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Frequency Division
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February 20th 04, 01:45 PM
budgie
Posts: n/a
On Fri, 20 Feb 2004 09:56:22 GMT,
(Mike W) wrote:
On Fri, 20 Feb 2004 03:08:14 GMT, "Jim Pennell"
wrote:
I'd be tempted to use a PAL chip. It is possible to make a multiply by 4
and then divide by 10 in the same chip, which would make the total parts
required to get the 4 MHz 50% Sq Wave your original 10 MHz input and a
single chip.
Mice one Jim.
1. buy your PAL programmer
2. buy your PAL
3. learn how to obtain the required function
4. burn the PAL and discover it does'nt work
5. while patience lasts go to 2. wend
6. revert to PLL
I could do the same analysis for a PLL - it isn't a two minute job.
Do you have a problem with an XOR chip and a 74(xx)90?
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