[time-nuts] Re: Ref out on Keysight 53230A

[Bob Camp]

Hi

Yup, that’s the sort of thing it does to the Ref Out. 

As long as you don’t use the Ref Out, it’s a very nice counter. 

Bob

> On Jan 24, 2023, at 8:32 AM, Jürgen Appel via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> On Friday, 20 January 2023 01:54:25 CET Bob Camp via time-nuts wrote:
> 
>> If you put the input and output into a Phase Station, you can see glitches
> 
> Never used the external output for something important before, but as the 
> devices were standing on the table, I wanted a record for the future:
> 
> Setup: 10 MHz Reference to both "Ext Ref In" and Phase station, "Int Ref Out" 
> to DUT input of Phase station: Phase drifts rather slowly. As soon as I 
> connect some ~100MHz input to the 53230A, the "Int Ref Out" shows periodic 
> phase jumps. Turning the knob to increase the Gating time 0.1s->1s temporarily 
> disturbs the phase even more; the Glitch period seems unchanged though.
> 
> Still like this counter though...
> 
> Cheers,
> 	Jürgen
> 
> 
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