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There’s a difference in phase locking and frequency locking. It’s hard to phase lock to an atomic reference for long periods of time. Usually atomic clocks offe
by spot5010 5y ago
There’s a difference in phase locking and frequency locking. It’s hard to phase lock to an atomic reference for long periods of time. Usually atomic clocks offer correction of the frequency drift of the oscillator. So the phase of the oscillator can still wander over large time scales.
- mikewarot 5y agoAtomic clocks have no phase to lock onto, they are narrowband RF detectors, built of a stream of atoms (or a cloud in the newer Cesium Cell clocks) unlike Quartz oscillators which are always vibrating.