[time-nuts] FE-5680A 1 pps photo

[David]

Odd.  Did Tektronix mark it Fluke PM3082? :)

It is nice to know that the current generation of digital cameras can
be used for this application.  It is too bad that the image has so
much noise.

On Thu, 2 Feb 2012 16:27:03 +0000, John Howell <j at howell61.f9.co.uk>
wrote:

>........and here's another photo of the pulse from one of the newer breed of FE-5680A that require the 5V.
>Taken with a Sony Cybershot H5, 8 sec exposure, 'scope is an elderly Tektronix 2252
>
>http://dl.dropbox.com/u/1690159/1PPS_1%20FE-5680E.jpg
>
>On 2 Feb 2012, at 15:50, Alberto di Bene wrote:
>
>> I managed to take a photo at the scope screen showing the 1 pps pulse
>> from an old FE-5680A (the one that does not need the 5V and does not
>> output the oscillator signal - just the 1pps).
>> 
>> Exposure was 30 sec, F9. The signal was barely visible with naked eye,
>> and some jittering is present. The room of course was in complete
>> darkness, but the reflex of the stand-by led of another instrument
>> can be seen...
>> 
>> http://dl.dropbox.com/u/15089947/1pps.gif