The exact magnitude of the step has not been identified (we don't have the equipment available), but the TCXO is spec'ed for 2ppm and I'm sure it operates within spec so it's probably a sub-ppm shift.All measurements took place in a lab-environment; ...
Don't think so: we tried external (clean) supply for TCXO and clockbuffer for 32MHz to avoid problems with clock loading, but none of these changed the behavior.
No, we logged the clocksignal using a spectrum analyser (zero span, 30Hz res. BW) and see discrete steps; one of these 'steps' within an active transmission leads to CRC errors on the receiving side.We're quite sure aboute cause & effect; would be go...
Well, this looks like a normal TCXO (3225 package); the thermal compensation is integrated , but apparently this compensation circuit can be analog or digital. Analog is hard to find these days because of shortage in raw material (AKM), digital is pr...