Low power crystal oscillator
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United States of America Patent
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Oct 27, 2020
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N/A
app pub date -
Jun 28, 2019
filing date -
Jun 28, 2019
priority date (Note) -
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Abstract
A low power crystal oscillator is provided. The crystal oscillator includes a gain control stage, a filter stage, and an output stage. The gain control stage includes an input coupled at a first oscillator terminal configured and arranged for connection to a first terminal of a crystal. The filter stage includes an input coupled to an output of the gain control stage. The output stage includes a first transistor having a first current electrode coupled at a second oscillator terminal configured and arranged for connection to a second terminal of the crystal and a control electrode coupled to receive a voltage signal at the first oscillator terminal and a first bias voltage.
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