Computational circuit

Details Computational circuit Computational circuit

1995-06-06

1996-10-15

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

327358, 327355, 364606, G06F 744, G06G 716

Patent

active

055658091

ABSTRACT:
A computational circuit that includes a pair of operational amplifiers, wherein one of the amplifiers receives an analog input voltage. Switching circuits are provided to selectively connect the outputs of the operational amplifiers to a common node and to respective inputs thereof via feedback lines. Capacitors are provided at the common node. A digital signal actuates the switching circuits so that one switching circuit is opened when the other is closed.

REFERENCES:
patent: 5396446 (1995-03-01), Shou et al.
patent: 5408142 (1995-04-01), Takatori et al.
patent: 5408422 (1995-04-01), Takatori et al.
patent: 5440605 (1995-08-01), Shou et al.
Massara Robert E., "Synthesis of Low-Pass Forms", Active Filters, The Electrical Engineering Handbook, 1993, pp. 674-691.

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