[time-nuts] 5370B practical question

2008-02-02 Thread Christophe Huygens
Hi, I am trying to start some Allen Deviation measurements on some VCXOs I have built those for 117, 106.5 and 123MHz (amateur radio use). The phase noise it not my primary concern (for now) but short term stability is (systems are locked to GPS etc). I would like to more formally

Re: [time-nuts] 5370B practical question

2008-02-02 Thread Christophe Huygens
Christophe Huygens wrote: Hi, But at 123.5MHz, about 1 in 5 measurments, there is a 1Hz jump... the instrument showing 122.98005 in stead of 999005. I never notice 100, 500 mHz jumps, only +/-20 and (+/-20 - 1000). 998995 in stead of 95 I don t know much about the internals... is