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:
May. 01, 2012
Filed:
Nov. 09, 2007
Xiang Guan, Mountain View, CA (US);
Chinh Huy Doan, Santa Clara, CA (US);
Sohrab Emami-neyestanak, San Francisco, CA (US);
Xiang Guan, Mountain View, CA (US);
Chinh Huy Doan, Santa Clara, CA (US);
Sohrab Emami-Neyestanak, San Francisco, CA (US);
SiBeam, Inc., Sunnyvale, CA (US);
Abstract
A circuit features a balun having an unbalanced input and a balanced output, and a differential coupler having a symmetrical structure about a center axis. The differential coupler has a differential input and a differential output, the differential input being coupled to the balanced output of the balun. An impedance element is coupled to a circuit node of the differential coupler at a point along the center axis. Other embodiments are also described and claimed.