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Old November 3rd 03, 12:49 PM
Thanasis
 
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Default Switched reactances in VCO

In the book "Introduction to Radio Frequency Design" of W7ZOI and in
the section 7.9 "Voltage Controlled Oscillators" I read about how to
switch in and out a capacitor or an inductor in a VCO, using a diode
switch in order to alter the frequency of the oscillator.

Unfortunately this information is theoritical to me and I couldn't
make my oscillator change its frequency.

Does any one have a practical example of a Switched reactance VCO ?

Thanks
Thanasis Lazos

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