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公开(公告)号：SE0402045D0
公开(公告)日：2004-08-18
申请号：SE0402045
申请日：2004-08-18
Applicant: INFINEON TECHNOLOGIES AG
Inventor： ENGEL BERNHARD , GREGORIUS PETER
Abstract: A CDR circuit arrangement, for example for a transceiver module, features a data recovery unit ( 4 ) for the recovery of the data contained in a received signal (DATA) by scanning this received data signal, and a phase evaluation unit for the determination of a suitable phase position for the scanning carried out by the data recovery unit ( 4 ). The phase evaluation unit comprises a scanning device ( 1 ) for the oversampling of a the received data signal (DATA) in accordance with several different scanning phases (P 0 -P 6 ), a phase detector device ( 2 ) for the evaluation of the scanning values (A 0 -A 6 ) accordingly prepared by the scanning device ( 1 ), in order thereby to derive intermediate signals (UP 1 -UP 3, DN 1 -DN 3 ), which classify the phase error during the scanning of the data signal by the scanning device ( 1 ) in respect of its size and direction of deviation, as well as a filter device ( 3 ), in order to subject the intermediate signals (UP 1 -UP 3, DN 1 -DN 3 ) generated by the phase detector device ( 2 ) to a weighted filtering process. In this situation, a setting signal (DeltaP) is generated by the filter device ( 3 ) for the subsequent regulation and control of the scanning phases (P 0 -P 6 ) of the scanning device ( 1 ).
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公开(公告)号：SE0402045L
公开(公告)日：2004-08-18
申请号：SE0402045
申请日：2004-08-18
Applicant: INFINEON TECHNOLOGIES AG
Inventor： ENGEL BERNHARD , GREGORIUS PETER
Abstract: A CDR circuit arrangement, for example for a transceiver module, features a data recovery unit ( 4 ) for the recovery of the data contained in a received signal (DATA) by scanning this received data signal, and a phase evaluation unit for the determination of a suitable phase position for the scanning carried out by the data recovery unit ( 4 ). The phase evaluation unit comprises a scanning device ( 1 ) for the oversampling of a the received data signal (DATA) in accordance with several different scanning phases (P 0 -P 6 ), a phase detector device ( 2 ) for the evaluation of the scanning values (A 0 -A 6 ) accordingly prepared by the scanning device ( 1 ), in order thereby to derive intermediate signals (UP 1 -UP 3, DN 1 -DN 3 ), which classify the phase error during the scanning of the data signal by the scanning device ( 1 ) in respect of its size and direction of deviation, as well as a filter device ( 3 ), in order to subject the intermediate signals (UP 1 -UP 3, DN 1 -DN 3 ) generated by the phase detector device ( 2 ) to a weighted filtering process. In this situation, a setting signal (DeltaP) is generated by the filter device ( 3 ) for the subsequent regulation and control of the scanning phases (P 0 -P 6 ) of the scanning device ( 1 ).
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公开(公告)号：SE528636C2
公开(公告)日：2007-01-09
申请号：SE0402045
申请日：2004-08-18
Applicant: INFINEON TECHNOLOGIES AG
Inventor： ENGEL BERNHARD , GREGORIUS PETER
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