Signal processing device
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United States of America Patent
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Nov 30, 1993
Grant Date -
N/A
app pub date -
Oct 21, 1991
filing date -
Nov 2, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A signal processing device is arranged to form a first output modulated signal by modulating an input information signal in accordance with a modulation carrier signal, to form a second output modulated signal by modulating the first output modulated signal in accordance with a modulation carrier signal which is identical to the above-stated modulation carrier signal, and to correct the input information signal by using the second output modulated signal. The modulation circuit of the device is thus arranged to have a minimal amount of leakage of the modulation carrier signal for the information signal, so that the device can be easily arranged as an integrated circuit.
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