[time-nuts] Suspected Spam: External clock for Analog to Digital Converter in GPSRx front-end Rx front-end

Hal Murray hmurray at megapathdsl.net
Fri Mar 2 09:17:09 UTC 2007


> How about using one of the "spread-spectrum" microprocessor clock
> generator IC's? These add a pseudo-random jitter to the clock signal
> so the interference from the equipment is slightly spread causing the
> equipment to pass EMC testing by causing an apparent reduction in the
> peak due to the bandwidth of the test receiver. 

I thought it was FM by a sawtooth, or something simple like that.

I could easily have a fuzzy memory and/or there could be several techniques 
in use.

-- 
These are my opinions, not necessarily my employer's.  I hate spam.







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