公开(公告)号：US06249186B1

公开(公告)日：2001-06-19

申请号：US09288558

申请日：1999-04-09

申请人： Hitoshi Ebihara ,  Masaki Naganuma ,  Masanobu Kaneko ,  Fumitaka Iizuka

发明人： Hitoshi Ebihara ,  Masaki Naganuma ,  Masanobu Kaneko ,  Fumitaka Iizuka

IPC分类号： H03F316

CPC分类号： H01L23/66 ,  H01L24/48 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2924/00014 ,  H01L2924/01046 ,  H01L2924/01078 ,  H01L2924/1306 ,  H01L2924/13063 ,  H01L2924/19041 ,  H01L2924/30107 ,  H01L2924/3011 ,  H01L2924/3025 ,  H03F1/56 ,  H03F3/1935 ,  H01L2924/00 ,  H01L2224/45015 ,  H01L2924/207 ,  H01L2224/45099 ,  H01L2224/05599 ,  H01L2224/85399

摘要： An input matching circuit is provided having the output impedance-frequency characteristics wherein the output impedance shows a value approximately equal to that of the gate input impedance of the FET at the frequency of the objective signal to be amplified, and the output impedance shows a value not more than twice the gate input impedance of the FET at least at the entire frequencies from the frequency of the objective signal to be amplified through twice the frequency of the objective signal to be amplified so that the matching between the input previous stage circuit and the gate of the FET can be secured. Thereby, a high-frequency power amplifier circuit and a high-frequency power amplifier module, which can suppress the occurrence of distortion, perform stably, and get miniaturized, are configured.

摘要翻译： 提供具有输出阻抗频率特性的输入匹配电路，其中输出阻抗显示出在待放大的物镜信号的频率处的FET的栅极输入阻抗的值近似等于并且输出阻抗显示值 至少在来自要放大的物镜信号的频率的整个频率处FET的栅极输入阻抗的两倍以上将被放大的目标信号的频率的两倍，使得输入的前级电路和 可以确保FET的栅极。 由此，构成能够抑制失真的发生的高频功率放大电路和高频功率放大器模块稳定地进行小型化。