Low power oscillator with high start-up ability
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United States of America Patent
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-
Aug 20, 1991
Grant Date -
N/A
app pub date -
Oct 11, 1989
filing date -
Oct 11, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an oscillator circuit, a high gain, high power driver is placed in parallel with a standard low gain, low power driver for driving the oscillator output. A control signal is derived from the output of the oscillator circuit and fed back to control the high gain driver. After the circuit output has achieved stable oscillations for a predetermined time period, the high gain driver is turned off. Employment of the high gain driver ensures high start-up ability. The overall power consumption remains low since the high gain driver is turned off after stable oscillations have been achieved.
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