[time-nuts] schematics for a HP117a please

GandalfG8 at aol.com GandalfG8 at aol.com
Sat May 1 10:09:15 UTC 2010

In a message dated 01/05/2010 02:41:02 GMT Daylight Time,  
danrae at verizon.net writes:

paul  swed wrote:
> Just picked up 2 units at a flea market today.
>  Would like to fire them up without smoke. :-)
> Would appreciate  schematics if the are out there.
> My search so far is 0
>  Thanks

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........
Although not the best pdf manual ever it does contain the schematics,  
including both antennas, and should be usable.


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