Re: [time-nuts] ECS ECOC-2522 (was GPS Talking Clock)

2018-03-06 Thread Attila Kinali
Hoi Nick, On Mon, 5 Mar 2018 09:36:01 -0800 Nick Sayer via time-nuts wrote: > I’ve built two GPSDO units now with this OCXO. For the first one, I fed the > DAC (AD5680) from the oscillator’s reference output. This resulted in a very > poor (compared to expected) short term ADEV result (1-2 E-1

Re: [time-nuts] ECS ECOC-2522 (was GPS Talking Clock)

2018-03-05 Thread Nick Sayer via time-nuts
I’ve built two GPSDO units now with this OCXO. For the first one, I fed the DAC (AD5680) from the oscillator’s reference output. This resulted in a very poor (compared to expected) short term ADEV result (1-2 E-11). There was a lot of noise (something like 5 mV P-P) on the reference output. Also