| 摘要 |
An adaptive equalizer circuit equipped by a control unit for controlling an equalizer circuit, comprising a detection unit for detecting an identity of a preset data pattern with a data pattern as a result of data judgment for an output of the equalizer circuit, a monitor unit for sequentially monitoring an input to a gain amplifier for each of a plurality of filters constituting the equalizer circuit and an output thereof every time the identity detection unit detects an identity, and a unit for making the control unit operate an adaptive equalization control by providing the control unit with the monitoring result, thereby making it possible to track a great change in a characteristic of transmission line without using a matrix responding to the characteristic of the transmission line or a convolution operation by using the matrix.
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