[time-nuts] Distribution amplifier for 10MHz and 1 pps
djl
djl at montana.com
Sun Mar 17 20:56:48 UTC 2019
Gosh. this topic comes up at least once every 6 months. A diligent
search of the time-nuts database would turn up amazing things. . .
On 2019-03-17 13:24, Hal Murray wrote:
>> For 1PPs the main goal is jitter and the selection of the ICs is very
>> tricky
>
> Could you please say more? Do you mean logic family selection, or chip
> selection within a family?
>
> Most modern digital chips are CMOS with an input threshold of VCC/2.
> I'd
> expect power supply noise to be important and families with faster
> switching
> times probably make more noise.
--
Dr. Don Latham AJ7LL
PO Box 404, Frenchtown, MT, 59834
VOX: 406-626-4304
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