[Amps] Building or Buying a Tuned Input Network

Vic K2VCO vic at rakefet.com
Mon Jan 23 14:24:18 EST 2006


Gary Schafer wrote:
> 
> Having a fixed input cap and fixed inductance you can not vary the center
> frequency of the circuit.

There is some available inductance variation by squeezing/separating the 
turns on thre toroid.  As I said, I had good luck making the input 
capacitor variable and the output fixed, but one could certainly make 
*both* variable to maximize the amount of twiddling possible!

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco


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