Crystal oscillator circuit

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United States of America Patent

PATENT NO 11527994
SERIAL NO

17535943

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Abstract

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An oscillator circuit includes an amplifying unit and a first feedback resistor. The amplifying unit includes an inverter at an input stage being connected to the one end of a crystal resonator, an inverter at an output stage being connected to the other end of the crystal resonator, and a linear amplifier. The linear amplifier is connected between an output terminal of the inverter at the input stage and an input terminal of the inverter at the output stage. The linear amplifier includes at least one inverter and a second feedback resistor. The second feedback resistor is connected in parallel to the at least one inverter. The linear amplifier has a conductance with a magnitude larger than a conductance of the inverter at the input stage and equal to or less than a conductance of the inverter at the output stage.

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Patent Owner(s)

Patent OwnerAddress
LAPIS TECHNOLOGY CO LTD2-4-8 SHINYOKOHAMA KOUHOKU-KU YOKOHAMA 222-8575

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oomori, Tetsuo Yokohama, JP 10 5

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