Driscoll wrote a lot about oscillators over the years.
I couldn't find anything specific to discontinuous operation.
Do you have a titel of a paper related to this?
What Driscoll was talking about was self limiting in a
transistor. That is discontinuous operation, although
Driscoll doesn't call it that. His earliest papers on
this circuit go back to around 1972, and are in either
UFFC proceedings and/or FCS. Many later papers cite
these.
The 2 transistor "Driscoll oscillator" fixes this problem
by using an additional stage that limits instead of the
oscillator transistor.
Is the Burgoon patent you are refering to US4283691
"Crystal oscillator having low noise signal extraction circuit" ?
Yes.
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