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    • 4. 发明申请
    • AUTOMATIC BIAS CONTROLLER FOR A PULSED POWER AMPLIFIER
    • 用于脉冲功率放大器的自动偏置控制器
    • WO2017044657A1
    • 2017-03-16
    • PCT/US2016/050817
    • 2016-09-08
    • FLIR SYSTEMS, INC.
    • JALES, Richard
    • H03F1/02H03F1/30H03F3/189
    • H03F1/0211H03F1/0261H03F1/30H03F1/301H03F3/189H03F3/19H03F3/21H03F2200/15H03F2200/18H03F2200/27H03F2200/351H03F2200/451H03F2200/462H03F2200/78
    • Systems and methods for automatically controlling the bias in a pulsed power amplifier include components for measuring the current in an amplifier, comparing the measured value with the desired value, modifying the bias, and controlling the bias applied to the power amplifier. A measurement circuit converts the measured current to a voltage, and a comparator compares a measured voltage with a reference voltage to continuously indicate whether the amplifier current is less than a desired quiescent value. A circuit controls the level of the gate-bias (Vg) during a pulse, such as with a pulse width modulator. The measurement of the amplifier current is registered after the bias is enabled, but before the signal pulse. Drive control logic implements a control algorithm for adjusting the gate value in between pulses and in time to be used for the next pulse.
    • 用于自动控制脉冲功率放大器中的偏置的系统和方法包括用于测量放大器中的电流的组件,将测量值与期望值进行比较,修改偏置以及控制施加到功率放大器的偏置。 测量电路将测量的电流转换为电压,并且比较器将测量的电压与参考电压进行比较,以连续地指示放大器电流是否小于期望的静态值。 电路控制脉冲期间的栅极偏置电平(Vg),例如用脉冲宽度调制器。 在偏置使能之后,但在信号脉冲之前,放大器电流的测量被记录。 驱动控制逻辑实现一种控制算法,用于调整脉冲之间的时钟和时间上的栅极值,以用于下一个脉冲。
    • 7. 发明申请
    • STACKED BIAS I-V REGULATION
    • 堆叠偏心I-V调节
    • WO2016025177A1
    • 2016-02-18
    • PCT/US2015/042750
    • 2015-07-29
    • NORTHROP GRUMMAN SYSTEMS CORPORATION
    • SCHERRER, Daniel, R.
    • H03F1/02H03F1/22H03F1/30
    • H03F1/0233H03F1/0283H03F1/22H03F1/30H03F3/193H03F3/45076H03F2200/451H03F2203/45116
    • A RF amplifier circuit including a plurality of FET devices, where a source terminal of an FET device is electrically coupled to the drain terminal of another FET device. The circuit further includes a voltage divider network and a plurality of operational amplifiers, where a separate one of the operational amplifiers is provided for each FET device. Each operational amplifier includes a positive input terminal, a negative input terminal and an output terminal, where the output terminal for a particular operational amplifier is electrically coupled to a gate terminal of a particular FET device, the negative input terminal of each operational amplifier is electrically coupled to the source terminal of the particular FET device and the positive input terminal of each operational amplifier is electrically coupled to the voltage divider network. A source resistor is electrically coupled to the source terminal of a bottom FET device in the stack.
    • 一种包括多个FET器件的RF放大器电路,其中FET器件的源极端子与另一个FET器件的漏极端子电耦合。 电路还包括分压器网络和多个运算放大器,其中为每个FET器件提供单独的一个运算放大器。 每个运算放大器包括正输入端,负输入端和输出端,其中特定运算放大器的输出端电耦合到特定FET器件的栅极端,每个运算放大器的负输入端电 耦合到特定FET器件的源极端子,并且每个运算放大器的正输入端子电耦合到分压器网络。 源极电阻器电耦合到堆叠中的底部FET器件的源极端子。
    • 9. 发明申请
    • 電圧発生回路
    • 电压发生电路
    • WO2014200027A1
    • 2014-12-18
    • PCT/JP2014/065492
    • 2014-06-11
    • シャープ株式会社
    • 石丸 昌晃
    • G05F1/613G05F3/22
    • G05F3/16G05F3/227H03F1/30H03F3/189
    •  電圧発生回路であって、電源端子104が抵抗106、107によって電圧出力端子105に接続されている。ベースとコレクタが抵抗102で接続され、エミッタが接地されたトランジスタ103と、ベースとコレクタが抵抗108で接続され、ベースが電圧出力端子105に接続され、エミッタがトランジスタ103のコレクタに接続されたトランジスタ109と、ベースとコレクタが抵抗110で接続され、ベースが抵抗112、113によって電源端子117に接続され、エミッタはトランジスタ103のベースに接続されているトランジスタ111とを備えている。
    • 提供一种电压产生电路,其中电源端子(104)通过电阻(106,107)连接到电压输出端子(105)。 本发明提供:晶体管(103),其中发射极接地,并且基极和集电极通过电阻(102)连接; 其中发射极连接到晶体管(103)的集电极并且基极和集电极通过电阻器(108)连接的晶体管(109),所述基极连接到电压输出端子(105); 以及其中发射极连接到晶体管(103)的基极并且基极和集电极通过电阻器(110)连接的晶体管(111),所述基极通过电阻器(110)连接到电源端子(117) 112,113)。
    • 10. 发明申请
    • FAST TURN ON SYSTEM FOR A SYNTHESIZED SOURCE SIGNAL
    • 快速开启合成信号源的系统
    • WO2014150902A1
    • 2014-09-25
    • PCT/US2014/024494
    • 2014-03-12
    • HITTITE MICROWAVE CORPORATION
    • CLOUTIER, Mark, M.BACHMANEK, GregPAMIR, Tolga
    • H03L7/16H03L7/18H03L7/181
    • H03L7/00H03F1/30H03F3/00H03F3/195H03F3/45475H03F3/72H03F2200/451H03F2200/453H03F2200/459H03G3/348
    • A fast turn on compensation system for a synthesized signal source includes a synthesized signal source coupled to a power supply and configured to generate a phase stable radio frequency (RF) output signal. A mute amplifier is coupled to the synthesized signal source and the power supply. A dummy amplifier is coupled to the mute amplifier and the power supply. A mute controller is coupled to the mute amplifier and the dummy amplifier, the mute controller is responsive to an enable signal and configured to enable the dummy amplifier and disable the mute amplifier when no RF output signal is being generated and disable the dummy amplifier and enable the mute amplifier when the RF output signal is being generated such that total power supply current delivered to the synthesized signal source and the dummy amplifier or mute amplifier is approximately constant before, during, and after enabling the mute amplifier to reduce phase disturbance of the RF output signals.
    • 用于合成信号源的快速启动补偿系统包括耦合到电源并被配置为产生相位稳定射频(RF)输出信号的合成信号源。 静音放大器耦合到合成信号源和电源。 虚拟放大器耦合到静音放大器和电源。 静音控制器耦合到静音放大器和虚拟放大器,静音控制器响应于使能信号,并配置为使能虚拟放大器,并且在没有产生RF输出信号时禁用静音放大器,并禁用虚拟放大器并使能 静音放大器当RF输出信号被产生时,使得在使能静音放大器减少RF的相位扰动之前,期间和之后传送到合成信号源和虚拟放大器或静音放大器的总电源电流几乎恒定 输出信号。