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:
Oct. 26, 2004
Filed:
Feb. 05, 2001
Applicant:
Inventors:
Günter Donig, Poing, DE;
Josef Schmal, München, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/26 ; H04B 1/28 ;
U.S. Cl.
CPC ...
H04B 1/26 ; H04B 1/28 ;
Abstract
The analog multiplier has a MOS input stage. This makes it possible to increase the linearity range of the multiplier. In a development, a cascode circuit having an additional pair of bipolar transistors is provided, which makes it possible to achieve a higher linearity without increasing the supply voltage. The analog multiplier is particularly suitable as a down-converter in a reception path of a mobile radio system.