Programmable radio receiver bandpass filter for...

Details Programmable radio receiver bandpass filter for... Programmable radio receiver bandpass filter for...

2005-02-15

2005-02-15

Nguyen, Simon (Department: 2685)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S180100, C455S213000, C455S266000, C375S137000, C375S152000

Reexamination Certificate

active

06856797

ABSTRACT:
A programmable band-pass filter in a radio-frequency receiver. The band-pass filter has a bandwidth substantially covering a channel bandwidth. Once the appropriate channel in use is determined, the frequency band of the band-width filter is set to correspond to it.

REFERENCES:
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patent: 6263210 (2001-07-01), Takahashi
patent: 6272353 (2001-08-01), Dicker et al.
patent: 6278722 (2001-08-01), Evans
patent: 6480721 (2002-11-01), Sydon et al.
patent: 6584304 (2003-06-01), Thomsen et al.

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