[time-nuts] HP-5370B part needed

Mark Sims holrum at hotmail.com
Sat Sep 26 22:29:38 UTC 2009

I got in a HP5370B counter that was oh so very dead.  I think this was a parts unit where all the dead boards went after they died horrible deaths...  Well,  I have it working now except one channel (the right one) on the input card is blown.  The problem is the 5088-7062 amplifier chip (this unit uses the same input board as the HP-5345A counter input board).  Does any body out there have either:
1) A spare 5088-7062 chip.
2) A spare 5088-7061 chip (the one used on the left channel...  can be made to work)
3) A spare 5370B input card
4) A spare 5345A input card
5) A spare kilo or two of unobtanium (or its alloys... gold or diamonds can be made to work)


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