints/rad...
less than 100e-12 Farads or 100pF.
It really depends on the inductor used to form the LC resonator.
See the source below for a 1 transistor FM radio for DIY'rs.
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