Demodulator architecture and associated methods

Details Demodulator architecture and associated methods Demodulator architecture and associated methods

2006-09-12

2006-09-12

Vuong, Quochien B. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C375S324000, C329S317000

Reexamination Certificate

active

07107036

ABSTRACT:
Embodiments of a frequency modulated (FM) demodulator and associated methods are generally described. According to but one example embodiment, an apparatus is disclosed comprising a receiver front-end, to receive a signal from one or more antenna(e) and generate quadrature components of the received signal, and a frequency-shifted, cross-multiplied differentiator demodulator, coupled with the receiver front-end, to generate a demodulated representation of the received signal centered at a select intermediate frequency.

REFERENCES:
patent: 4470147 (1984-09-01), Goatcher
patent: 5870669 (1999-02-01), Kawai
patent: 6127884 (2000-10-01), Rishi
patent: 6236847 (2001-05-01), Stikvoort

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