[time-nuts] 53132A triggering

John Ackermann N8UR jra at febo.com
Fri Sep 16 15:21:50 EDT 2016


Thanks, Bob.  I just tried that and got solid results.  One nice thing about the 5370 vs this newer stuff is that the knobs and switches stay in the same place through power cycles!

> On Sep 16, 2016, at 1:21 PM, Bob Camp <kb8tq at n1k.org> wrote:
> 
> Hi
> 
> Set it to:
> 
> 1) DC coupled (AC does not go low enough)
> 2) 50 ohms if your driving source will tolerate it, otherwise 1 meg ohm.
> 3) Manual trigger mode (Auto is to fast and it forgets where the trigger should be)
> 4) Trigger level around 1/2 the PPS P-P voltage
> 
> Once set up that way, the triggering should be pretty solid. There is still the wonderful stuff about pulses that 
> arrive on top of each other ….
> 
> Bob
> 
>> On Sep 16, 2016, at 1:10 PM, John Ackermann N8UR <jra at febo.com> wrote:
>> 
>> I'm fairly new to driving the 53132 and it seems to be quite a pain to set up reliable triggering for TTL-level pulses (e.g., PPS).  Simply leaving it to auto-trigger sure doesn't do the trick.  Any suggestions on optimum trigger settings for this use?
>> 
>> Thanks!
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