[time-nuts] A counter for phase measures

[Azelio Boriani]

Usually you don't need a BVA to test the single-shot capability of a
counter: a length (say 50nS) of good RF coaxial cable and your preferred
OCXO/Rb/GPSDO should be enough.

On Sat, Nov 3, 2012 at 11:14 PM, Magnus Danielson <
magnus at rubidium.dyndns.org> wrote:

> On 11/03/2012 09:36 PM, Bob Camp wrote:
>
>> Hi
>>
>> In the case of the 53132, the power supply seems to be the weak link. Out
>> of maybe a hundred or so in the fleet, we see maybe one or two die each
>> month. On the SR620 the power supply also seems to go from time to time.
>> Both have the normal keyboard and display issues, but those can be fixed.
>> If you go back to things like the 5335, the weak point is the input amp, it
>> blows if you get +5 on it. Like power transformers - not a replaceable
>> item...
>>
>
> Another weak point on the 5335 is the relay. We had to replace it and the
> relay-holder, but once that was done, it was back up operational.
> The 5335 ticks in as the most human-friendly of the counters at work,
> while the 53132 is competing with the 5372 as being the most
> human-unfriendly, where the 5372 has more capabilities to present, so it
> gets used more.
>
> Cheers,
> Magnus
>
>
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