Data slice control device and control method

Details Data slice control device and control method Data slice control device and control method

2008-01-22

2008-01-22

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

Reexamination Certificate

active

11041215

ABSTRACT:
A data slice control device comprises a monotone increase detection circuit for detecting a monotone increase point of a data signal, a monotone decrease detection circuit for detecting a monotone decrease point of the data signal, a counter for calculating a monotone increase interval value from the monotone increase point to a next monotone increase point, a data holding circuit for calculating a monotone increase monotone decrease interval value from the monotone increase point to the monotone decrease point, a CRI period determination circuit for determining whether the data signal is within a CRI period or not on the basis of the monotone increase interval value and the monotone increase monotone decrease interval value, and a slice level calculation circuit for calculating a slice level from a maximum value and a minimum value of amplitude values of the data signal only when the data signal is within the CRI period.

REFERENCES:
patent: 5138451 (1992-08-01), Shinkawa et al.
patent: 2003/0206559 (2003-11-01), Trachewsky et al.
patent: 2004/0041944 (2004-03-01), Matsumoto

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