Analog signal selection and summing circuit having multiplexing

Details Analog signal selection and summing circuit having multiplexing Analog signal selection and summing circuit having multiplexing

1993-11-30

1995-11-21

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

327355, 327407, 327105, G06F 742

Patent

active

054691010

ABSTRACT:
An analog signal selection and summing circuit including a summing amplifier having a current summing input, a plurality of voltage controlled current sources responsive to a plurality of input voltages, a plurality of switching circuits respectively associated with the current sources for controllably switching the outputs of the current sources to the summing input, a plurality of control circuits for respectively controlling the switching circuits.

REFERENCES:
patent: 3725675 (1973-04-01), Olsen
patent: 5245299 (1993-09-01), Colvin
Sedra et al., Microelectronic Circuits, 1991, p. 62.

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