Two-terminal-pair network simulating an inductance
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United States of America Patent
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-
Jul 26, 1983
Grant Date -
N/A
app pub date -
Jun 8, 1981
filing date -
Jun 12, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A two-terminal-pair circuit which simulates an inductance includes input and output terminal pairs and a first ohmic resistor. The voltage-carrying terminal of the input terminal pair is connected to one terminal of the first ohmic resistor. The circuit includes a bridge circuit having bridge branches and two opposite bridge diagonal terminals, two capacitors each connecting a respective one of the two bridge diagonal terminals to a respective one of the terminals of the first ohmic resistor, and a difference amplifier having two inputs each connected to a respective one of the two bridge diagonal terminals. The output of the difference amplifier is connected to the base of a transistor whose collector-emitter path is connected in one of the bridge branches in series with an effective resistor or with a parallel circuit comprising a capacitive reactance and an effective resistor. The emitter of the transistor is connected to the other terminal of the first resistor, and the collector of the transistor forms the voltage-carrying terminal of the output terminal pair.
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