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#21
March 15th 07, 12:55 PM
posted to rec.radio.amateur.homebrew,sci.electronics.basics,sci.electronics.design
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VCXO frequency isn't high enough
On Wed, 14 Mar 2007 06:26:39 -0500, "Anthony Fremont"
wrote: Arv wrote: My W1AW receiver uses the crystal with just a 5-47 pf variable capacitor...no inductor, and it nets right on frequency. Try shorting Story of my life. ;-) the inductor and see if this gets you closer to the required frequency. Not all color burst crystals were created equal. If you have another crystal you might want to try it. That seems to be the common consensus. I suspect my crystal is just too good. ;-) Your ferrite will not be saturating at the small amount of signal you are sending through it as part of an SA-602 oscillator. Thanks, I know very little about these things. --- Here's a good tutorial: http://www.foxonline.com/techdata.htm -- JF |
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