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Highly stable Colpitts piezoelectric oscillator has network with series, parallel resonant frequencies set close to oscillator's frequency and unwanted frequency to suppress unwanted oscillations
Highly stable Colpitts piezoelectric oscillator has network with series, parallel resonant frequencies set close to oscillator's frequency and unwanted frequency to suppress unwanted oscillations
The oscillator has a piezoelectric unit (Y1) and an amplifier circuit, and a combined network containing an inductance and a capacitance is introduced into an oscillation loop and connected to it. A series resonant frequency of the network is set close to the oscillator's oscillation frequency and a parallel resonant frequency of the network is set close to an unwanted oscillation frequency to suppress unwanted oscillations.
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