[time-nuts] schematics for a HP117a please

paul swed paulswedb at gmail.com
Sat May 1 15:31:08 UTC 2010


Thank you for the replies and help.
Regards

On Sat, May 1, 2010 at 6:20 AM, <GandalfG8 at aol.com> wrote:

>
> PS
>
> The antenna schematics and photos are on TVB's site as Dan  suggested....
>
> _http://www.leapsecond.com/museum/10509a/_
> (http://www.leapsecond.com/museum/10509a/)
>
> These are much better quality than those in the HP manual so well worth
> getting both.
>
> regards
>
> Nigel
> GM8PZR
>
> In a message dated 01/05/2010 11:11:25 GMT Daylight Time,
> GandalfG8 at aol.com
>  writes:
>
> Paul, to  get these to work, you will need  the loop antenna.  This has,
> in the early versions at least, a  Nuvistor amplifier in it with a
> crystal filter built in to it.  I  think there was a later  version that
> had transistors.  I have seen  the schematic  somewhere, have you tried
> TvB's site?
>
> Hi Dan and Paul
>
> The  ops and service manual is available from the Agilent  site........
>
> _http://cp.literature.agilent.com/litweb/pdf/00117-9029.pdf_
> (http://cp.literature.agilent.com/litweb/pdf/00117-9029.pdf)
>
> Although not the best pdf manual ever it does contain the  schematics,
> including both antennas, and should be  usable.
>
>
>
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