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    • 5. 发明申请
    • Bulk acoustic wave filter with reduced nonlinear signal distortion
    • 具有降低的非线性信号失真的体声波滤波器
    • US20080007369A1
    • 2008-01-10
    • US11484042
    • 2006-07-10
    • Bradley BarberSahana KenchappaRuss Reisner
    • Bradley BarberSahana KenchappaRuss Reisner
    • H03H9/58
    • H03H9/605H03H9/02086
    • A filter circuit includes at least one series resonator having a first terminal and a second terminal, where the first and second terminals of the at least one series resonator are coupled to an input and an output of the filter circuit, respectively. The filter circuit further includes at least one shunt resonator having a first terminal and a second terminal, where the first terminal of the at least one shunt resonator is coupled to the input of the filter circuit and the second terminal of the at least one shunt resonator is coupled to ground. A polarity of the first terminal of the at least one series resonator and a polarity of the first terminal of the at least one shunt resonator are selected so as to reduce harmonic signal generation and other types of distortion in the filter circuit.
    • 滤波器电路包括至少一个具有第一端子和第二端子的串联谐振器,其中至少一个串联谐振器的第一和第二端子分别耦合到滤波器电路的输入端和输出端。 滤波器电路还包括具有第一端子和第二端子的至少一个并联谐振器,其中至少一个并联谐振器的第一端子耦合到滤波器电路的输入端并且至少一个并联谐振器的第二端子 耦合到地面。 选择至少一个串联谐振器的第一端子的极性和至少一个并联谐振器的第一端子的极性,以便减少滤波器电路中的谐波信号产生和其它类型的失真。
    • 6. 发明授权
    • High frequency linearizer
    • 高频线性化器
    • US5304944A
    • 1994-04-19
    • US958619
    • 1992-10-09
    • Wilbert CopelandRuss Reisner
    • Wilbert CopelandRuss Reisner
    • H03F1/32
    • H03F1/3241
    • A linearizer particularly valuable for millimeter wave satellite communications is disclosed. A satellite (12) divides signal into linear (20) and nonlinear (32) paths which are converted to finline. A pair of beamlead PIN diodes (48) and a pair of varactor diodes (52) extend across the finline linear path to constitute an attenuator and phase shifter. A pair of anti-parallel Schottky diodes (60) and a pair of PIN diodes (64) extend across the nonlinear path to constitute a limiter and an attenuator. A combiner (30) combines the linear and nonlinear signals for input to an amplifier.
    • 公开了对毫米波卫星通信特别有价值的线性化装置。 卫星(12)将信号划分为线性(20)和非线性(32)路径,转换成finline。 一对光束PIN二极管(48)和一对变容二极管(52)延伸穿过细线线路径以构成衰减器和移相器。 一对反并联肖特基二极管(60)和一对PIN二极管(64)跨越非线性路径延伸以构成限幅器和衰减器。 组合器(30)将用于输入的线性和非线性信号组合到放大器。
    • 10. 发明授权
    • Bulk acoustic wave filter with reduced nonlinear signal distortion
    • 具有降低的非线性信号失真的体声波滤波器
    • US07535323B2
    • 2009-05-19
    • US11484042
    • 2006-07-10
    • Bradley BarberSahana KenchappaRuss Reisner
    • Bradley BarberSahana KenchappaRuss Reisner
    • H03H9/54
    • H03H9/605H03H9/02086
    • A filter circuit includes at least one series resonator having a first terminal and a second terminal, where the first and second terminals of the at least one series resonator are coupled to an input and an output of the filter circuit, respectively. The filter circuit further includes at least one shunt resonator having a first terminal and a second terminal, where the first terminal of the at least one shunt resonator is coupled to the input of the filter circuit and the second terminal of the at least one shunt resonator is coupled to ground. A polarity of the first terminal of the at least one series resonator and a polarity of the first terminal of the at least one shunt resonator are selected so as to reduce harmonic signal generation and other types of distortion in the filter circuit.
    • 滤波器电路包括至少一个具有第一端子和第二端子的串联谐振器,其中至少一个串联谐振器的第一和第二端子分别耦合到滤波器电路的输入端和输出端。 滤波器电路还包括具有第一端子和第二端子的至少一个并联谐振器,其中至少一个并联谐振器的第一端子耦合到滤波器电路的输入端并且至少一个并联谐振器的第二端子 耦合到地面。 选择至少一个串联谐振器的第一端子的极性和至少一个并联谐振器的第一端子的极性,以便减少滤波器电路中的谐波信号产生和其它类型的失真。