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

John Howell j at howell61.f9.co.uk
Thu Feb 2 16:27:03 UTC 2012


........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

John H.


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...
> 
> 73  Alberto  I2PHD
> 
> http://dl.dropbox.com/u/15089947/1pps.gif



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