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:
Jul. 20, 2010
Filed:
Nov. 24, 2005
Mihai A. T. Sanduleanu, Maastricht, NL;
Eduard F. Stikvoort, Eindhoven, NL;
Mihai A. T. Sanduleanu, Maastricht, NL;
Eduard F. Stikvoort, Eindhoven, NL;
ST-Ericsson SA, Geneva, CH;
Abstract
A BALUN circuit () for low voltage operation for receiving single ended input signal at an input terminal () and providing a differential output signal across a pair of output terminals (OUT+, OUT−) is disclosed. The BALUN circuit () comprises a first branch including an input terminal () for receiving a single ended input voltage signal (RFin), a transistor (Q), a resistance (R) (), a resistance (RL), and an output terminal (OUT+). A second branch includes a transistor (Q), a resistance (RL) and an output terminal (OUT−). An operational amplifier () maintains current flowing through the resistances RL in the first and second branches substantially equal to each other, in dependence upon the output voltage signal across the output terminals (OUT+, OUT−).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile