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:
Feb. 26, 2002
Filed:
Oct. 13, 1998
Applicant:
Inventors:
Kai Tuan Yan, Singapore, SG;
Junichi Shibata, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/28 ;
U.S. Cl.
CPC ...
H04B 1/28 ;
Abstract
A circuit is disclosed for a receiver front-end for a Personal Handy Phone. The circuit consists of a high frequency mixer consisting of a cascade downmixer, tapped at the center, and followed by a common source intermediate (IF) amplifier. The combination of downmixer and IF amplifier provides a high third order intermodulation suppression and a robust conversion gain. The proposed circuit can also be applied to other FET technologies and other uses.