[time-nuts] HP-8640B

[J. Forster]

Try www.ArtekMedia.com

Dave has IMO the best info on HP (and other) stuff available.

Best,

-John

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> 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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