frequency synthesizer

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Article #1255

#1255

From: Jack Houde
Date: Sun, 20 Aug 1989 17:39

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Hoping some intelligent soul out there might be able to
help me solve a perplexing problem. Here goes:

I want to put together a frequency synthesizer (square wave)
that can adjust between 1 and 10 MHz with 255 steps (ie. 35k Hz
per step).

The PLL's I've looked at don't have the range, synthesizers
don't have the speed (500k Hz max.)

I need the 10 MHz top end but can live with less bottom range.

Ideas???

Appreciate any constructive thoughts on this.

Thanks.

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!watmath!focsys!jack

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!watmath!focsys!jack
From: jack@focsys.UUCP (Jack Houde)
Newsgroups: sci.electronics
Subject: frequency synthesizer
Message-ID: <535@focsys.UUCP>
Date: 20 Aug 89 17:39:10 GMT
Reply-To: jack@focsys.UUCP (Jack Houde)
Organization: Focus Automation Systems, Waterloo, Ontario.
Lines: 18