Equalizer mode switch

Pulse or digital communications – Equalizers – Automatic

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C708S323000

Reexamination Certificate

active

07492818

ABSTRACT:
An apparatus for automatically selecting one of a standard decision directed mode and a soft dd mode in a decision feedback equalizer for receiving a data signal comprises an equalizer for providing a DFE output signal and having a control input responsive to a control signal exhibiting a first value for selecting the standard dd mode and a second value for selecting the soft dd mode. The equalizer includes a lock detector having an output for providing a lock signal indicative of equalizer convergence. The apparatus includes a mode selector having an input coupled to the lock detector output and having an output coupled to the control input for providing an output signal exhibiting one of the first and second values depending upon characteristics of the lock signal.

REFERENCES:
patent: 5311546 (1994-05-01), Paik et al.
patent: 5524023 (1996-06-01), Tsujimoto
patent: 5809074 (1998-09-01), Werner et al.
patent: 6075816 (2000-06-01), Werner et al.
patent: 6671339 (2003-12-01), Ahn
Search Report Dated Jul. 17, 2003.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Equalizer mode switch does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Equalizer mode switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Equalizer mode switch will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4070355

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.