[time-nuts] minimalist sine to square

Gerhard Hoffmann 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 [1] 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 [2]. That would be an ideal single-chip 5 V solution for me but the two parts he mentions, MC1489 [3] and SN55182 [4], 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 [5]? 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 :-)

regards, Gerhard

More information about the time-nuts mailing list