[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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