Pulse or digital communications – Receivers – Interference or noise reduction
Patent
1997-06-18
1999-02-09
Chan, Jason
Pulse or digital communications
Receivers
Interference or noise reduction
455 32, 4551501, H04L 2706
Patent
active
058704396
ABSTRACT:
A DBS receiver front end which includes a tuner chip and a demodulator/decoder chip having digital interface signals. The tuner chip is configured to receive the digital signals at a reduced peak-to-peak amplitude to reduce the digital interference noise in the tuner chip. The digital signals may also have a limited slew rate to further reduce the digital interference noise. The tuner chip is configured to convert a receive signal to a baseband signal, and the demodulator/decoder chip is configured to convert the baseband signal to a decoded signal.
REFERENCES:
patent: 4665427 (1987-05-01), Beckley et al.
patent: 4701797 (1987-10-01), Ferreira
patent: 5270816 (1993-12-01), Citta et al.
patent: 5535443 (1996-07-01), Wignot
patent: 5654774 (1997-08-01), Pugel et al.
patent: 5686866 (1997-11-01), Badger
Ben-Efraim Nadav
Keate Christopher
Chan Jason
Corrielus Jean B
LSI Logic Corporation
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