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July 31st 13, 09:23 AM
posted to rec.radio.amateur.homebrew
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Intermittent 1/f noise
"lw1ecp" wrote in message ... Hi!. I want to tie a ~40MHz VCO to a frequency stabiliser. A PIC measures initial f and then makes corrections. Resolution is 10Hz. The PIC count is shown on a LCD module. Hi I would suspect le reverse voltage on the varicap diode getting too close to zero. Try adding a small battery in serial to the control loop. |
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