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    • 1. 发明授权
    • Apparatus, system, and method for measuring power delivered to a load
    • 用于测量输送到负载的功率的装置,系统和方法
    • US07392021B2
    • 2008-06-24
    • US11196371
    • 2005-08-03
    • Nitin JainRajanishAngelos Alexanian
    • Nitin JainRajanishAngelos Alexanian
    • H03C1/62H04B1/04G01R19/00H03G3/00
    • H03F3/189H03G3/3042H04B2001/0416
    • Apparatus, system, and method including a circuit including an element having an electrical impedance, an input node to receive a signal, and an output node to couple to a load; a sensing circuit coupled to the input node and the output node to sense a differential voltage between the input and output nodes and to sense a detected voltage at the input node; and a multiplier circuit to receive the differential voltage and to receive the detected voltage. The multiplier circuit provides an output voltage proportional to the instantaneous power delivered to the load based on the differential voltage, the detected voltage, and the impedance of the element. A system may further include a radio frequency (RF) power amplifier (PA). A method may further include controlling a gain of the RF PA to maintain the power delivered to the load at a predetermined level based on the output voltage of the multiplier circuit.
    • 装置,系统和方法包括包括具有电阻抗的元件的电路,用于接收信号的输入节点和耦合到负载的输出节点; 感测电路,其耦合到所述输入节点和所述输出节点,以感测所述输入和输出节点之间的差分电压并且感测所述输入节点处的检测到的电压; 以及用于接收差分电压并接收检测到的电压的乘法器电路。 乘法器电路提供与基于差分电压,检测电压和元件的阻抗而传递给负载的瞬时功率成比例的输出电压。 系统还可以包括射频(RF)功率放大器(PA)。 方法还可以包括控制RF PA的增益,以基于乘法器电路的输出电压将输送到负载的功率保持在预定电平。
    • 4. 发明申请
    • Apparatus, system, and method for measuring power delivered to a load
    • 用于测量输送到负载的功率的装置,系统和方法
    • US20070032209A1
    • 2007-02-08
    • US11196371
    • 2005-08-03
    • Nitin JainRajanishAngelos Alexanian
    • Nitin JainRajanishAngelos Alexanian
    • H04B1/04H01Q11/12
    • H03F3/189H03G3/3042H04B2001/0416
    • Apparatus, system, and method including a circuit including an element having an electrical impedance, an input node to receive a signal, and an output node to couple to a load; a sensing circuit coupled to the input node and the output node to sense a differential voltage between the input and output nodes and to sense a detected voltage at the input node; and a multiplier circuit to receive the differential voltage and to receive the detected voltage. The multiplier circuit provides an output voltage proportional to the instantaneous power delivered to the load based on the differential voltage, the detected voltage, and the impedance of the element. A system may further include a radio frequency (RF) power amplifier (PA). A method may further include controlling a gain of the RF PA to maintain the power delivered to the load at a predetermined level based on the output voltage of the multiplier circuit.
    • 装置,系统和方法包括包括具有电阻抗的元件的电路,用于接收信号的输入节点和耦合到负载的输出节点; 感测电路,其耦合到所述输入节点和所述输出节点,以感测所述输入和输出节点之间的差分电压并且感测所述输入节点处的检测到的电压; 以及用于接收差分电压并接收检测到的电压的乘法器电路。 乘法器电路提供与基于差分电压,检测电压和元件的阻抗而传递给负载的瞬时功率成比例的输出电压。 系统还可以包括射频(RF)功率放大器(PA)。 方法还可以包括控制RF PA的增益,以基于乘法器电路的输出电压将输送到负载的功率保持在预定电平。
    • 5. 发明授权
    • Planar transmission line to waveguide transition for a microwave signal
    • 平面传输线到微波信号的波导转换
    • US06396363B1
    • 2002-05-28
    • US09465644
    • 1999-12-17
    • Angelos AlexanianNitin JainThomas Budka
    • Angelos AlexanianNitin JainThomas Budka
    • H03H500
    • H01P5/107
    • A transition from a planar transmission line to a waveguide has a planar transmission line patterned onto a glass substrate. A mode transformer 1 on the substrate 3 is electrically connected to a transmission line 2 and converts a transverse electric or quasi-transverse electric mode signal carried by the transmission line to a waveguide mode signal. A combination of a first extension of the substrate 3 and a dielectric portion having some depth makes up a first impedance matching element 13. A second impedance matching element 14 is a combination of a second extension of the substrate 3 and a dielectric portion having another depth greater than the first depth. The aperture created by the second impedance matching element launches an RF signal into the air for use as a wireless communication signal. Also disclosed is a method for optimizing a transition according to the teachings of the present invention for alternative dimensions and dielectrics.
    • 从平面传输线到波导的转变具有图案化到玻璃基板上的平面传输线。 基板3上的模式变压器1电连接到传输线2,并将由传输线承载的横向电或准横向电模式信号转换为波导模式信号。 衬底3的第一延伸部和具有一定深度的电介质部分的组合构成第一阻抗匹配元件13.第二阻抗匹配元件14是衬底3的第二延伸部和具有另一深度的电介质部分的组合 大于第一深度。 由第二阻抗匹配元件产生的孔径将RF信号发射到空中用作无线通信信号。 还公开了根据本发明的教导优化用于替代尺寸和电介质的转变的方法。