[time-nuts] Thermal Compensation: Digital vs Analog

Bob Stewart bob at evoria.net
Wed Feb 26 11:09:44 EST 2014


I've been experimenting with digital thermal compensation on my GPSDO.  The results have been favorable for a 14 bit dithered PWM-based DAC, but leaves a bit to be desired in the big picture.  And it takes up a lot of program bytes on my PIC..  What's the general consensus on this?  Should thermal compensation be completely analog?

Bob - AE6RV



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