[time-nuts] Best counter setting for ADEV?

[Azelio Boriani]

Wavecrest DTS for $600? Interesting...

On Tue, Oct 2, 2012 at 2:43 PM, Adrian <rfnuts at arcor.de> wrote:

> Timeok schrieb:
>
>  test using HP53123A:
>> The pink line is the noise floor using the TI mode
>> The blue line is the noise floor using the Frequency mode (gate 2 sec)
>> The other two line are the same oscillator, an HP105B tested with both
>> the modes.
>> As you can see the range between 1 and 200 sec is "totally
>> compromised" by the system noise floor using the TI method.
>> The approximation using the freq mode can be anyway usefull to make a
>> comparatinon between two source.
>> I suppose to have right measurements, without any restriction we have
>> to use the Timepod or other high level instruments than this kind of
>> counters.
>>
>> Luciano
>>
>
> Hi Luciano,
>
> interesting. So, the 53132A gains a lot more by this method than my 53131A.
> As Magnus pointed to, there might be pitfalls. So, it would be interesting
> to have comparative measurements from a non questionable test setup.
>
> In the meantime I tried a Tracor 527A which greatly improved the dynamic
> range, but appears to suffer from serious instability that might or might
> not be normal.
>
> Adrian
>
>
>
> ______________________________**_________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/**
> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
> and follow the instructions there.
>