[time-nuts] Recently acquired 53132A

Bob kb8tq kb8tq at n1k.org
Mon Dec 18 20:00:18 UTC 2017


Hi

If it is in working condition and stays in working condition, anything under $300 is 
a very good deal. 

Bob

> On Dec 18, 2017, at 2:54 PM, Pete Lancashire <pete at petelancashire.com> wrote:
> 
> Tom,
> 
> I should have re-read the model number, no wonder I could not find anything.
> Hopefully still a good $100 investment.
> 
> 
> 
> On Mon, Dec 18, 2017 at 11:43 AM, Bob kb8tq <kb8tq at n1k.org> wrote:
> 
>> Hi
>> 
>> The 53132 is the older version of the 53230 counter. It’s been out of
>> production
>> and past "end of life" support for quite a while now. It’s main issue
>> measurement
>> wise is a group of issues that make it less sensitive (lower resolution)
>> than one
>> might think right at 10 MHz and to a lesser extent at 10 MHz / N or 10 MHz
>> * N.
>> There is no known “fix” other than running it with a reference that is
>> detuned a bit
>> from 10 MHz. That obviously has some issues all by its self. I suppose a
>> fix could
>> be to not measure 10 MHz ….
>> 
>> The biggest failure point in the counters that I have seen has been the
>> power supplies.
>> They apparently came as a completed module from an HP supplier. One
>> wonders who
>> that might have been …. I would strongly recommend taking a look at yours
>> to be sure
>> the water did not damage the board. I would also make sure the fan is
>> clean and
>> operates correctly. Clogged fans lead to dead power supply boards ….
>> 
>> All that said, it’s a pretty good counter. I’m not sure it is worth a
>> crazy price, but there is
>> a price I would gladly pay for one. They all will eventually die as the
>> las of the VFD displays
>> wear out. At that point, hopefully we all will be running them via serial
>> or GPIB and
>> not even notice the issue.
>> 
>> Lots of Fun
>> 
>> Bob
>> 
>>> On Dec 18, 2017, at 2:23 PM, Pete Lancashire <pete at petelancashire.com>
>> wrote:
>>> 
>>> Friday I acquired a 53132A
>>> 
>>> https://photos.app.goo.gl/xexnJcEmT8tEWXi73
>>> 
>>> It does not have any options.
>>> 
>>> It is from a place that sells "selected" E-waste. I was in a water
>> damaged
>>> box, and was from a DHL freight insurance sale. It's been in the box
>> until
>>> a couple weeks ago.
>>> 
>>> Anyway, until now I've not followed the conversation on the issues with
>>> using the External Reference, which I would like to do. But don't see if
>>> there
>>> were any conclusions or anything that could be done other then the issues
>>> where fixed in the "B" version.
>>> 
>>> Is there a problem and a 'fix' that I missed searching the archives ?
>>> 
>>> -pete
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