[time-nuts] Can I get 1 millisecond accuracy with a USB GPS-18

Chris Albertson albertson.chris at gmail.com
Tue May 14 03:13:41 UTC 2013


On Mon, May 13, 2013 at 7:52 PM,  <lists at lazygranch.com> wrote:
> Note that MAX232 type chips add jitter. The charge pumps make substrate noise and that leaks into the receivers/transmitters.

How much noise or jitter?  Has anyone measured the effect?  Is it at
the nano or micro second level?   It would be easy enough to use a
transistor if it improved the timing enough to matter.

--

Chris Albertson
Redondo Beach, California



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