Oscillation circuit, electronic apparatus, and timepiece using a potential stabilization circuit with resistive terminations
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United States of America Patent
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Aug 23, 2005
Grant Date -
Apr 22, 2004
app pub date -
Jul 9, 2003
filing date -
Jul 10, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This oscillation circuit includes a crystal oscillator and a main circuit portion connected by a signal path to the crystal oscillator and driven by the crystal oscillator. The main circuit portion is provided with a DC-cutting capacitor that galvanically separates the signal path between the input side of an inverter that is connected by the signal path to the crystal oscillator and an input terminal Xin of the signal path. A potential stabilization circuit is also provided, connecting the input terminal Xin of the signal path to the output side of the inverter through a resistance element.
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