Bipolar multiplexer having a select buffer circuit with a charging and discharging circuit
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United States of America Patent
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-
Oct 11, 1988
Grant Date -
N/A
app pub date -
Jul 17, 1987
filing date -
Jul 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A select buffer circuit includes a first inverter circuit, a second inverter circuit connected to the first, and a circuit for charging and discharging the base of an inverter transistor in the second inverter circuit from a node in the first inverter circuit. The charging and discharging circuit includes a Schottky diode connected to the inverter transistor, a Schottky transistor connected in series with the diode, and a resistor for coupling the base of the Schottky transistor to the node in the first inverter circuit. A bipolar multiplexer including the select buffer circuit offers the advantage of an improved output waveform.
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