[time-nuts] HP 5342A (18 GHz) vs 5352B (40 GHz) frequency counters

Hui Zhang ba6it at 163.com
Fri Nov 21 21:13:47 EST 2014

The manual stated HP5342A have a option 001, it's a HP10544 OCXO with PC card connector(A24), but when I opened my HP5342A, there is very limited space,  I doubt it's whether can contain a big 10544 OCXO in there. So I always use a external 10MHz to feed my counter.

Hui Zhang

At 2014-11-22 05:51:16, "Dr. David Kirkby (Kirkby Microwave Ltd)" <drkirkby at kirkbymicrowave.co.uk> wrote:
>I am looking for a microwave frequency counter and won an auction for an 18
>GHz 5342A with the GPIB option today @ £200 (GBP). I have just paid for
>I also have the chance to get a 5352B 40 GHz counter for £500. That has
>GPIB as standard.
>In the short/medium term I don't see much use for a 40 GHz counter, but I
>am giving consideration to buying the 40 GHz and selling the 18 GHz one.
>I would be interested to know if anyone has any opinions on the relative
>merrits of the two counters.
>Neither of these counters have ovens,  but stability is not a major issue
>given they take a 10 MHz input. That said, foes anyone know if these take
>fairly common 10811A ovens? There is a chance I would use it in places
>where it would not practical to feed in 10 MHz.
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