[time-nuts] Re: What phase variations to expect in a DMTD due to temperature fluctuations?

[Erik Kaashoek]

Luckily the results with the semi rigid coax cables is a bit better then 
that.
Also mechanical stability improved a lot.
http://athome.kaashoek.com/time-nuts/DMTD/stability.PNG

The big excursions where caused by opening the door to the room.
The second fairly stable half was measured with a closed door and no 
people present.
The input signals where 0.01 Hz apart. The leakage between the two 
inputs probably caused 1 ps phase oscillations every 100 seconds.
Erik.

On 24-10-2022 16:25, Lux, Jim via time-nuts wrote:
> for what it's worth, we've just measured a bunch of GNSS band pass 
> filter/LNA combinations and they run about 30-40 picoseconds/C delay 
> tempco