Substrate bias generation circuit
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United States of America Patent
Stats
-
Jun 14, 1983
Grant Date -
N/A
app pub date -
Dec 3, 1980
filing date -
Dec 27, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a substrate bias generator circuit which comprises an oscillator circuit, a driving circuit producing a rectangular-wave signal in accordance with an oscillation output signal from the oscillator circuit, and a charge pump circuit pumping electric charges into a substrate in accordance with the rectangular-wave output signal from the driving circuit. The oscillator circuit is a voltage-controlled oscillator circuit whose oscillation frequency is controlled in accordance with a substrate bias voltage from the charge pump circuit.
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