[time-nuts] Ultra High Stability Time Base Options for 53132A

Bob Camp kb8tq at n1k.org
Sat Apr 11 18:03:53 EDT 2015


Hi

All of the MV-89’s that I have seen are very much a crap shoot in terms of 
what you get. Out of a dozen or so I’ve bought from various sources, none has
met the original specs on the unit. There have been a wide range of issues. Doing
a full test on one involves a lot of work. The problems with some of them are major
the problems with others are fairly hard to spot. 

I do not believe that’s a reflection on the original design of the part. I’d bet that nearly 
100% of them meet spec when new. I think it’s purely due to the amount of violence done to 
them when they are pulled from boards during the savage process. 

Bob

> On Apr 11, 2015, at 8:01 AM, J. L. Trantham <jltran at att.net> wrote:
> 
> Has anyone done any testing/comparison of the three aftermarket UHS Time
> Base Options for the 53132A that are on theBay?
> 
> 
> 
> One is from Poland:  111643536543
> 
> 
> 
> Two are from China:  181698758773 and 331420737911
> 
> 
> 
> All use the Morion MV89A and all appear to be 'plug and play' with the
> automated time base calibration process of the 53132A.
> 
> 
> 
> I recently added the 3 GHz Prescaler from the seller in Poland
> (111631156891) and was very satisfied.  No connection other than a satisfied
> customer.
> 
> 
> 
> I also recently added the HP Opt 010, one of the 10811 based time bases, and
> was very satisfied as well.  Just wondering if there is something better.
> 
> 
> 
> Thanks in advance for any thoughts.
> 
> 
> 
> Joe
> 
> 
> 
> 
> 
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