Bidirectional buffer amplifier
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United States of America Patent
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-
Dec 15, 1987
Issued Date -
N/A
app pub date -
Feb 11, 1987
filing date -
Sep 26, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Bidirectional amplifier employs a single buffer amplifier (64). The bidirectional amplifier is programmed by applying a control signal (Q) and its complementary signal (Q), which establishes the state of four pass transistors (P.sub.1 ', P.sub.2 ', P.sub.3 ', P.sub.4 ') or four CMOS transmission gates (T.sub.1, T.sub.2, T.sub.3, T.sub.4). For a first selection of the control signal, the bidirectional amplifier receives an input signal on a first lead (A') and produces an amplified signal on a second lead (B'). For a second selection of the control signal, the amplifier receives an input signal on the second lead (B') and produces an amplified output signal on the first lead (A').
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