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Article #7421Voltage Controlled Xtal Oscillator
From: Geoff Bull
Date: Mon, 24 Sep 1990 21:07
Date: Mon, 24 Sep 1990 21:07
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1774 bytes
I want to build a 60 MHz VCXO.
Can I simply replace the capacitor on a MC1658 VCO with a capacitor
and crystal in series (as shown below)?
_
| |
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----| |-----------| | | |---
| | | | | | | |
| | | |
| - |
| |
| |
| |
| |
------------------------------------------------
| Cx Cx |
| |
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| Motorola MC1658 |
| Plessey SP1658 |
| |
| |
| |
------------------------------------------------
If this would work, why? Any better ideas?
--
Geoff Bull (Senior Engineer) Phone : (+61 48) 68 3490
Highland Logic Pty. Ltd. Fax : (+61 48) 68 3474
348-354 Argyle St ACSnet : geoff@hls0.hls.oz.au
Moss Vale, 2577, AUSTRALIA
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!metro!wolfen!hls0!geoff From: geoff@hls0.hls.oz (Geoff Bull) Newsgroups: sci.electronics Subject: Voltage Controlled Xtal Oscillator Keywords: Oscillators VCO VCXO Message-ID: <935@hls0.hls.oz> Date: 24 Sep 90 21:07:20 GMT Lines: 33