[time-nuts] HP Z3801A on eBay -- And check this out as well

Richard W. Solomon w1ksz at earthlink.net
Sat Jan 20 18:03:19 EST 2007


I do not see an SMC connector on the auction item. Since it is an option on
that model, it may not be there.

Dick, W1KSZ

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
Behalf Of Magnus Danielson
Sent: Saturday, January 20, 2007 5:55 PM
To: time-nuts at febo.com; bruce.griffiths at xtra.co.nz
Subject: Re: [time-nuts] HP Z3801A on eBay -- And check this out as well


From: Dr Bruce Griffiths <bruce.griffiths at xtra.co.nz>
Subject: Re: [time-nuts] HP Z3801A on eBay -- And check this out as well
Date: Sun, 21 Jan 2007 11:17:14 +1300
Message-ID: <45B294EA.7060802 at xtra.co.nz>

Dick and Bruce,

> Richard W. Solomon wrote:
> >> If you have more than one GPS engine connected, how does it disable
> >> the +5 vdc on the other receivers ? Or do you need to disable the
> >> Preamp DC feed ?
> >>
> >> Thanks, Dick, W1KSZ
> >>
> >> ---
> Dick
>
> 58517A accepts dc power from port 1 only or from the dc input connector.
> See Symmetricom data sheet
>
> http://ngn.symmetricom.com/pdf/datasheets/ds-gps-active-splitters.pdf

Well, I failed to have my Z3801A drive my 58517A over port 1. Appling 5V on
the
SMC connector on the 58517A solved the problem. The same Z3801A was feeding
the
active antenna with no problem just a few minutes before, so it is not an
issue
on the Z3801A.

So, I recommend you to feed it on the SMC. That works very well for my
GPSes.

Cheers,
Magnus

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