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    • 7. 发明授权
    • Power controller
    • 电源控制器
    • US06980780B2
    • 2005-12-27
    • US09855511
    • 2001-05-16
    • Chieh-Sheng ChenKeng-Li Su
    • Chieh-Sheng ChenKeng-Li Su
    • H03F3/19H03G3/30H04B1/04
    • H03G3/3042H03F3/19H04B2001/0416
    • An apparatus for power controlling in a transmitter for detecting the output power without using a power coupler includes a plurality of stage amplifiers, a plurality of matching circuits, at least one power detector, and a bias control circuit. The stage amplifiers receive an emission signal and amplify the power thereof. The matching circuits are connected between the stage amplifiers for matching with the stage amplifiers, respectively. The power detector detects the power of the stage amplifiers and generates detection signals, respectively. The bias control circuit receives the detection signals of the power detector, thereby generating a bias of each of the stage amplifiers in order to optimize the efficiency of each of the stage amplifiers according to the magnitude of the power of each of the stage amplifiers.
    • 一种用于在不使用功率耦合器的情况下检测输出功率的发射机中的功率控制的装置包括多个级放大器,多个匹配电路,至少一个功率检测器和偏置控制电路。 舞台放大器接收发射信号并放大其功率。 匹配电路分别连接在级放大器之间,以与舞台放大器匹配。 功率检测器检测级放大器的功率,分别产生检测信号。 偏置控制电路接收功率检测器的检测信号,从而产生每个级放大器的偏置,以便根据每个级放大器的功率的大小优化每个级放大器的效率。
    • 8. 发明授权
    • Memory and multi-state sense amplifier thereof
    • 存储器和多状态读出放大器
    • US07539068B2
    • 2009-05-26
    • US11797725
    • 2007-05-07
    • Min-Chuan WangChing-Sheng LinChia-Pao ChangKeng-Li Su
    • Min-Chuan WangChing-Sheng LinChia-Pao ChangKeng-Li Su
    • G11C7/10
    • G11C7/14G11C7/06G11C7/062G11C11/5642G11C2207/063G11C2211/5634G11C2211/5645
    • The invention provides a multi-state sense amplifier, coupled to at least one memory cell and a plurality of reference cells. The source follower, coupled between a first node and the output terminal of the memory cell, clamps the voltage drop across the memory cell to generate a memory cell current flowing through the first node. The source follower circuit, coupled between a plurality of second nodes and the output terminals of the reference cells, clamps the voltage drops across the reference cells to generate a plurality of reference currents respectively flowing through the second nodes. The current mirror circuit, coupled to the first node and the second nodes, duplicates the memory cell current of the first node to affect the reference currents on the second nodes, thereby generating a memory cell voltage on the first node and a plurality of reference voltages on the second nodes.
    • 本发明提供一种耦合到至少一个存储单元和多个参考单元的多状态读出放大器。 耦合在第一节点和存储器单元的输出端之间的源极跟随器钳位在存储器单元两端的电压降,以产生流经第一节点的存储单元电流。 耦合在多个第二节点和参考单元的输出端子之间的源极跟随器电路钳位参考单元上的电压降,以产生分别流过第二节点的多个参考电流。 耦合到第一节点和第二节点的电流镜像电路复制第一节点的存储器单元电流,以影响第二节点上的参考电流,从而在第一节点上产生存储单元电压,并产生多个参考电压 在第二个节点上。
    • 9. 发明授权
    • Multi-state sense amplifier
    • 多状态读出放大器
    • US07486546B2
    • 2009-02-03
    • US11806636
    • 2007-06-01
    • Min-Chuan WangChih-Sheng LinChia-Pao ChangKeng-Li Su
    • Min-Chuan WangChih-Sheng LinChia-Pao ChangKeng-Li Su
    • G11C11/00
    • G11C7/062G11C7/06G11C11/1673G11C11/5607G11C2207/063G11C2211/5634G11C2211/5645
    • The invention provides a multi-state sense amplifier, coupled to at least one memory cell with changeable resistance and a plurality of reference cells. The first current mirror circuit, coupled to the output terminal of the memory cell, generates a second memory cell current at a first node according to a first memory cell current through the memory cell. The second current mirror circuit, coupled to the output terminal of the reference cells, generates a plurality of second reference currents at a plurality of second nodes according to a plurality of first reference currents through the reference cells. The load circuit, coupled to the first node, the second nodes, and a ground, provides equal loads for the second memory cell current and the second reference currents to respectively generate a memory cell voltage at the first node and a plurality of reference voltages at the second nodes.
    • 本发明提供一种多状态读出放大器,耦合到具有可变电阻的至少一个存储单元和多个参考单元。 耦合到存储器单元的输出端的第一电流镜电路根据通过存储单元的第一存储单元电流在第一节点产生第二存储单元电流。 耦合到参考单元的输出端的第二电流镜电路根据通过参考单元的多个第一参考电流在多个第二节点处产生多个第二参考电流。 耦合到第一节点,第二节点和地的负载电路为第二存储器单元电流和第二参考电流提供相等的负载,以分别在第一节点处产生存储单元电压和多个参考电压 第二个节点。
    • 10. 发明申请
    • Multi-state sense amplifier
    • 多状态读出放大器
    • US20080007992A1
    • 2008-01-10
    • US11806636
    • 2007-06-01
    • Min-Chuan WangChih-Sheng LinChia-Pao ChangKeng-Li Su
    • Min-Chuan WangChih-Sheng LinChia-Pao ChangKeng-Li Su
    • G11C11/02G11C7/06
    • G11C7/062G11C7/06G11C11/1673G11C11/5607G11C2207/063G11C2211/5634G11C2211/5645
    • The invention provides a multi-state sense amplifier, coupled to at least one memory cell with changeable resistance and a plurality of reference cells. The first current mirror circuit, coupled to the output terminal of the memory cell, generates a second memory cell current at a first node according to a first memory cell current through the memory cell. The second current mirror circuit, coupled to the output terminal of the reference cells, generates a plurality of second reference currents at a plurality of second nodes according to a plurality of first reference currents through the reference cells. The load circuit, coupled to the first node, the second nodes, and a ground, provides equal loads for the second memory cell current and the second reference currents to respectively generate a memory cell voltage at the first node and a plurality of reference voltages at the second nodes.
    • 本发明提供一种多状态读出放大器,耦合到具有可变电阻的至少一个存储单元和多个参考单元。 耦合到存储器单元的输出端的第一电流镜电路根据通过存储单元的第一存储单元电流在第一节点产生第二存储单元电流。 耦合到参考单元的输出端的第二电流镜电路根据通过参考单元的多个第一参考电流在多个第二节点处产生多个第二参考电流。 耦合到第一节点,第二节点和接地的负载电路为第二存储器单元电流和第二参考电流提供相等的负载,以分别在第一节点处产生存储器单元电压和多个参考电压 第二个节点。