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:
Aug. 07, 2012
Filed:
Jun. 20, 2007
Richard Hellberg, Huddinge, SE;
Mats Klingberg, Enskede, SE;
Joakim Plahn, Täby, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
A circuit () for use in a transmitter in a base station in a wireless cellular access system, comprising a main line with a first filter () arranged in the main line with an input side () and an output side () in the main line. The circuit additionally comprises a feed forward cancellation loop with a second filter (), the cancellation loop also having an input point () and an output point (). The cancellation loop is connected to the main line with the output point () of the cancelation loop being connected to the main line on the output side () of the first filter (). Suitably, the first filter () i.e. the main line filter, is a bandpass filter.