Digital equalization apparatus

Details Digital equalization apparatus Digital equalization apparatus

2006-12-26

2006-12-26

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Nonlinear

C341S155000

Reexamination Certificate

active

07154424

ABSTRACT:
A digital equalization apparatus is provided with an analog low pass filter for removing a high-frequency component from an input analog signal, a non-linear analog to digital (A/D) converter for non-linearly sampling the analog signal to output a digital signal, and an equalizer2for waveform-equalizing the digital signal outputted from the non-linear A/D converter. The non-linear A/D converter non-linearly A/D converts the analog signal so that, with a center value of amplitude of the analog signal being a reference, resolution per least significant bit (LSB) becomes higher as an input center of the non-linear A/D converter is closer to the center value while the resolution per LSB becomes lower as the input center of the non-linear A/D converter is farther from the center value.

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