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. 31, 2006
Filed:
May. 31, 2002
Applicants:
Gregor Gerhard, Krefeld, DE;
Stefan Kern, Waghaeusel, DE;
Stefan Koch, Oppenweiler, DE;
Inventors:
Assignee:
Marconi Communications GmbH, Backnang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An integrated semiconductor mixer includes a substrate (), a radio-frequency balun () disposed on the substrate (), a local oscillator balun () disposed on the substrate (), an intermediate-frequency port () disposed on the substrate (), and a mixer diode array (), disposed on the substrate (), that communicates with the radio-frequency balun (), the local oscillator balun (), and the intermediate-frequency port (), in which the radio-frequency balun () is shielded from the local oscillator balun () by plated holes ().