Correction of offset and gain errors in RF receivers

Details Correction of offset and gain errors in RF receivers Correction of offset and gain errors in RF receivers

1984-12-24

1988-03-01

Harkcom, Gary V.

Boots, shoes, and leggings

364573, G06J 100, G06F 1520

Patent

active

047291109

ABSTRACT:
Sampled and digitized in-phase and quadrature phase signals are algebraically accumulated in offset accumulators, the contents of which are periodically employed to adjust the value of offset correction factors added to each signal path. Additionally, the absolute values of the in-phase and quadrature phase signals are accumulated in gain accumulators, the contents of which are periodically employed to adjust the gain factor multiplier in one of the signal paths.

REFERENCES:
patent: 4193039 (1980-03-01), Massa et al.
patent: 4326168 (1982-04-01), Acker
patent: 4414638 (1983-11-01), Talambiras
patent: 4573133 (1986-02-01), White
patent: 4587622 (1986-05-01), Herzog
patent: 4616329 (1986-10-01), Abrams et al.

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