[time-nuts] Programmable clock for BFO use....noise

Richard (Rick) Karlquist richard at karlquist.com
Fri Sep 14 16:26:32 EDT 2018


The AC series is really quite good on phase noise; I used it in
the 5071A at 80 MHz.

Rick N6RK

On 9/14/2018 12:55 PM, Dana Whitlow wrote:
> Frequency dividers can be pretty low noise, if you choose the right class
> of logic.  I remember that
> at one time in the distant past, LSTTL was considered king.  Unfortunately
> I've been out of touch
> with frequency dividers long enough to be ignorant of what works well today.
> 
> i'd suggest trying something with either HC-series or AC-series CMOS,



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