[time-nuts] Better than Quartz?
murray at rakon.co.nz
Sun Apr 27 14:43:52 EDT 2008
That's is essentially the point - it is the Q of the resonator (assuming
environmental effects are controlled) which ultimately determines the
stability. Very high performance oscillators (the HP E1938A is an
example) use a bridge circuit to enhance the loaded Q of the crystal.
Other designs (the QAS and BVA) use a complex structure of crystal which
places the electrodes outside the oscillating structure in order to
enhance the loaded Q.
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