3:1 range VCO and varactor RF voltage swing

November 26th 09, 02:01 AM posted to rec.radio.amateur.homebrew

lw1ecp

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First recorded activity by RadioBanter: May 2007

Posts: 26

3:1 range VCO and varactor RF voltage swing

I saw one with a modified Wien-bridge that had an AGC (...)
Thanks Bill for your immediate answer!. Yes, RC oscillators have
impressive f spans: you change R or C by 10:1 and f changes 10:1, not
its square root. But... my needs go into the many hundreds MHz, sorry,
I have to stick to LC oscillators.

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