Waveform equalizer

Details Waveform equalizer Waveform equalizer

2007-09-11

2007-09-11

Kim, Kevin (Department: 2611)

Pulse or digital communications

Equalizers

C369S059220

Reexamination Certificate

active

10852423

ABSTRACT:
A waveform equalizer is designed to perform high frequency enhancement on a read signal without increasing inter symbol interference even when the shortest run length of the read signal is not greater than twice the clock period of the channel clock signal. An addition value of weighted values of signal levels of an amplitude limited read signal obtained by limiting the amplitude of the read signal, where the signal levels are at first and second points of time, is added to a signal level at an intermediate timing of the first and second points of time, and a result of the addition is outputted as an equalization corrected read signal.

REFERENCES:
patent: 5650988 (1997-07-01), Kuribayashi
patent: 5986990 (1999-11-01), Moon
patent: 6201832 (2001-03-01), Choi
patent: 6418101 (2002-07-01), Finkelstein
patent: 0 940 811 (1999-09-01), None
patent: 1 229 538 (2002-08-01), None
patent: 11-259985 (1999-09-01), None
Kojima et al, “A waveform equalizer for the muse transmission system,” IEEE Transactions on Consumer Electronics, vol. 36, No. 3, Aug. 1990, p. 230-237.

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