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Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same
Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same
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机译:振荡电路,使用该振荡电路的电子电路以及使用该振荡电路的半导体装置,电子设备以及钟表
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摘要
This invention relates to a crystal oscillation circuit that oscillates stably with a low power consumption. This crystal oscillation circuit comprises an inverting amplifier, a crystal oscillator, and a feedback circuit that inverts the phase of an output from this inverting amplifier and feeds it back as an input. The sum of the absolute value of the threshold voltage of a first semiconductor switching element and the absolute value of the threshold voltage of a second semiconductor switching element is set to be greater than or equal to the absolute value of the potential difference between first and second potentials, when said inverting amplifier includes the first and second semiconductor switching elements.
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