Adaptive Equalization Techniques for Digital Video Recording Systems

Seiichi Mita, Morishi Izumita, Nobukazu Doi, Yoshizumi Eto

An adaptive automatic equalizer applicable to high-rate data recording systems such as digital VTRs is proposed. This equalizer is constructed on the nonlinear equalization technique called linear cancellation and on probabilistic decoding techniques. Two particular advantages are noted: that equalization with logical error correction is performed and that the variable part of the equalizer can be composed solely of digital circuits. It has been confirmed that sufficient eye-pattern opening can be achieved using this equalizer at an operation speed of 46 Mbits/sec.

Print ISSN
Published
1988-01
Content type
Original Research
DOI
10.5594/J02966