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公开(公告)号：WO2006086924A1
公开(公告)日：2006-08-24
申请号：PCT/CN2006/000127
申请日：2006-02-16
Applicant: TUBE AMP SDN. BHD. , TUBE AMP LIMITED , WONG, Pak, Koon , LAU, Ming, Ing
Inventor： WONG, Pak, Koon , LAU, Ming, Ing
IPC: H03F3/42
CPC classification number: H03F3/30 , H03F1/0211 , H03F1/20 , H03F1/34 , H03F1/52 , H03F3/02 , H03F3/181 , H03F3/21 , H03F3/3033 , H03F3/42 , H03F2200/03 , H03F2200/549
Abstract: There is disclosed an apparatus for amplification comprises of a front-end input stage (110) having a driver module (120), multi-feedback port (102), a phase inversion stage (130) with improved signal coupling, distributed negative feedback (300) and an output stage (150) with asymmetry output device. The apparatus also includes a balanced equalization method using negative feedback where the output stage providing negative multiple feedback together with predetermined output impedance, separated bias control and signal drive for each of the output device. Power supply (250) is implemented having dual power transformer (230) which provides compensated bias for the output device. In the preferred embodiment, the apparatus also includes means to increase slew rate, means for providing distributed negative feedback to reduce phase shift, means to bootstrap upper output device, means for differential adjustment for feedback, means to drive high voltage and current drive signal. Short circuit protection for speaker, means to minimize lethal DC output at output terminal, means for obtaining suitable high tension voltage and bias circuit and output stage having all devices separately fused to provide indication of faulty output device are also disclosed.
Abstract translation: 公开了一种用于放大的装置，包括具有驱动器模块（120）的前端输入级（110），多反馈端口（102），具有改进的信号耦合的相位反转级（130），分布式负反馈 300）和具有不对称输出装置的输出级（150）。 该装置还包括使用负反馈的平衡均衡方法，其中输出级提供负多重反馈以及每个输出装置的预定输出阻抗，分离的偏置控制和信号驱动。 电源（250）实现了具有为输出设备提供补偿偏置的双电源变压器（230）。 在优选实施例中，该装置还包括增加压摆率的装置，用于提供分布式负反馈以减少相移的装置，用于自举上输出装置的装置，用于反馈的差分调整装置，驱动高电压和电流驱动信号的装置。 扬声器的短路保护，意味着最小化输出端子处的致死直流输出，用于获得合适的高压电压和偏置电路的装置以及具有单独熔断的所有装置的输出级以提供故障输出装置的指示。
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公开(公告)号：WO2012079090A3
公开(公告)日：2014-04-10
申请号：PCT/US2011064489
申请日：2011-12-12
Applicant: MARVELL WORLD TRADE LTD , CYRUSIAN SASAN
Inventor： CYRUSIAN SASAN
IPC: H03K5/22
CPC classification number: G06F1/3287 , G06F1/3234 , H03F1/0266 , H03F1/0272 , H03F1/0283 , H03F3/185 , H03F3/2173 , H03F3/2178 , H03F3/3022 , H03F3/3033 , H03F3/45183 , H03F3/4521 , H03F3/45475 , H03F3/72 , H03F2200/03 , H03F2200/264 , H03F2200/27 , H03F2200/321 , H03F2200/75 , H03F2200/78 , H03F2203/45466 , H03F2203/45471 , H03F2203/45504 , H03F2203/45506 , H03F2203/45512 , H03F2203/45674 , H03F2203/45726 , H03F2203/7203
Abstract: A circuit method includes periodically increasing a tail current of a differential stage of a comparator to periodically power on the differential stage to a power-on state, and periodically decreasing the tail current of the differential stage to periodically power down the differential stage to a low-power state. The periodically increasing of the tail current and the periodically decreasing of the tail current are asynchronous operations for powering on the differential stage to the power-on state and powering down the differential stage to the low-power state. Periodically increasing the tail current and the periodically decreasing the tail current asynchronously for powering on the differential stage to the power-on state and powering down the differential stage to the low-power state provide for low noise and high speed during signal comparison.
Abstract translation: 一种电路方法包括周期性地增加比较器的差分级的尾电流，以将差分级周期性地上电到上电状态，并且周期性地减小差分级的尾电流以周期性地将差分级降低到低 电力状态。 尾电流的周期性增加和尾电流的周期性减小是用于将差动级上电到上电状态的异步操作，并且将差动级下电至低功率状态。 周期性地增加尾电流并且不同步地周期性地减小尾电流以将差分级上电到上电状态，并将差分级上电到低功率状态，在信号比较期间提供低噪声和高速度。
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公开(公告)号：WO2012079090A2
公开(公告)日：2012-06-14
申请号：PCT/US2011/064489
申请日：2011-12-12
Applicant: MARVELL WORLD TRADE LTD , CYRUSIAN, Sasan
Inventor： CYRUSIAN, Sasan
CPC classification number: G06F1/3287 , G06F1/3234 , H03F1/0266 , H03F1/0272 , H03F1/0283 , H03F3/185 , H03F3/2173 , H03F3/2178 , H03F3/3022 , H03F3/3033 , H03F3/45183 , H03F3/4521 , H03F3/45475 , H03F3/72 , H03F2200/03 , H03F2200/264 , H03F2200/27 , H03F2200/321 , H03F2200/75 , H03F2200/78 , H03F2203/45466 , H03F2203/45471 , H03F2203/45504 , H03F2203/45506 , H03F2203/45512 , H03F2203/45674 , H03F2203/45726 , H03F2203/7203
Abstract: A circuit method includes periodically increasing a tail current of a differential stage of a comparator to periodically power on the differential stage to a power-on state, and periodically decreasing the tail current of the differential stage to periodically power down the differential stage to a low-power state. The periodically increasing of the tail current and the periodically decreasing of the tail current are asynchronous operations for powering on the differential stage to the power-on state and powering down the differential stage to the low-power state. Periodically increasing the tail current and the periodically decreasing the tail current asynchronously for powering on the differential stage to the power-on state and powering down the differential stage to the low-power state provide for low noise and high speed during signal comparison.
Abstract translation: 一种电路方法包括周期性地增加比较器的差分级的尾电流，以将差分级周期性地上电到上电状态，并且周期性地减小差分级的尾电流以周期性地将差分级降低到低 电力状态。 尾电流的周期性增加和尾电流的周期性减少是异步操作，用于将差动级上电至上电状态，并将差分级上电至低功率状态。 周期性地增加尾电流并且不同步地周期性地减小尾电流以将差动级上电到上电状态，并且将差动级下电到低功率状态，在信号比较期间提供低噪声和高速度。
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公开(公告)号：WO2003036792A1
公开(公告)日：2003-05-01
申请号：PCT/IB2002/004338
申请日：2002-10-18
Inventor： VERSTEEGEN, Marius, G., J.
IPC: H03F3/45
CPC classification number: H03F3/3033 , H03F3/45475
Abstract: The invention relates to a power amplifier module comprising single-ended amplifiers (101 and 102) which are arranged in a BTL configuration. The single-ended amplifiers (101 and 102) have low-impedance inverting inputs coupled by a resistor R1 for improved stability and quiescent current control.
Abstract translation: 本发明涉及一种包括布置在BTL配置中的单端放大器（101和102）的功率放大器模块。 单端放大器（101和102）具有通过电阻器R1耦合的低阻抗反相输入，以提高稳定性和静态电流控制。
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