会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明申请
    • Tx MODULE FOR WIRELESS COMMUNICATION
    • 用于无线通信的Tx模块
    • US20100093292A1
    • 2010-04-15
    • US12427972
    • 2009-04-22
    • Ki Joong KIMShinichi IIZUKAHyo Keun BAESang Hee KIMJoong Jin NAMYoun Suk KIM
    • Ki Joong KIMShinichi IIZUKAHyo Keun BAESang Hee KIMJoong Jin NAMYoun Suk KIM
    • H04B1/00
    • H04B1/006
    • A Tx module for wireless communications includes a plurality of Tx signal input ports receiving Tx signals of different frequencies, respectively, a plurality of power amplification units having input ports connected to the plurality of Tx signal input ports, respectively, a plurality of matching circuit units configured as transformers having input ports connected to output ports of the plurality of power amplification units, respectively, a plurality of harmonic filter units having input ports connected to output ports of the plurality of matching circuit units, respectively, a switch unit having input ports connected to output ports of the plurality of harmonic filter units, respectively and selecting one of signals input through the input ports as output, a gain/switching control unit controlling gains of the power amplification units and controlling the output selection of the switch unit, and a Tx signal output port connected to an output port of the switch unit.
    • 用于无线通信的Tx模块分别包括多个Tx信号输入端口,分别接收不同频率的Tx信号,多个功率放大单元分别具有连接到多个Tx信号输入端口的输入端口,多个匹配电路单元 配置为分别具有连接到所述多个功率放大单元的输出端口的输入端口的变压器,分别具有连接到所述多个匹配电路单元的输出端口的输入端口的多个谐波滤波器单元,具有连接的输入端口的开关单元 分别输出多个谐波滤波器单元的端口,并选择通过输入端口输入的信号之一作为输出;增益/切换控制单元,控制功率放大单元的增益并控制开关单元的输出选择;以及 Tx信号输出端口连接到开关单元的输出端口。
    • 9. 发明申请
    • IMPEDANCE MATCHING CIRCUIT ELIMINATING INTERFERENCE BETWEEN SIGNAL LINES AND POWER AMPLIFIER HAVING THE SAME
    • 阻抗匹配电路消除信号线与具有该信号的功率放大器之间的干扰
    • US20110140781A1
    • 2011-06-16
    • US12826098
    • 2010-06-29
    • Youn Suk KIMShinichi IIZUKAHyo Gun BAESang Hee KIMKi Joong KIM
    • Youn Suk KIMShinichi IIZUKAHyo Gun BAESang Hee KIMKi Joong KIM
    • H03F1/08H03H7/38
    • H03F3/602H03F1/565H03F3/45475H03F2200/222H03F2200/387H03F2200/534H03F2200/537H03F2200/541H03F2203/45134
    • Disclosed are an impedance matching circuit preventing the occurrence of inter-line interference by making currents at adjacent lines flow in the same direction, and a power amplifier having the same. The impedance matching circuit eliminating interference between signal lines includes: a first transformer including a first input line which forms a first loop by a conductor receiving a signal and a first output line which forms a second loop by a conductor outputting a signal at the inner side of the first loop of the first input line to match the impedance of a path of an input signal; and a second transformer including a second input line which forms a third loop by a conductor receiving a signal and a second output line which forms a fourth loop by a conductor outputting a signal at the inner side of the third loop of the second input line to match impedance, wherein the direction of current in the first input line of the first transformer and the direction of current in the second input line of the second transformer are the opposite so that a portion of the first input line of the first transformer and a portion of the second input line of the second transformer adjacent to the portion of the first input line of the first transformer have the same current direction.
    • 公开了一种阻抗匹配电路,其通过使相邻线路中的电流在相同方向上流动而防止线间干扰的发生,以及具有该阻抗匹配电路的功率放大器。 消除信号线之间的干扰的阻抗匹配电路包括:第一变压器,包括由接收信号的导体形成第一环的第一输入线和由内侧输出信号的导体形成第二环的第一输出线 所述第一输入线的第一回路与输入信号的路径的阻抗相匹配; 以及第二变压器,包括由接收信号的导体形成第三环的第二输入线和由在第二输入线的第三环的内侧输出信号的导体形成第四环的第二输出线, 匹配阻抗,其中第一变压器的第一输入线中的电流方向和第二变压器的第二输入线中的电流方向相反,使得第一变压器的第一输入线的一部分和部分 与第一变压器的第一输入线的部分相邻的第二变压器的第二输入线具有相同的电流方向。