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:
Dec. 30, 2008
Filed:
Dec. 05, 2006
Chang-lin Wei, Miaoli County, TW;
Chang-sheng Chen, Taipei, TW;
Syun Yu, Chiayi, TW;
Ying-jiunn Lai, Pingtung County, TW;
Uei-ming Jow, Taichung, TW;
Chang-Lin Wei, Miaoli County, TW;
Chang-Sheng Chen, Taipei, TW;
Syun Yu, Chiayi, TW;
Ying-Jiunn Lai, Pingtung County, TW;
Uei-Ming Jow, Taichung, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A balanced-to-unbalanced transformer embedded with a filter, the balanced-to-unbalanced transformer being disposed in a multi-layered substrate and comprising vertically coupled transmission lines designed in different layers in the multi-layer substrate to increase transmission performances. A capacitor and a transmission line are connected to a single-ended I/O port of the balanced-to-unbalanced transformer such that a filter is embedded in the balanced-to-unbalanced transformer.