PLL clock multiplier

jbv jbv.silences at wanadoo.fr
Tue Jun 29 23:46:13 CEST 1999


Hi guys,

I just found that there are some chips on the market that allow easy
clock multiplying.

I had already noticed that some DSPs use that technique, especially to
avoid electro-magnetic
interferences for clock freq above 150 MHz.

Besides, these things are surprisingly cheap (less than 1 USD) !

For instance, in a project I'm working on, I need a 96 MHz clock source.
I searched several
components catalogs but didn't find that value. It looks like with those
chips, I can simply
use a standard 12 MHz Xtal and apply a x8 multiplier factor...

Has anybody tried this ?

More info at www.microclock.com (look for ICS501°.

jbv




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