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Old March 16th 07, 10:01 PM posted to rec.radio.amateur.homebrew,sci.electronics.basics,sci.electronics.design
whit3rd whit3rd is offline
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First recorded activity by RadioBanter: Mar 2007
Posts: 3
Default VCXO frequency isn't high enough

On Mar 13, 10:02 am, "Anthony Fremont" wrote:
Hello all,

... supposed to pull the colorburst crystal
high in frequency then the adjustable cap should be able to tweak it back
down.


It's only possible to pull a crystal a little way from its center
frequency
by external components. If you put a resistor in parallel with the
crystal (to lower its Q) you can increase the pull range.