Configurable demodulator and demodulation method

Details Configurable demodulator and demodulation method Configurable demodulator and demodulation method

2008-02-08

2010-10-19

Chang, Joseph (Department: 2817)

Demodulators

Frequency shift keying or minimum shift keying demodulator

C329S303000, C332S100000, C332S101000, C375S357000, C375S371000

Reexamination Certificate

active

07816979

ABSTRACT:
A method and system for a frequency shift key demodulation is provided. The system includes a counting block for counting a reference clock within a window defined by a modulated signal, a detector for comparing a count value output from the counting block with digital multi-level thresholds and outputting baseband data based on the comparison, and a configurations block for configuring at least one of the counting block and the detector. The method includes counting a reference clock within a window defined by the FSK modulated signal and outputting a count value as a result of the counting, and comparing the count value with multi-level thresholds to output baseband data based on the comparison.

REFERENCES:
patent: 4574247 (1986-03-01), Jacob
patent: 6914478 (2005-07-01), Takasu et al.
patent: 7016284 (2006-03-01), Chou
patent: 7026864 (2006-04-01), Shiung
patent: 2003/0123571 (2003-07-01), Scheffler

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