High-frequency input circuit for two inputs
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United States of America Patent
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-
Jan 18, 1983
Grant Date -
N/A
app pub date -
Dec 2, 1980
filing date -
Dec 10, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high-frequency input circuit for two inputs has a pair of first and second pi variable attenuation circuits each composed of three P-I-N diodes, some of which are shared by both of the circuits. The P-I-N diodes serve as attenuator elements in the attenuation circuits and also as switching elements for switching between the first and second attenuation circuits.
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