[time-nuts] 3.0GHz Channel 3 installation in Agilent 53132A counter

[GandalfG8 at aol.com]

Further checking the service manual indicates that the main board  treats 
pins 9 and 10 of the ribbon cable as CH3code1 and CH3 code2 respectively  so 
perhaps it's using these as identifiers and it might be worth checking that  
those signals are as expected. The prescaler board schematic shows 9 as 
being  connected to +12V and 10 to ground.
If you don't have access to the component level service manual let me know  
and I'll send you a copy.
 
Regards
 
Nigel
GM8PZR
 
 
 
 
In a message dated 18/03/2014 18:20:09 GMT Standard Time,  
jsrobbins at earthlink.net writes:

I hope  this is not too OT.



I have acquired a 3.0GHz original Channel 3  board for my Agilent 53132A
counter.  When installed, it reads four  times (4x) the actual frequency.
I'm wondering if anyone has any experience  with such an installation and 
can
point me to some setup item or zero ohm  resistor I'm supposed to install.
All that the manual says is to have it  done by the factory.  That will cost
me more than the board  itself.  Many thanks.



Jim  Robbins

N1JR

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