公开(公告)号：US20100164645A1

公开(公告)日：2010-07-01

申请号：US12676335

申请日：2007-09-14

申请人： Kazuhiko Kobayashi ,  Yuu Watanabe ,  Paulo Augusto Dal Fabbro ,  Maher Kayal

发明人： Kazuhiko Kobayashi ,  Yuu Watanabe ,  Paulo Augusto Dal Fabbro ,  Maher Kayal

IPC分类号： H03H7/38

CPC分类号： H03F1/565 ,  H03F3/195 ,  H03F2200/144 ,  H03F2200/222 ,  H03F2200/387 ,  H03F2200/391 ,  H03F2200/451 ,  H03F2200/453 ,  H03F2200/456 ,  H03F2200/541 ,  H03H7/38 ,  H03H11/40

摘要： The tunable impedance circuit comprises capacitors C1 and C2, an inductor L1, and an inductor L2 magnetically coupled with the inductor L1. The control current Icontrol with variable phase and amplitude from the control circuit 13 flows in the inductor L2. The impedance of the inductor L1 is changed by changing the phase and amplitude of the control current Icontrol. The output impedance is set to an optimum level by setting an effective inductance and an effective quality factor of the tunable impedance circuit 12a to be optimum by means of the phase and amplitude of the control current Icontrol relative to output current IRF of RF PA 11.

摘要翻译： 可调谐阻抗电路包括电容器C1和C2，电感器L1和与电感器L1磁耦合的电感器L2。 来自控制电路13的具有可变相位和振幅的控制电流Icontrol在电感器L2中流动。 通过改变控制电流Icontrol的相位和幅度来改变电感L1的阻抗。 通过将控制电流Icontrol的相位和幅度相对于RF PA11的输出电流IRF设置为可调谐阻抗电路12a的有效电感和有效质量因子来将输出阻抗设置为最佳电平。