Patent ID: 8963652
Filing Date: 2015-02-24
Classification: H01P,H03H,H04B

Abstract:
1. A duplexer comprising: a first filter and a second filter with different frequency bands; a main body including a back surface; a common terminal mounted on the back surface of the main body and connected to one of an input side and an output side of the first filter and to one of an input side and an output side of the second filter; a first terminal mounted on the back surface of the main body and connected to another side of the first filter that is not connected to the common terminal; and a second terminal mounted on the back surface of the main body and connected to another side of the second filter that is not connected to the common terminal; wherein the common terminal is arranged in a central portion of the back surface; the first terminal and the second terminal are arranged on a virtual line that passes through the common terminal and that is parallel or substantially parallel with one side of the back surface of the main body such that the common terminal is sandwiched between the first terminal and the second terminal; a plurality of ground terminals are provided on the back surface; and the ground terminals are arranged between the common terminal and the first terminal and between the common terminal and the second terminal.