Digital superheterodyne receiver and baseband filter method used

Details Digital superheterodyne receiver and baseband filter method used Digital superheterodyne receiver and baseband filter method used

1994-03-14

1997-04-08

Bocure, Tesfaldet

Pulse or digital communications

Receivers

375244, 375350, 341143, H04L 2706

Patent

active

056195362

ABSTRACT:
A digital receiver includes an antenna for picking up signals, a converter for converting an incoming signal to a predetermined intermediate frequency, and baseband processor. The receiver further includes an analog/digital converter using oversampling relative to the bandwidth of the signal and receiving the intermediate frequency signal at its input, and decimation filters receiving the output signal from the analog/digital converter and having their outputs connected to the baseband processor.

REFERENCES:
patent: 4939516 (1993-10-01), Early
patent: 5302950 (1994-04-01), Johnson et al.
patent: 5329282 (1994-07-01), Jackson
patent: 5341135 (1994-08-01), Pearce
Sangil Park et al, "A Digital AM Radio With CQUAM Stereo", Globecom '92 Conference Record, vol. 1, Dec. 6, 1992, pp. 457-461.
French Search Report FR 9302948.

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