[time-nuts] schematics for a HP117a please
danrae at verizon.net
Sat May 1 01:40:29 UTC 2010
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
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
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