Method of and apparatus for phase-sensitive detection

Details Method of and apparatus for phase-sensitive detection Method of and apparatus for phase-sensitive detection

1978-03-24

1980-01-01

Krass, Errol A.

Boots, shoes, and leggings

324119, 340347NT, H03K 1317

Patent

active

041819497

ABSTRACT:
This disclosure is concerned with novel approximations to sine-wave sampling by successive measurements and digital conversion in phase-sensitive detection circuits, simplifying switching requirements and providing harmonic immunity.

REFERENCES:
patent: 3445763 (1969-05-01), Harris, Jr.
patent: 3875503 (1975-04-01), Hayashi
patent: 3876933 (1975-04-01), Herrington
patent: 3879724 (1975-04-01), McDonald
patent: 4081800 (1978-03-01), Amemiya et al.
Watson, J. P., "A Low Cost Precision A/D System"; Electronics Industry; Dec. 1976; pp. 21-25; vol. 2, No. 11.

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