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:
Jan. 01, 2013
Filed:
Jun. 11, 2009
Applicants:
Yong Lian, Singapore, SG;
Libin Yao, Singapore, SG;
Xiaoyuan Xu, Singapore, SG;
Xiaodan Zou, Singapore, SG;
Inventors:
Yong Lian, Singapore, SG;
Libin Yao, Singapore, SG;
Xiaoyuan Xu, Singapore, SG;
Xiaodan Zou, Singapore, SG;
Assignee:
National University of Singapore, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/191 (2006.01);
U.S. Cl.
CPC ...
Abstract
A CMOS amplifier with integrated tunable band-pass function, a tunable active resistor structure, a method of amplifying an input signal and a method of fabricating an amplifier. The tunable active resistor structure comprises two symmetrically cross-coupled transistors.