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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