Circuit for suppressing the noise produced by switching between

Details Circuit for suppressing the noise produced by switching between Circuit for suppressing the noise produced by switching between

1991-12-11

1993-08-31

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307542, 307543, 307521, 328167, H03K 500, H03K 507, H03K 1704

Patent

active

052412261

ABSTRACT:
A circuit for suppressing the noise produced by the switching of two voltage sources having a direct current offset and connected alternately to the input of an amplification stage. The circuit comprises a low-pass filter between the two voltage sources and the amplification stage, which filter is normally disabled during normal operation of the amplification stage, and is only enabled during switching of the two voltage sources, so as to enable a gradual change in the direct voltage supplied to the input of the amplification stage and due to the offset between the two sources.

REFERENCES:
patent: 4386378 (1983-05-01), Guisinger
patent: 4405901 (1983-09-01), Taguchi
patent: 4536666 (1985-08-01), Metz et al.
patent: 4578646 (1986-03-01), Maio et al.
patent: 4604584 (1986-08-01), Kelley
patent: 4739189 (1988-04-01), Kellogg

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