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:
Sep. 29, 2015
Filed:
Dec. 05, 2014
Murata Manufacturing Co., Ltd., Kyoto, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
As a capacitor Cj is connected in parallel to a non-reciprocal circuit, in a predetermined frequency band in which a power amplifieris used, or in other words, in a predetermined frequency band used in communication, an input impedance of the non-reciprocal circuitis adjusted and the length of an impedance curve (reflection coefficient S) at an input terminal Pof the non-reciprocal circuitcan thus be reduced. In addition, an output impedance of the power amplifierand an input impedance of the non-reciprocal circuitcan be matched in a broad band through an interstage matching circuit(input matching circuit) provided between an output terminal Pof the power amplifierand the input terminal Pof the non-reciprocal circuit