[time-nuts] Buffering the 1pps output from a Z3801A

[John Franke]

See;  http://www.realhamradio.com/sidecar.htm

John WA4WDL

----- Original Message ----- 
From: "Peter Vince" <pvince at theiet.org>
To: <time-nuts at febo.com>
Sent: Wednesday, March 26, 2008 9:29 AM
Subject: [time-nuts] Buffering the 1pps output from a Z3801A


> Bruce, et al,
>
> The 1pps output of an HP Z3801A and Trimble Thunderbolt is
> only available (as far as I know) as a balanced ECL signal on the
> 25-pin connector, with dire warnings in the manuals about not
> earthing either side of the ECL signals.  Would you be able to advise
> on a simple buffer circuit that would allow me to drive the usual
> unbalanced 50-ohm coax please?
>
> Thanks,
>
> Peter Vince  (London, England)
>
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