H - Electricity – 04 – B
Patent
H - Electricity
04
B
328/0.2
H04B 3/04 (2006.01) H03H 19/00 (2006.01) H04L 25/03 (2006.01)
Patent
CA 1289198
ABSTRACT OF THE DISCLOSURE Disclosed is a line equalizer disposed at the front of a circuit for identifying the received digital signal which has been rendered Image equalization. In order to eliminate a precursor interference component and postcursor interference components in the input digital signal, the precursor equalizer for producing a signal by summing a signal derived from the input signal retarded by the transmission clock period and a signal derived from the input signal multiplied by a coefficient in proportion to the degree of interference and inverted for its polarity is configured by a switched capacitor circuit, which is connected in series with an automatic decision feedback equalizer for eliminating postcursor interference components.
557722
Matsuhara Osamu
Takatori Hiroshi
Yamano Seiichi
Hitachi Ltd.
Kirby Eades Gale Baker
Nippon Telegraph And Telephone Corporation
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