[time-nuts] minimalist sine to square
dk4xp at arcor.de
Fri Jan 19 17:37:21 EST 2018
Am 19.01.2018 um 20:31 schrieb Tom Van Baak:
> John's TADD-2-mini  uses the Wenzel sine-to-square converter. It performs very well but requires +10 V.
> I'm looking for a solution that works at 5 V (e.g., USB powered) and also uses fewer parts. Wenzel also mentions using a differential line receiver . That would be an ideal single-chip 5 V solution for me but the two parts he mentions, MC1489  and SN55182 , don't appear fast enough for a 10 MHz input.
> Can any of you circuit experts suggest some line receivers that would work? Maybe DS9637 ? This isn't for cesium work so it doesn't have to be quite as good as the TADD-2.
< http://cds.linear.com/docs/en/datasheet/6957fb.pdf >
< http://cds.linear.com/docs/en/design-note/dn514f.pdf >
I have used it, found no problems. It is somewhat small :-)
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