[time-nuts] minimalist sine to square

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Jan 19 15:54:18 EST 2018

In message <898171c2-0e9a-6a2a-dcfc-b7d893f8942f at earthlink.net>, jimlux writes:

>What about the plethora of LVDS receivers - they're basically a 
>differential input thresholder, with deliberate hysteresis, looking for 
>a 300 mV shift across a 100 ohm resistor.

I played with that, I used a small transformer to balance the signal
and then into LVDS receiver through a voltage divider.  Worked well,
but I didn't measure the jitter, it was just for a micro-controller.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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