High sensitivity RF receiver and method for forming the same

Details High sensitivity RF receiver and method for forming the same High sensitivity RF receiver and method for forming the same

2006-12-26

2006-12-26

Tran, Pablo N. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

C455S259000, C455S296000, C375S329000

Reexamination Certificate

active

07155181

ABSTRACT:
A method for improving sensitivity of a RF receiver and a RF receiver designed by the same are provided. The RF receiver, which receives a RF signal, comprises a sampling converting circuit, a decoding circuit, a frequency-hopping circuit, a constant current source and a ring oscillating circuit. The RF receiver outputs a frequency-hopping signal to the frequency-hopping circuit when the decoding circuit determines that the digital data converted from the RF signal is not equivalent to each of the internal preset data. The frequency-hopping circuit outputs a frequency-hopping current to the ring oscillating circuit to change a sampling clock of the RF receiver.

REFERENCES:
patent: 6144292 (2000-11-01), Brown
patent: 6396890 (2002-05-01), Turner
patent: 2004/0198288 (2004-10-01), Sadowski
patent: 2005/0009485 (2005-01-01), Tanaka
patent: 2006/0039449 (2006-02-01), Fontana et al.
patent: 2006/0062277 (2006-03-01), Friedrich et al.
patent: 2006/0205374 (2006-09-01), Darabi et al.

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