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Old November 18th 03, 05:27 AM
R J Carpenter
 
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"J M Noeding" wrote in message
...

for my quite unstable counters I've got some 0.1ppm 9.6MHz VCXO's
(guaranteed over temperature range -20...+20°C), the problem is that
the original XO is 1MHz with 7490 divider, and now I need a divide by
96 downcounter. The VCXO drives a 74LS14, so it shouldn't be any fan
out problem, but I am not aware what is the readily available divider
to choose. The counter is mentioned on
http://home.online.no/~la8ak/m21.htm , but it is Norwegian text


The 74HC4059 (or 74HCT4059) should do the trick. It may be a bit hard to
find, but will divide by any number from 3 to 16384. It is logically the
same as the RCA CD4059, but I don't think the old RCA part will work at your
frequency. I can't find my data book right now.

73 de bob w3otc


 
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