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    • 2. 发明公开
    • 고주파 모듈
    • 高频模块
    • KR1020080088415A
    • 2008-10-02
    • KR1020080026890
    • 2008-03-24
    • 티디케이가부시기가이샤
    • 이와타마사시
    • H01L23/12H01P1/213
    • H04B1/0057H04B1/48
    • A high frequency module is provided to reduce insertion loss of a path of a reception signal by reducing lengths of a first and second signal paths. An antenna terminal(ANT) is connected to an antenna(101). A first and second reception signal terminals output reception signals in a balanced state. A transmission signal terminal(Tx1,Tx2) receives a transmission signal. A separation circuit is disposed between the antenna terminal and the first and second reception and transmission signal terminals in order to separate the transmission signal and the reception signal from each other. A balanced signal output element is formed between the separation circuit and the first and second reception signal terminals in order to output the reception signal in a balanced state. A layered substrate is used for integrating components. The layered substrate includes a plurality of dielectric layers to be stacked, and has a bottom surface and a top surface located on opposite sides, and a plurality of lateral surfaces for coupling the bottom surface and the top surface with each other. The balanced signal output element has a first output terminal and a second output terminal for outputting the reception signal in a balanced state, and is mounted on the top surface of the layered substrate. The bottom surface of the layered substrate has a plurality of sides including a side near to the first and second reception signal terminals. The first and second output terminals of the balanced signal output element are arranged closely to one side of the bottom surface of the layered substrate. A first signal path is formed to connect the first output terminal with the first reception signal terminal. A second signal path is formed to connect the second output terminal with the second reception signal terminal. The first and second signal paths are formed by using one or more through-hole within the layered substrate. The first and second signal paths are not exposed at any side surface of the layered substrate.
    • 提供高频模块以通过减少第一和第二信号路径的长度来减少接收信号的路径的插入损耗。 天线端子(ANT)连接到天线(101)。 第一和第二接收信号端子输出处于平衡状态的接收信号。 发送信号终端(Tx1,Tx2)接收发送信号。 在天线端子与第一和第二接收和发送信号端子之间设置分离电路,以便将发送信号和接收信号彼此分开。 在分离电路和第一和第二接收信号端子之间形成平衡信号输出元件,以便将平衡状态的接收信号输出。 层叠基板用于集成部件。 层叠基板包括多个要堆叠的介电层,并且具有位于相对侧上的底表面和顶表面,以及用于将底表面和顶表面彼此连接的多个侧表面。 平衡信号输出元件具有第一输出端子和第二输出端子,用于以平衡状态输出接收信号,并且安装在层叠基板的顶表面上。 层叠基板的底面具有包括靠近第一和第二接收信号端子的一侧的多个侧面。 平衡信号输出元件的第一和第二输出端子紧密地布置在层状基板的底表面的一侧。 形成第一信号路径,以将第一输出端与第一接收信号端相连。 形成第二信号路径以将第二输出端与第二接收信号端相连。 第一和第二信号路径通过在分层衬底内使用一个或多个通孔而形成。 第一信号路径和第二信号路径不在层叠基板的任何侧面露出。