[time-nuts] Adding prescaler to HP 5334B

Bruce Griffiths bruce.griffiths at xtra.co.nz
Tue Apr 1 00:27:31 EDT 2008

Didier Juges wrote:
> I don't believe these are RF detectors, they look like switching diodes.
> Even though they are Shottkys, the spec says they have a 5nS reverse
> recovery time ???
> That would be too slow for a 1 GHz counter.
> I use a lot of BAV99, and while not being Shottkys, they have about the same
> reverse recovery and 15% of the capacitance.
> Didier KO4BB

HSMS282X series appears usable to 4GHz.
HMPS282X series are usable to 6GHz.
Mouser carry some of these.


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