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:
Aug. 09, 2011
Filed:
Aug. 05, 2008
Akishige Nakajima, Higashiyamato, JP;
Takashi Ogawa, Kawaguchi, JP;
Hidenori Suenaga, Komoro, JP;
Eigo Tange, Takasaki, JP;
Shinya Osakabe, Takasaki, JP;
Yasushi Shigeno, Takasaki, JP;
Akishige Nakajima, Higashiyamato, JP;
Takashi Ogawa, Kawaguchi, JP;
Hidenori Suenaga, Komoro, JP;
Eigo Tange, Takasaki, JP;
Shinya Osakabe, Takasaki, JP;
Yasushi Shigeno, Takasaki, JP;
Renesas Electronics Corporation, Kanagawa, JP;
Abstract
There are provided a transmission/reception switching circuit which is small in insertion loss and harmonic distortion and allows an increase in the output power of a power amplifier and an electronic component for communication on which the transmission/reception switching circuit is mounted. As an element composing a transmission/reception switching circuit in a wireless communication system, series-connected FETs or a multi-gate FET are used in place of a diode. Gate resistors connected between the individual gate terminals and a control terminal are designed to have resistance values which become progressively smaller from the gate to which a highest voltage is applied toward the gate to which a lowest voltage is applied.