Automatic equalizer and digital signal reproducing apparatus car

Details Automatic equalizer and digital signal reproducing apparatus car Automatic equalizer and digital signal reproducing apparatus car

1996-09-25

1998-09-08

Pham, Chi H.

Pulse or digital communications

Equalizers

Automatic

375229, 2647242, 360 65, 333 28R, H03H 730, H03H 500, G06F 1710, G11B 5035

Patent

active

058056378

ABSTRACT:
An automatic equalizer having a high convergence performance and broad pull and lock ranges. In converting playback signals into multi-level signals, a transversal filter output is processed with maximum likelihood decoding using a maximum likelihood decoder for calculating transmission errors and the coefficients of the transversal filter are again set based on the calculated errors.

REFERENCES:
patent: 4044381 (1977-08-01), Shimano et al.
patent: 4481643 (1984-11-01), Kitazawa
patent: 4745623 (1988-05-01), Sebald et al.
patent: 5224123 (1993-06-01), Okanoue
patent: 5486956 (1996-01-01), Iga et al.
patent: 5487085 (1996-01-01), Wong-Lam et al.

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