System and method for mixed mode equalization of signals

Details System and method for mixed mode equalization of signals System and method for mixed mode equalization of signals

2005-12-13

2005-12-13

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Transceivers

C375S232000, C375S345000, C375S350000, C455S136000, C455S138000, C455S232100

Reexamination Certificate

active

06975674

ABSTRACT:
There is disclosed a mixed mode equalization system for use in a transceiver capable of operating in a high frequency Ethernet local area network (LAN). The mixed mode equalization system comprises: 1) an adaptive analog equalization filter for amplifying a first high frequency component of an incoming analog signal by a first adjustable gain factor to produce an analog filtered incoming signal; 2) an analog-to-digital converter (ADC) for converting the analog filter incoming signal to a first incoming digital signal; 3) a digital finite impulse response (FIR) filter for amplifying a second high frequency component of the first incoming digital signal factor to produce a digital filtered incoming signal; 4) a digital FIR controller for modifying at least one digital filter coefficient of the digital FIR filter according to a signal error associated with a digital output of the digital FIR filter; and 5) an analog equalization controller for modifying the first adjustable gain factor associated with the adaptive analog equalization filter according to a value of the at least one digital filter coefficient.

REFERENCES:
patent: 5654765 (1997-08-01), Kim
patent: 5737342 (1998-04-01), Ziperovich
patent: 5847890 (1998-12-01), Hattori
patent: 6003051 (1999-12-01), Okazaki
patent: 6304598 (2001-10-01), Agazzi et al.
patent: 6313961 (2001-11-01), Armstrong et al.
patent: 6404810 (2002-06-01), Girardeau et al.
patent: 6542477 (2003-04-01), Pal et al.

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