Re: [time-nuts] Tuning a Symmetricom 1111C

2017-07-10 Thread Ed Palmer
On 2017-07-10 10:00 AM, Tom Knox wrote: Hi Ed; Thanks for the response. Great logic/detail on potential issues and solutions. The power supply issue seems completely intermittent and when running may be completely fine. That said I am leaning toward the power supply being

Re: [time-nuts] Tuning a Symmetricom 1111C

2017-07-09 Thread Tom Knox
From: time-nuts <time-nuts-boun...@febo.com> on behalf of Ed Palmer <ed_pal...@sasktel.net> Sent: Saturday, July 8, 2017 12:03 PM To: time-nuts@febo.com Subject: Re: [time-nuts] Tuning a Symmetricom C Hi Tom, I have a Datum 4065A standard with a Datum B oscil

Re: [time-nuts] Tuning a Symmetricom 1111C

2017-07-08 Thread Ed Palmer
Hi Tom, I have a Datum 4065A standard with a Datum B oscillator. I've never had to tune it, but it appears to be a clone of the HP 10811 so you might get some insights by researching that oscillator. However, if you're having issues with the +-15V supplies, I'd STRONGLY suggest that you

[time-nuts] Tuning a Symmetricom 1111C

2017-07-07 Thread Tom Knox
Hi All; Does anyone have a data sheet or experience with the Symmetricom C, I have one in a Symmetricom 4065C and the internal diagnostics say it is at the end of it's tuning range. Is there a way to do a coarse manual adjustment, or is it a possibility the Cesium is locking to a side