[time-nuts] HP-8640B
engineering at mt.net
engineering at mt.net
Thu Apr 25 21:51:45 UTC 2013
If you also Google "8640B manual" several sites will pop up offering
free pdf manuals for this unit.
Greg
"Alf Pousar" <alf.pousar at surffi.net> wrote:
Hello Folks!
I turn to you in hope someone can help me.
The old but good signal generator 8640B is by Agilent declared
obsolete and no support available.
The frequency counter in the last production versions, has a
Pre-Scaler P/N 08640-60306 quite different from the "old" one
08640-60168.
The old version have 5 IC's, the new has 6 IC's, 2x 1820-0982, 1x
1820-0736 and the scaler 1820-1003, all four are EECL.
Two remainig are ECL 1820-0145 and 1820-0817.
I need a schematic diagram for this board. Any help on this matter is
much appreciated.
Thank you,
Alf Pousar
OH2QM
alf.pousar at surffi.net
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