[time-nuts] Need for a document comparing time interval counters

[Bob Camp]

Hi

With both counters running on the same external standard (and no internal OCXO), the 53230
beats the 53132 both on frequency and time. It also has slightly better isolation of the 10 MHz
internals so the “dead zone” at 10 MHz is not quite as bad. I have no idea how either one 
works with the OCXO option … I’ve never seen either one with an OCXO. 

Bob

> On Nov 21, 2016, at 8:22 AM, Richard (Rick) Karlquist <richard at karlquist.com> wrote:
> 
> I had a 53230 the last few years I worked for Agilent.
> The oven oscillator in it is inferior to a 10811.
> Its only claim to fame IMHO is that it can measure
> Allan Deviation.  Turns out that we really needed
> Hadamard, but it doesn't do that.  It is very expensive.
> The old Santa Clara Division with the counter expertise
> has now been gone nearly 20 years.  The counter line
> has been offshored.  The expertise over there is
> a complete unknown.
> 
> Rick
> 
> On 11/19/2016 5:55 PM, Dr. David Kirkby wrote:
>> If anyone has the time & inclination, a document comparing different time interval counters would be useful to budding time nuts. There are quite a few different models at prices that are affordable to many.
>> 
>> I have had a HP 5370B and a Stanford Research  SR620, but have neither now. I regretted selling the HP, but then after buying the SR620, I swapped that and a 4.2 GHz HP signal generator for an HP 4291B 1.8 GHz impedance and material analyzer.
>> 
>> I was looking for something cheap,  but see a used Keysight 53230A on eBay for considerably more than a new one from Keysight. It had a "make offer" so I could not resist pointing out a new one is much less, and making a redicously low offer of $1000. I doubt it will be accepted,  but one never knows.  I once got a current Ketsight product for 2% of the current price,  so anything is possible.
>> 
>> But a  comparison of TI counters,  and a discussion of the important specifications would be njce.
>> 
>> 
>> .Dave.
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