FSK signal detector

Details FSK signal detector FSK signal detector

2007-10-23

2007-10-23

Vo, Don N. (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

C329S300000

Reexamination Certificate

active

10859353

ABSTRACT:
A detector includes a binarizer for binarizing the amplitude of an input FSK signal; a 2n-stage shift register having 2n registers for sequentially shifting the FSK signal binarized by the binarizer in response to a clock; and an adder for calculating a sum of a total number of FSK signals having the value of “1” or “0” among FSK signals stored in a first to an n-th register of the 2n-stage shift register and a total number of FSK signals having the value of “0” or “1” among FSK signals stored in an (n+1)th to a 2n-th register.

REFERENCES:
patent: 5539355 (1996-07-01), Nakamura
patent: 5825243 (1998-10-01), Sato et al.
patent: 6643336 (2003-11-01), Hsieh et al.
patent: 6836520 (2004-12-01), Chen et al.
patent: 9-036924 (1997-02-01), None

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