[time-nuts] Trimble/Nortel NTGS50AA GPSDO not start
Tom Knox
actast at hotmail.com
Tue Jun 12 00:19:36 UTC 2012
Check the converter specs, some offer a optional on/off pin when powered. The apply clean power directly to the the converter input.
Thomas Knox
> Date: Tue, 12 Jun 2012 02:01:04 +0200
> From: eb4apl at cembreros.jazztel.es
> To: time-nuts at febo.com
> Subject: [time-nuts] Trimble/Nortel NTGS50AA GPSDO not start
>
> Hi,
>
> I received one of those boards from the usual Chinese supplier. I tried
> to power it up according to the specs but the DC/DC converter doesn't start.
> Tracing the power path, I find that after protective diodes and fuses,
> the -48 V line is interrupted by a power MOSFET and the question is: is
> it necessary to make any other connections, such as strapping the
> mounting holes to a chassis, in order to make it start? Or maybe is my
> unit faulty?
>
> TIA for your help,
> Ignacio EB4APL
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the time-nuts
mailing list