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发明授权
CN103703682B 高频放大电路 有权 转让

高频放大电路
摘要：
高频放大电路（1）为，在封装（112）内的安装面上具备晶体管（101）和输出侧匹配电路（103），输出侧匹配电路（103）具备经由第一导线（121）被传递来自晶体管（101）的高频信号的第一分布常量线路（105）、经由第二导线（122）将来自第一分布常量线路（105）的高频信号向封装（112）外部传送的平板状的引线端子（106）、以及一个电极经由第三导线（123）与引线端子（106）连接而另一个电极接地的电容元件（108），引线端子106）的里面与树脂衬底接合，以电容元件（108）和第一分布常量线路（105）的排列方向与第一分布常量线路（105）和引线端子（106）的排列方向在上述安装面上交叉的方式，将电容元件（108）和第一分布常量线路（105）相邻接配置。
摘要（英）：

A radio frequency amplifier circuit includes a transistor and an output-side matching circuit. The output-side matching circuit includes a first distributed constant line to which a radio frequency signal from the transistor is transmitted, a flat plate lead terminal transmitting the radio frequency signal from the first distributed constant line to an outside of the package, and a capacitive element having one electrode that is connected to the lead terminal and the other electrode that is grounded. A back surface of the lead terminal is joined to a resin substrate, and the capacitive element and the first distributed constant line are disposed adjacent to each other, with an alignment direction of the capacitive element and the first distributed constant line intersecting an alignment direction of the first distributed constant line and the lead terminal.

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