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Old November 9th 19, 07:08 PM posted to rec.radio.amateur.moderated,rec.radio.amateur.homebrew
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Default [QRZ] Xtal oscillator issue


Homebrew and Kit Projects

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Xtal oscillator issue

Posted: 09 Nov 2019 10:04 AM PST
https://forums.qrz.com/index.php?thr...-issue.680007/




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Old November 10th 19, 11:27 PM posted to rec.radio.amateur.homebrew
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Default [QRZ] Xtal oscillator issue

On Saturday, November 9, 2019 at 12:08:45 PM UTC-6, QRZ.com via rec.radio.amateur.moderated Admin wrote:
Homebrew and Kit Projects

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Xtal oscillator issue

Posted: 09 Nov 2019 10:04 AM PST
https://forums.qrz.com/index.php?thr...-issue.680007/


Hi,
Conventional wisdom says that an inductor in series with an xtal will pull it low, while a cap pulls it high. That said, I have found pulling them low is more challenging than high.
Putting 2 (or more) xtals in parallel is sometimes tried to increase the pull range. Much depends on the circuit values that are used.
Can you post the circuit you are using? Also, do a search on super CXOs for more info.

Bob WB0POQ


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