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    • 3. 发明申请
    • START-UP CIRCUITS
    • 启动电路
    • WO2016203237A1
    • 2016-12-22
    • PCT/GB2016/051790
    • 2016-06-16
    • NORDIC SEMICONDUCTOR ASASAMUELS, Adrian James
    • CORBISHLEY, Phil
    • G05F3/30
    • G05F3/262G05F3/30
    • A start-up circuit (2) arranged to initialise a circuit portion (4) with a zero stable point (200) and a non-zero stable point (202). The start-up circuit comprises: a capacitive voltage divider including a first capacitor (16) and a second capacitor (18) that generate a divider bias voltage at a divider node (48); a differential amplifier including first and second amplifier inputs (20, 22) and an amplifier output connected to the divider node; a first driver transistor (12) with its gate terminal connected to the divider node, and its drain terminal connected to a first start-up output and the first amplifier input; and a second driver transistor (14) with its gate terminal connected to the divider node, and its drain terminal connected to a second start-up output and the second amplifier input. The differential amplifier controls the divider bias voltage and drives the circuit portion to the non-zero stable point.
    • 一种启动电路(2),被布置成用零稳定点(200)和非零稳定点(202)初始化电路部分(4)。 启动电路包括:电容分压器,包括在分频器节点(48)处产生分压偏置电压的第一电容器(16)和第二电容器(18)。 差分放大器,包括第一和第二放大器输入(20,22)和连接到分频器节点的放大器输出; 第一驱动晶体管(12),其栅极端子连接到分压器节点,其漏极端子连接到第一启动输出端和第一放大器输入端; 以及第二驱动晶体管(14),其栅极端子连接到分压器节点,其漏极端子连接到第二启动输出端和第二放大器输入端。 差分放大器控制分压偏置电压,并将电路部分驱动到非零稳定点。
    • 4. 发明申请
    • LOW DROPOUT REGULATOR BLEEDING CURRENT CIRCUITS AND METHODS
    • 低压差调节器出流电路和方法
    • WO2016122977A3
    • 2016-09-22
    • PCT/US2016014472
    • 2016-01-22
    • QUALCOMM INC
    • PELUSO VINCENZOLIU BING
    • G05F1/575
    • G05F1/575G05F3/16G05F3/26G05F3/262
    • The present disclosure includes circuits and methods for generating bleeding currents. In one embodiment, a pass transistor of a voltage regulator receives a voltage from a feedback circuit. A negative resistance circuit is coupled to a node to produce a bleeding current that turns on when needed and is otherwise off to save power. In one embodiment, the negative resistance circuit includes stacked current mirrors and a resistor. In another embodiment, the resistor has a first terminal that receives the voltage from the feedback circuit and a second terminal is coupled to a constant reference voltage that tracks the input voltage.
    • 本公开包括用于产生放电电流的电路和方法。 在一个实施例中,电压调节器的传输晶体管从反馈电路接收电压。 负电阻电路耦合到节点以产生放电电流,该电流在需要时开启,否则关闭以节省电力。 在一个实施例中,负阻电路包括堆叠的电流镜和电阻器。 在另一个实施例中,电阻器具有第一端子和第二端子,第一端子接收来自反馈电路的电压,第二端子连接至跟踪输入电压的恒定参考电压。
    • 5. 发明申请
    • SOLID STATE SWITCH RELAY
    • 固态开关继电器
    • WO2016083251A1
    • 2016-06-02
    • PCT/EP2015/077188
    • 2015-11-20
    • BANG & OLUFSEN A/S
    • SELMER JENSEN, Jørgen
    • H03K17/16H03K17/687
    • H03K17/162G05F3/262H03F3/183H03F3/21H03F2200/03H03K17/163H03K17/6874H03K2217/0009H03K2217/0054
    • A solid state relay and a method for controlling a signal path between an AC-signal output and a load in a power amplifier assembly are disclosed. The relay comprises a first and a second MOSFET having a common gate junction, a common source junction and wherein and wherein a drain terminal of a first MOSFET and a drain terminal of a second MOSFET form relay terminals. The solid state relay further comprises a control circuit comprising a positive side comprising a first controlled current generator configured to provide a first control current to the gate junction, and a negative side comprising a current mirror circuit configured to sink a second current from the source junction. Hereby, a generic solid state speaker relay has been disclosed. The relay performs up to the most stringent demands regarding pop/click on high quality products. It can be used to ground wire break, hot wire break and BTL (Bridge Tied Load) break. The design is rather tolerable to different MOSFETs and very competitive in quality and price.
    • 公开了一种固态继电器和用于控制功率放大器组件中的AC信号输出和负载之间的信号路径的方法。 继电器包括具有公共栅极结,公共源极结的第一和第二MOSFET,并且其中第一MOSFET的漏极端和第二MOSFET的漏极端子形成中继端子。 固态继电器还包括控制电路,该控制电路包括正极侧,该正极侧包括配置成向栅极结提供第一控制电流的第一受控电流发生器,以及包括电流镜电路的负侧,该电流镜电路被配置为从源极接头 。 因此,已经公开了通用固态扬声器继电器。 继电器对高品质产品的流行/点击产生最严格的要求。 可用于接地断线,热断线和BTL(桥接负载)断线。 该设计对于不同的MOSFET是相当容忍的,并且在质量和价格方面非常有竞争力。
    • 9. 发明申请
    • MULTI-CURRENT-SOURCE AND METHOD FOR REGULATING CURRENT
    • 多电流源和调节电流的方法
    • WO2011026686A1
    • 2011-03-10
    • PCT/EP2010/060499
    • 2010-07-20
    • AUSTRIAMICROSYSTEMS AGSINGNURKAR, Pramod
    • SINGNURKAR, Pramod
    • G05F1/56G05F3/26H05B37/02
    • G05F1/561G05F3/262H05B33/0812Y02B20/345Y10T307/352
    • A multi-current-source comprises a voltage converter (VC), a first current source (CS1) with a first terminal (A1) which is adapted to be coupled to an output (OUT) of a voltage converter (VC) and with a second terminal (B1) which is adapted to be coupled to an input (IN) of the voltage converter (VC), at least a second current source (CS2) with a first terminal (A2) which is adapted to be coupled to the output (OUT) of the voltage converter (VC) and with a second terminal (B2) which is adapted to be coupled to the input (IN) of the voltage converter (VC), wherein the first current source (CS1) being adapted to provide a first load current (Il1) at its first terminal (A1) the first load current (Il1) being regulated to a first constant value and to provide a first unidirectional error current (Ierr1) at its second terminal (B1), wherein the at least one second current source (CS2) being adapted to provide a second load current (Il2) at its first terminal (A2), the second load current (Il2) being regulated to a second constant value and to provide a second unidirectional error current (Ierr2) at its second terminal (B2), such that a sum of the first unidirectional error current (Ierr1) and the second unidirectional error current (Ierr2) adjusts the first and the second load current (Il1, Il2).
    • 多电流源包括电压转换器(VC),具有适于耦合到电压转换器(VC)的输出(OUT)的第一端子(A1)的第一电流源(CS1) 适于耦合到电压转换器(VC)的输入(IN)的第二端子(B1),至少第二电流源(CS2),其具有适于耦合到输出端的第一端子(A2) (VC)的输出端(OUT),以及适于耦合到电压转换器(VC)的输入端(IN)的第二端子(B2),其中第一电流源(CS1)适于提供 在其第一端(A1)处的第一负载电流(Il1)将第一负载电流(I1)调节到第一恒定值,并在其第二端(B1)提供第一单向误差电流(Ierr1),其中, 至少一个第二电流源(CS2)适于在其第一端子(A2)处提供第二负载电流(I1),所述第二负载电流 Il2)被调节到第二恒定值并且在其第二端子(B2)处提供第二单向误差电流(Ierr2),使得第一单向误差电流(Ierr1)和第二单向误差电流(Ierr2)之和 调整第一和第二负载电流(Il1,Il2)。
    • 10. 发明申请
    • A CURRENT MIRROR, DEVICES INCLUDING SAME, AND METHODS OF OPERATION THEREOF
    • 电流镜,包括其的装置及其操作方法
    • WO2010151598A1
    • 2010-12-29
    • PCT/US2010/039680
    • 2010-06-23
    • QUALCOMM IncorporatedRANJAN, Mahim
    • RANJAN, Mahim
    • G05F3/26
    • G05F3/262
    • Exemplary embodiments are directed to a current mirror and method of operation thereof. A method may include biasing a first transistor with a voltage at a gate of a second transistor to cause the first transistor to conduct, wherein the first transistor has a source operably coupled to a drain of a third transistor and a drain operably coupled to a gate of the third transistor. The method may also include providing an input current at the drain of the third transistor. Moreover, the method may include decreasing or increasing a voltage at the gate of the first transistor when a voltage at the gate of the second transistor and the drain of the first transistor respectively decreases or increases. Furthermore, the method may include generating an output current in a drain of a fourth transistor having a gate operably coupled to the gate of the third transistor.
    • 示例性实施例涉及电流镜及其操作方法。 一种方法可以包括利用在第二晶体管的栅极处的电压来偏置第一晶体管以使第一晶体管导通,其中第一晶体管具有可操作地耦合到第三晶体管的漏极的源极和可操作地耦合到栅极的漏极 的第三晶体管。 该方法还可以包括在第三晶体管的漏极处提供输入电流。 此外,当第二晶体管的栅极处的电压和第一晶体管的漏极分别减小或增加时,该方法可以包括降低或增加第一晶体管的栅极处的电压。 此外,该方法可以包括在具有可操作地耦合到第三晶体管的栅极的栅极的第四晶体管的漏极中产生输出电流。