Multiplication circuit capable of directly multiplying digital d

Details Multiplication circuit capable of directly multiplying digital d Multiplication circuit capable of directly multiplying digital d

1993-12-07

1995-04-18

Gordon, Paul P.

Boots, shoes, and leggings

364754, 364841, 327 94, 327356, 327552, G06J 102, G06G 716

Patent

active

054084229

ABSTRACT:
A new and unique multiplication circuit solves the problems associated with digital multiplication circuits which operate on digital operands only. The multiplication circuit according to the present invention uses negative feedback in conjunction with an operational amplifier to maintain the output voltage of the operational amplifier at a level which depends on the logic level of the digital input datum applied to the gate of a field-effect transistor in the negative feedback loop. This unique multiplication circuit is capable of directly multiplying digital data with analog data.

REFERENCES:
patent: 3639847 (1972-02-01), Remy et al.
patent: 3714462 (1973-01-01), Blackmer
patent: 4422155 (1983-12-01), Amir et al.

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