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, 2014
Filed:
May. 12, 2011
Applicant:
Ekrem Oran, Nashua, NH (US);
Inventor:
Ekrem Oran, Nashua, NH (US);
Assignee:
Hittite Microwave Corporation, Chelmsford, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/203 (2006.01); H01P 7/08 (2006.01);
U.S. Cl.
CPC ...
H01P 1/20336 (2013.01); H01P 1/2039 (2013.01); H01P 7/082 (2013.01);
Abstract
A microstrip combline bandpass filter includes an input port, an output port, and a plurality of resonators each including a microstrip line having a first end and a second end. One of the plurality of resonators is connected to the input port, and another of the plurality of resonators is connected to the output port. The filter also includes a plurality of pairs of series coupled varactors. The first end of each microstrip line is coupled to one of the pairs of varactors, and the second end of each microstrip line is coupled to ground.