Differential signal strength detector

Details Differential signal strength detector Differential signal strength detector

2004-09-29

2008-12-02

Vo, Nguyen (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

C327S077000

Reexamination Certificate

active

07460848

ABSTRACT:
A signal detection circuit includes a first signal multiplier operably coupled to square an input signal, a second signal multiplier operably coupled to square a reference signal, and a filter module operably coupled to produce a digital output representative of the input signal based on a squared input signal and a squared reference signal.

REFERENCES:
patent: 3731203 (1973-05-01), Lieberman
patent: 5414774 (1995-05-01), Yumoto
patent: 5479160 (1995-12-01), Koelle
patent: 2002/0067838 (2002-06-01), Kindred et al.
patent: 2005/0036571 (2005-02-01), Shvodian et al.
patent: 2005/0231285 (2005-10-01), Takasawa et al.
U.S. Appl. No. 10/683,944, filed Oct. 10, 2003, Young.

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