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:
Jun. 07, 2005
Filed:
Sep. 21, 2001
Patrick P. Siniscalchi, Sachse, TX (US);
Richard K. Hester, McKinney, TX (US);
Donald C. Richardson, Plano, TX (US);
Glenn H. Westphal, Plano, TX (US);
Patrick P. Siniscalchi, Sachse, TX (US);
Richard K. Hester, McKinney, TX (US);
Donald C. Richardson, Plano, TX (US);
Glenn H. Westphal, Plano, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
The asymmetric digital subscriber line receive channel includes: first and second external resistorsandcoupled to a telephone lineand; a coarse programmable gain amplifier CPGA formed in a low voltage process having inputs coupled to the first and second external resistorsand; and a fine programmable gain amplifier PGAcoupled to an output of the coarse programmable gain amplifier CPGA, and having a very fine gain trim adjustment to compensate for a mismatch between the external resistorsandand the coarse programmable gain amplifier CPGA.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile