Judgment level setting method and data receiver

Pulse or digital communications – Receivers – Automatic gain control

Reexamination Certificate

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C455S232100

Reexamination Certificate

active

07042965

ABSTRACT:
An evaluation level setting method and a data reception apparatus in which the method is implemented accurately evaluate signal levels in multi-valued transmission for transmitting data while assigning one or more bits of data as one data symbol to a signal level.A data transmission apparatus outputs an initialization pattern signal at turn-on of power or after reset, and the data reception apparatus establishes clock synchronization on the basis of the received initialization pattern signal and starts data reception after setting of evaluation levels to be used for threshold evaluation of signal levels.

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