[time-nuts] HP K34-59991A

[Rick Karlquist]

The manager who hired me at HP in 1979, Mike Fischer, invented the
circuit in that phase comparator.  You can read his patent if
you are interested in the theory of it.  (No, I don't have the
patent #).

Rick Karlquist


Had said:
>
> Well I finally managed to track down a copy of the Op/Srv manual for the
> HP
> K34-59991A Phase Comparator.
>
> You can download the pdf at   www.to-way.com   click the proper button at
> the bottom of the page. It is a fairly low resolution scan of a photo
> copied manual but still plenty usable.
>
> Had
>
>
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