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1. 发明授权

US08447046B2 Circuit with three-stage of power-on sequence used for suppressing the pop noise in audio system 有权
标题翻译：具有三级上电序列的电路用于抑制音频系统中的流行噪声
公开(公告)号：US08447046B2
公开(公告)日：2013-05-21
申请号：US13005609
申请日：2011-01-13
申请人： Hsin-Chieh Huang , Yi-Lung Chen
发明人： Hsin-Chieh Huang , Yi-Lung Chen
IPC分类号： H04B15/00
CPC分类号： H03F3/187 , H03F1/305 , H03F3/45475 , H04R3/007
摘要： The present invention discloses a circuit with three-stage of power-on sequence used for suppressing the pop noise in audio system. It mainly comprises a first resistor (R1); a capacitor (Cout); a first switch (SW1); a second switch (SW2); a soft start device; a first feedback amplifier; and a second feedback amplifier. By using the three-stage of power-on sequence, the present invention can effectively suppress the pop noise when the audio driver is power on.
摘要翻译：本发明公开了一种具有用于抑制音频系统中的流行噪声的三阶段上电序列的电路。它主要包括第一电阻（R1）; 电容器（Cout）; 第一开关（SW1）; 第二开关（SW2）; 软起动装置; 第一反馈放大器; 和第二反馈放大器。通过使用三级上电序列，本发明可以有效地抑制音频驱动器接通时的弹出噪声。

2. 发明申请

US20120183155A1 CIRCUIT WITH THREE-STAGE OF POWER-ON SEQUENCE USED FOR SUPPRESSING THE POP NOISE IN AUDIO SYSTEM 有权
标题翻译：具有用于抑制音频系统中的音频噪声的电源序列的三个阶段的电路
公开(公告)号：US20120183155A1
公开(公告)日：2012-07-19
申请号：US13005609
申请日：2011-01-13
申请人： Hsin-Chieh HUANG , Yi-Lung Chen
发明人： Hsin-Chieh HUANG , Yi-Lung Chen
IPC分类号： H04B15/00
CPC分类号： H03F3/187 , H03F1/305 , H03F3/45475 , H04R3/007
摘要： The present invention discloses a circuit with three-stage of power-on sequence used for suppressing the pop noise in audio system. It mainly comprises a first resistor (R1); a capacitor (Cout); a first switch (SW1); a second switch (SW2); a soft start device; a first feedback amplifier; and a second feedback amplifier. By using the three-stage of power-on sequence, the present invention can effectively suppress the pop noise when the audio driver is power on.
摘要翻译：本发明公开了一种具有用于抑制音频系统中的流行噪声的三阶段上电序列的电路。它主要包括第一电阻（R1）; 电容器（Cout）; 第一开关（SW1）; 第二开关（SW2）; 软起动装置; 第一反馈放大器; 和第二反馈放大器。通过使用三级上电序列，本发明可以有效地抑制音频驱动器接通时的弹出噪声。

3. 发明申请

US20130259267A1 AUDIO AMPLIFIER APPARATUS 有权
标题翻译：音频放大器装置
公开(公告)号：US20130259267A1
公开(公告)日：2013-10-03
申请号：US13469085
申请日：2012-05-10
申请人： Yi-Lung Chen , Hsin-Chieh Huang
发明人： Yi-Lung Chen , Hsin-Chieh Huang
IPC分类号： H03F99/00
CPC分类号： H03F1/305 , H03F3/187 , H03F3/211 , H03F2203/21109 , H03F2203/21175 , H03F2203/21196
摘要： An audio amplifier apparatus for driving a loudspeaker is provided. The audio amplifier apparatus includes a soft charge unit, a first amplification module, and a second amplification module. The soft charge unit is coupled to the loudspeaker through an output terminal and supplies a driving current according to a first control signal to soft charge the loudspeaker, so as to gradually increase a voltage level on the output terminal. The first amplification module receives an audio signal according to the first control signal and amplifies the audio signal to output a first amplified signal for driving the loudspeaker. The second amplification module receives the audio signal according to a second control signal and amplifies the audio signal to output a second amplified signal for driving the loudspeaker. The soft charge unit generates the second control signal by comparing the voltage level on the output terminal with a predetermined voltage level.
摘要翻译：提供一种用于驱动扬声器的音频放大器装置。音频放大器装置包括软充电单元，第一放大模块和第二放大模块。软充电单元通过输出端子耦合到扬声器，并且根据第一控制信号提供驱动电流以对扬声器进行软充电，以便逐渐增加输出端子上的电压电平。第一放大模块根据第一控制信号接收音频信号，并放大音频信号以输出用于驱动扬声器的第一放大信号。第二放大模块根据第二控制信号接收音频信号，并放大音频信号以输出用于驱动扬声器的第二放大信号。软充电单元通过将输出端子上的电压电平与预定电压电平进行比较来产生第二控制信号。

4. 发明授权

US09257942B2 Audio amplifier apparatus 有权
标题翻译：音频放大器装置
公开(公告)号：US09257942B2
公开(公告)日：2016-02-09
申请号：US13469085
申请日：2012-05-10
申请人： Yi-Lung Chen , Hsin-Chieh Huang
发明人： Yi-Lung Chen , Hsin-Chieh Huang
IPC分类号： H03F99/00 , H03F1/30 , H03F3/187 , H03F3/21
CPC分类号： H03F1/305 , H03F3/187 , H03F3/211 , H03F2203/21109 , H03F2203/21175 , H03F2203/21196
摘要： An audio amplifier apparatus for driving a loudspeaker is provided. The audio amplifier apparatus includes a soft charge unit, a first amplification module, and a second amplification module. The soft charge unit is coupled to the loudspeaker through an output terminal and supplies a driving current according to a first control signal to soft charge the loudspeaker, so as to gradually increase a voltage level on the output terminal. The first amplification module receives an audio signal according to the first control signal and amplifies the audio signal to output a first amplified signal for driving the loudspeaker. The second amplification module receives the audio signal according to a second control signal and amplifies the audio signal to output a second amplified signal for driving the loudspeaker. The soft charge unit generates the second control signal by comparing the voltage level on the output terminal with a predetermined voltage level.
摘要翻译：提供一种用于驱动扬声器的音频放大器装置。音频放大器装置包括软充电单元，第一放大模块和第二放大模块。软充电单元通过输出端子耦合到扬声器，并且根据第一控制信号提供驱动电流以对扬声器进行软充电，以便逐渐增加输出端子上的电压电平。第一放大模块根据第一控制信号接收音频信号，并放大音频信号以输出用于驱动扬声器的第一放大信号。第二放大模块根据第二控制信号接收音频信号，并放大音频信号以输出用于驱动扬声器的第二放大信号。软充电单元通过将输出端子上的电压电平与预定电压电平进行比较来产生第二控制信号。

5. 发明授权

US08451047B2 Circuit used for indicating process corner and extreme temperature 有权
标题翻译：用于指示过程角和极端温度的电路
公开(公告)号：US08451047B2
公开(公告)日：2013-05-28
申请号：US13109858
申请日：2011-05-17
申请人： Yi-Lung Chen
发明人： Yi-Lung Chen
IPC分类号： G01K7/01
CPC分类号： G01K3/10
摘要： A circuit used for indicating process corner and extreme temperature mainly comprises a proportional to absolute temperature (PTAT) current source, a negative to absolute temperature (NTAT) current source, a constant to absolute temperature (CTAT) current source, a corner detector, a poly detector, an extreme temperature detector. The circuit can improve more power consumption without trade-off. In debug phase, the circuit can read out a state of a suspect sample and can run simulation check quickly to identify the real problem. In production phase, the circuit can easily read out at a processing station. In the mean time, a large quantity of data can be easily collected and analyzed.
摘要翻译：用于指示过程角和极端温度的电路主要包括与绝对温度（PTAT）电流源，负绝对温度（NTAT）电流源，恒定到绝对温度（CTAT）电流源，角检测器，聚合物检测器，极端温度检测器。该电路可以在不折中的情况下提高功耗。在调试阶段，电路可以读出可疑样品的状态，并可以快速运行模拟检查，以确定真实问题。在生产阶段，电路可以方便地在处理站读出。同时，可以容易地收集和分析大量的数据。

6. 发明授权

US08536907B2 Power on reset signal generating apparatus and method 有权
标题翻译：上电复位信号发生装置及方法
公开(公告)号：US08536907B2
公开(公告)日：2013-09-17
申请号：US13244279
申请日：2011-09-24
申请人： Yi-Lung Chen
发明人： Yi-Lung Chen
IPC分类号： H03L7/00
CPC分类号： G06F1/24 , H03K17/223
摘要： A power on reset signal generating apparatus is provided. The power on reset signal generating apparatus includes a trigger capacitor, a reference current supplying circuit, and a current regulator. One end of the trigger capacitor is coupled to a ground voltage, and the other end of the trigger capacitor generates a power on reset signal. The reference current supplying circuit is coupled to a signal generating end. The current regulator is coupled to the signal generating end, and the signal generating end draws a splitting current to adjust the value of the current received by the trigger capacitor.
摘要翻译：提供了上电复位信号发生装置。上电复位信号发生装置包括触发电容器，参考电流供给电路和电流调节器。触发电容器的一端耦合到接地电压，触发电容的另一端产生上电复位信号。参考电流提供电路耦合到信号产生端。电流调节器耦合到信号产生端，并且信号产生端抽取分流电流以调整触发电容接收的电流的值。

7. 发明申请

US20130154696A1 CHARGE PUMP CIRCUIT AND PHASE LOCK LOOP CIRCUIT 审中-公开
标题翻译：充电泵电路和相位锁定环路
公开(公告)号：US20130154696A1
公开(公告)日：2013-06-20
申请号：US13327765
申请日：2011-12-16
申请人： Yi-Lung Chen
发明人： Yi-Lung Chen
IPC分类号： H03L7/093 , G05F3/02
CPC分类号： H02M3/07 , H03L7/089 , H03L7/18
摘要： A charge pump circuit is provided. The charge pump circuit includes a current driving unit, a current draining unit, a switch, and a voltage splitting circuit. The current driving circuit receives a first control signal to transmit a driving current to the first end or the second end according to the first control signal. The current draining unit receives a second control signal to drain a draining current from the first end or the second end according to the second control signal. The switch is coupled between the first end and the second end, and the switch is turned on or turned off according to a power down control signal. The voltage splitting circuit receives a reference power voltage, and is coupled to the first end. The voltage splitting circuit provides a splitting power to the first end by splitting the voltage of the reference power voltage.
摘要翻译：提供电荷泵电路。电荷泵电路包括电流驱动单元，电流消耗单元，开关和分压电路。电流驱动电路根据第一控制信号接收第一控制信号以将驱动电流传输到第一端或第二端。电流排出单元接收第二控制信号，以根据第二控制信号从第一端或第二端排出排水电流。开关耦合在第一端和第二端之间，并且根据断电控制信号将开关导通或关断。分压电路接收参考电源电压，并且耦合到第一端。分压电路通过分压参考电源电压的电压来向第一端提供分流功率。

8. 发明授权

US08451051B2 Dual mode sigma delta analog to digital converter and circuit using the same 有权
标题翻译：双模Σ-Δ模数转换器和电路使用相同
公开(公告)号：US08451051B2
公开(公告)日：2013-05-28
申请号：US13252981
申请日：2011-10-04
申请人： Yi-Lung Chen
发明人： Yi-Lung Chen
IPC分类号： H03K5/00 , H03M3/00
CPC分类号： H03M3/396 , H04B1/30
摘要： The present invention provides a dual mode sigma delta analog to digital converter (ADC), which only in one hardware implementation, used for low IF and near zero IF receiver. The dual mode sigma delta ADC comprises a first switched-capacitor integrator; a second switched-capacitor integrator; a quantizer; a feedback circuit and a mode device. By switching the mode device on or off, one could easily change the configuration of the disclosed ADC to decide the receiving signal falling in low-IF or near zero IF.
摘要翻译：本发明提供了一种仅在一个硬件实现中用于低IF和近零IF接收机的双模Σ-Δ模数转换器（ADC）。双模Σ-ΔADC包括第一开关电容积分器; 第二开关电容器积分器; 量化器反馈电路和模式设备。通过打开或关闭模式设备，可以轻松地改变所公开的ADC的配置，以确定接收信号落入低IF或接近零IF。

9. 发明授权

US07907021B2 Two-step VCO calibration method 有权
标题翻译：两步VCO校准方法
公开(公告)号：US07907021B2
公开(公告)日：2011-03-15
申请号：US12204979
申请日：2008-09-05
申请人： Yi-Lung Chen
发明人： Yi-Lung Chen
IPC分类号： G01R23/00
CPC分类号： H03L7/099
摘要： The present invention discloses a two-step VCO calibration method. The two-step VCO calibration method, comprising power-on calibration, used to provide a coarse VCO tuning; real-time calibration, used to provide a fine VCO tuning according to the loaded result of said power-on calibration. The two-step VCO calibration method according to the present invention can cover all the variation of process and temperature and gain the advantages of shorter calibration time, smaller gain of VCO, pretty smaller size of passive loop filter and less operating power consumption.
摘要翻译：本发明公开了一种两步VCO校准方法。包括上电校准的两步VCO校准方法，用于提供粗略的VCO调谐; 实时校准，用于根据所述上电校准的加载结果提供精细的VCO调谐。根据本发明的两步VCO校准方法可以覆盖过程和温度的所有变化，并获得更短的校准时间，更小的VCO增益，更小的无源环路滤波器的尺寸以及较少的工作功耗的优点。

10. 发明授权

US08836302B2 Low dropout voltage regulator and electronic device thereof 有权
标题翻译：低压差稳压器及其电子器件
公开(公告)号：US08836302B2
公开(公告)日：2014-09-16
申请号：US13620929
申请日：2012-09-15
申请人： Yi-Lung Chen
发明人： Yi-Lung Chen
IPC分类号： G05F1/56
CPC分类号： G05F1/56
摘要： A low dropout voltage regulator is provided. The low dropout voltage regulator includes a comparison unit, a buck unit, a feedback unit and a current-drawing unit. The comparison unit is used for receiving a reference voltage and a feedback voltage, and comparing the reference voltage and the feedback voltage to output a first voltage. The buck unit is used for receiving an input voltage and the first voltage and transferring the input voltage to a output voltage. The feedback unit is used for receiving the output voltage, and converting the output voltage to a feedback voltage, and then transmitting the feedback voltage to the comparison unit. The current-drawing unit determines whether to draw a portion of a first current generated by the buck unit, so as to stabilize the output voltage.
摘要翻译：提供了一个低压差稳压器。低压差稳压器包括比较单元，降压单元，反馈单元和电流绘制单元。比较单元用于接收参考电压和反馈电压，并且比较参考电压和反馈电压以输出第一电压。降压单元用于接收输入电压和第一电压，并将输入电压转换为输出电压。反馈单元用于接收输出电压，并将输出电压转换为反馈电压，然后将反馈电压发送到比较单元。电流绘制单元确定是否绘制由降压单元产生的第一电流的一部分，以便稳定输出电压。

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