High speed multiplying digital to analog converter

Details High speed multiplying digital to analog converter High speed multiplying digital to analog converter

1983-12-14

1986-01-07

Shoop, Jr., William M.

Communications: electrical

Audible indication

Percussion-type sound producer

G08C 900

Patent

active

045636702

ABSTRACT:
A high speed four quadrant multiplier is current controlled and uses a high speed differential output current digital to analog converter. Independent adjustment of the multiplying factor without changing the DC offset is accomplished. Also a true zero input signal will cause a true zero output signal and the operation of the multiplier is extremely fast. The analog throughput of the multiplier is independent of the speed of the digital to analog converter.

REFERENCES:
patent: 3689752 (1972-09-01), Gilbert
patent: 4017720 (1977-04-01), Mattern
patent: 4092639 (1978-05-01), Schoeff
patent: 4126852 (1978-11-01), Baertsch
patent: 4309693 (1982-01-01), Craven

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