Amplifier for cancelling noise between circuit systems

Details Amplifier for cancelling noise between circuit systems Amplifier for cancelling noise between circuit systems

1997-04-29

1998-11-24

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327362, 327317, 327319, H03L 500

Patent

active

058413081

ABSTRACT:
A reference potential difference canceling circuit is provided in a circuit system of a transmitter side to remove noise caused by impedance Z between circuit systems having different reference potentials from a signal, and to transmit the signal. The reference potential of the circuit system of a receiver side is supplied to an input terminal of the reference potential difference canceling circuit, and its output terminal is connected to an input terminal of an output amplifier to which a transmitting signal is input. A gain of the reference potential difference canceling circuit is set to a reciprocal number of a gain of the output amplifier.

REFERENCES:
patent: 5606273 (1997-02-01), Gottshall et al.
patent: 5648738 (1997-07-01), Welland et al.
patent: 5661423 (1997-08-01), Mizuhara

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