[time-nuts] Re: E1938A phase noise improvement

Stewart Cobb stewart.cobb at gmail.com
Mon Dec 27 17:22:33 UTC 2021


> I think what I said here is self explanatory.
> The loop amplifier or its resistors have noise that corrupts the AFC loop.
Or else the loop bandwidth or damping factor is not optimum.
> I would say many readers of time nuts would be capable of optimizing the
AFC.  The fix should be able to be kludged on the existing PC board.

Rick,

Thanks for this. I'm not enough of an analog guru to come up with a fix,
but if someone else does, I'm probably a good enough tech to apply it.

Cheers!
--Stu




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