The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 1998
Filed:
Sep. 06, 1995
Applicant:
Inventors:
Paul Shepherd, Abingdon, GB;
John Blake, Limerick, IE;
Assignee:
Analog Devices, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
375341 ; 375345 ;
Abstract
A digital signal processor for a PRML system includes: an NMOS pass transistors gain control circuit responsive to a digital data signal for adjusting the gain of the digital data signal; an NMOS pass transistor phase control circuit responsive to the digital data signal for adjusting the phase of the data signal; and an NMOS pass transistor Viterbi maximum likelihood detector circuit for determining the most probable sequence of symbols in the data signal.