Phase-selective amplifier
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United States of America Patent
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-
Apr 21, 1981
Grant Date -
N/A
app pub date -
Jun 22, 1979
filing date -
Jul 27, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A phase-selective amplifier includes a first mixer with amplification switches to switch the amplification of the first mixer to n/2 conditions having approximately a sinusoidal relation. A second mixer receives the output of the first mixer, and an amplification switch is provided to switch the amplification of the mixer between a positive and a negative value. A voltage-controlled oscillator is provided with a phase control circuit, and logic elements are provided to connect the amplification switches to the phase control circuit.
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