公开(公告)号：US08269539B2

公开(公告)日：2012-09-18

申请号：US12971617

申请日：2010-12-17

申请人： Kai-Cheung Juang ,  Hsin-Hong Hou ,  Yung-Pin Lee

发明人： Kai-Cheung Juang ,  Hsin-Hong Hou ,  Yung-Pin Lee

IPC分类号： H03K5/12

CPC分类号： H03K19/00361 ,  H03K19/018521 ,  H04L25/0264

摘要： An output stage configured to control a driving voltage thereof is provided. The output stage includes: a first switching current module, coupled to a node for outputting a first current; a second switching current module, coupled to the node for outputting a second current; a switching capacitor module with a capacitance, coupled to the node; a calibrating control circuit, for calibrating the first current, the second current and the capacitance; a time constant calibrating circuit, for generating a reference slew rate, and controlling the calibrating control circuit to selectively calibrate the first current, the second current and the capacitance, such that a ratio of the first current and the capacitance and the ratio of the second current and the capacitance conform to the reference slew rate; and a voltage clamper for setting a high/low voltage range and limiting a amplitude of the driving voltage within the high/low voltage range.

摘要翻译： 提供了用于控制其驱动电压的输出级。 输出级包括：耦合到节点的第一开关电流模块，用于输出第一电流; 第二开关电流模块，耦合到所述节点，用于输出第二电流; 具有耦合到所述节点的电容的开关电容器模块; 校准控制电路，用于校准第一电流，第二电流和电容; 时间常数校准电路，用于产生参考转换速率，以及控制所述校准控制电路选择性地校准所述第一电流，所述第二电流和所述电容，使得所述第一电流和所述电容的比率以及所述第二电流 电流和电容符合参考压摆率; 以及用于设定高/低电压范围并将驱动电压的幅度限制在高/低电压范围内的电压钳位器。

公开(公告)号：US20090167577A1

公开(公告)日：2009-07-02

申请号：US12124174

申请日：2008-05-21

申请人： Kai-Cheung Juang ,  Wei-Hsien Chen ,  Horng-Yuan Shih

发明人： Kai-Cheung Juang ,  Wei-Hsien Chen ,  Horng-Yuan Shih

IPC分类号： H03M1/10

CPC分类号： H03F3/45475 ,  H03F3/45977 ,  H03F2203/45048 ,  H03F2203/45101 ,  H03F2203/45136 ,  H03F2203/45212

摘要： A circuit and a method for calibrating the direct-current offset in the signal output from a signal processing unit are disclosed. The calibration circuit includes a 1-bit quantizer, a control logic unit and a digital-to-analog converter. The 1-bit quantizer is coupled to the output end of the signal processing unit for receiving and detecting a direct-current offset component in the output signal so as to obtain quantization information. The control logic unit is coupled to the 1-bit quantizer for sequentially setting one of a plurality of bits of a compensation value and updating the set bit according to the quantization information. The digital-to-analog converter is coupled to the control logic unit for compensating the direct-current offset component in the signal output from the signal processing unit according to the compensation value.

摘要翻译： 公开了一种用于校准从信号处理单元输出的信号中的直流偏移的电路和方法。 校准电路包括1位量化器，控制逻辑单元和数模转换器。 1位量化器耦合到信号处理单元的输出端，用于接收和检测输出信号中的直流偏移分量，以获得量化信息。 控制逻辑单元耦合到1位量化器，用于顺序地设置补偿值的多个位中的一个，并根据量化信息更新置位。 数模转换器耦合到控制逻辑单元，用于根据补偿值补偿从信号处理单元输出的信号中的直流偏移分量。

公开(公告)号：US08971065B2

公开(公告)日：2015-03-03

申请号：US13198441

申请日：2011-08-04

申请人： Kai-Cheung Juang ,  Tzu-Yi Yang ,  Chung-Lin Tseng ,  Hsuan-Yu Tsai ,  Yung-Hsi Chang

发明人： Kai-Cheung Juang ,  Tzu-Yi Yang ,  Chung-Lin Tseng ,  Hsuan-Yu Tsai ,  Yung-Hsi Chang

IPC分类号： H02M5/458 ,  H02J3/36 ,  H02M1/12 ,  H02M1/14 ,  H02M7/48 ,  H02J3/38

CPC分类号： H02M7/4807 ,  H02J3/383 ,  Y02E10/563

摘要： A system for providing, from a direct current (DC) voltage source, an alternating current (AC) to an electrical grid outputting a grid voltage, the system including: a transformer for coupling to the DC voltage source through a first switch controlled by a first control signal, and configured to provide a converted voltage based on a DC voltage; a rectifier coupled to the transformer, and configured to generate an envelope voltage of the converted voltage; a plurality of switches coupled to the rectifier to receive the generated envelope voltage of the converted voltage, the plurality of switches being controlled by a plurality of control signals, respectively, and configured to generate the AC from the generated envelope voltage of the converted voltage; and control apparatus coupled to the first switch and the plurality of switches, and configured to provide, based on the grid voltage, the first control signal and the plurality of control signals.

摘要翻译： 一种用于从直流（DC）电压源将交流电（AC）提供给输出电网电压的电网的系统，所述系统包括：变压器，用于通过由第一开关控制的第一开关耦合到DC电压源 第一控制信号，并且被配置为基于DC电压提供转换的电压; 耦合到所述变压器并被配置为产生所述转换电压的包络电压的整流器; 多个开关，其耦合到所述整流器以接收所生成的所述转换电压的包络电压，所述多个开关分别由多个控制信号控制，并且被配置为从所生成的所述转换电压的包络电压产生所述AC; 以及耦合到所述第一开关和所述多个开关的控制装置，并且被配置为基于所述电网电压来提供所述第一控制信号和所述多个控制信号。

公开(公告)号：US20090028217A1

公开(公告)日：2009-01-29

申请号：US11878581

申请日：2007-07-25

申请人： Chao-Shiun Wang ,  Chorng-Kuan Wang ,  Horng-Yuan Shih ,  Zhi-Wei Wang ,  Kai-Cheung Juang

发明人： Chao-Shiun Wang ,  Chorng-Kuan Wang ,  Horng-Yuan Shih ,  Zhi-Wei Wang ,  Kai-Cheung Juang

IPC分类号： H04B1/69 ,  H03B21/00

CPC分类号： H03B21/025 ,  H03B19/00 ,  H03L7/0891 ,  H03L7/183 ,  H04B1/7136 ,  H04B1/71635 ,  H04B2001/71365

摘要： An ultra-wideband (UWB) frequency synthesizer is provided for use in UWB communication. The UWB frequency synthesizer may include a first section and a second section. The first section may be configured to generate a first plurality of frequencies. The second section may be coupled to the first section and configured to generate a second plurality of frequencies respectively corresponding to individual channels of UWB bandwidth based upon the first plurality of frequencies. Further, the first section is configured to include a voltage-controlled oscillator (VCO) providing a base frequency fvco corresponding to the UWB bandwidth, and to generate the first plurality of frequencies based on a single phase-locked loop (PLL) and a reference frequency provided to the single PLL based on the base frequency fvco.

摘要翻译： 提供超宽带（UWB）频率合成器用于UWB通信。 UWB频率合成器可以包括第一部分和第二部分。 第一部分可以被配置为产生第一多个频率。 第二部分可以耦合到第一部分，并且被配置为基于第一多个频率产生分别对应于UWB带宽的各个信道的第二多个频率。 此外，第一部分被配置为包括提供对应于UWB带宽的基本频率fvco的压控振荡器（VCO），并且基于单个锁相环（PLL）和参考信号产生第一多个频率 基于频率fvco提供给单个PLL的频率。

公开(公告)号：US07449972B2

公开(公告)日：2008-11-11

申请号：US11183901

申请日：2005-07-19

申请人： Kai-Cheung Juang ,  Horng-Yuan Shih ,  Peng-Un Su

发明人： Kai-Cheung Juang ,  Horng-Yuan Shih ,  Peng-Un Su

IPC分类号： H03L5/00

CPC分类号： H03B5/04

摘要： A voltage controlled oscillator with anti supply voltage variation and/or process variation includes an oscillation circuit for outputting an oscillatory signal; a current source coupled to the oscillation circuit for providing an input current to the oscillation circuit; and a variation compensation circuit for compensating the variations generated by the supply voltage and process. The variation compensation circuit includes a peak detector for generating a peak voltage proportional to the amplitude of the oscillatory signal; a compensating voltage generator for generating a reference voltage according to the process variation so that the oscillation circuit achieves the same working conditions under the process variation; and a comparator for comparing the peak voltage and the reference voltage to generate a control voltage. When the variation compensation circuit includes an amplifier, the supply voltage can be compensated.

摘要翻译： 具有抗电压变化和/或过程变化的压控振荡器包括用于输出振荡信号的振荡电路; 耦合到振荡电路的电流源，用于向振荡电路提供输入电流; 以及用于补偿由电源电压和处理产生的变化的变化补偿电路。 该变化补偿电路包括：峰值检测器，用于产生与振荡信号幅度成比例的峰值电压; 补偿电压发生器，用于根据工艺变化产生参考电压，使得振荡电路在工艺变化下达到相同的工作条件; 以及用于比较峰值电压和参考电压以产生控制电压的比较器。 当变差补偿电路包括放大器时，可以补偿电源电压。

公开(公告)号：US06278325B1

公开(公告)日：2001-08-21

申请号：US09735976

申请日：2000-12-13

申请人： Kai-Cheung Juang

发明人： Kai-Cheung Juang

IPC分类号： H03G310

CPC分类号： H03F3/45183 ,  H03F3/45085 ,  H03F2200/456 ,  H03F2203/45244 ,  H03G1/0023 ,  H03G1/0088

摘要： A programmable gain amplifier with a large extent for the variation of gains made by a manufacturing process of compensated metal oxide semiconductor or a bipolar junction transistor is disclosed. The structure of the programmable gain amplifier is divided into two stages, a first stage and a second stage. The first stage is formed by connecting a plurality of transistors in parallel, and the second stage is formed by a further plurality of transistors connected in parallel. The first stage and the second stage are connected in series. The current output end of transistors in the first stage each are connected to respective switches, respectively. Another, the current input end of transistors in the second stage each are connected to respective switches, respectively. Each of the switches is connected to a decoder. Therefore, through the control of the decoder, the on and off conditions of the switches can be determined so as to derive the required gain current.

摘要翻译： 公开了一种用于补偿金属氧化物半导体或双极结晶体管的制造工艺所获得的增益变化的可编程增益放大器。 可编程增益放大器的结构分为两个阶段，即第一阶段和第二阶段。 第一级通过并联连接多个晶体管而形成，第二级由并联连接的多个晶体管形成。 第一阶段和第二阶段是串联的。 第一级中的晶体管的电流输出端分别连接到相应的开关。 另一个，第二级中的晶体管的当前输入端分别连接到相应的开关。 每个开关连接到解码器。 因此，通过解码器的控制，可以确定开关的导通和关断条件，以便导出所需的增益电流。

公开(公告)号：US20130179103A1

公开(公告)日：2013-07-11

申请号：US13439405

申请日：2012-04-04

申请人： Yi-Feng Luo ,  Kai-Cheung Juang ,  Yung-Hsi Chang ,  Chueh-Hao Yu

发明人： Yi-Feng Luo ,  Kai-Cheung Juang ,  Yung-Hsi Chang ,  Chueh-Hao Yu

IPC分类号： G06F19/00 ,  G01R31/36

CPC分类号： G01R31/389 ,  G01R31/367 ,  G01R31/385 ,  G01R31/392

摘要： A battery analysis device for a battery module having at least one battery cell includes a power source supply unit, a signal capturing unit, a signal adjusting unit, a frequency domain analyzing unit, a time domain analyzing unit, and a processing unit. The power source supply unit provides a variable-frequency voltage signal to a battery cell. The signal capturing unit captures a current signal generated by a battery cell in response to the variable-frequency voltage signal. The signal adjusting unit adjusts the variable-frequency voltage signal and the current signal. The frequency domain analyzing unit and time domain analyzing unit analyze both the adjusted variable-frequency voltage signal and the adjusted current signal in frequency domain and time domain respectively for obtaining a frequency domain parameter and a time domain parameter. The processing unit obtains electrochemistry characteristics of the battery cell according to the frequency and the time domain parameters.

摘要翻译： 具有至少一个电池单元的电池模块的电池分析装置包括电源供应单元，信号捕获单元，信号调节单元，频域分析单元，时域分析单元和处理单元。 电源单元向电池单元提供可变频率电压信号。 信号捕获单元响应于可变频率电压信号捕获由电池单元产生的电流信号。 信号调节单元调节可变频率电压信号和电流信号。 频域分析单元和时域分析单元分别对频域和时域中的调整后的可变频率电压信号和调整后的电流信号进行分析，以获得频域参数和时域参数。 处理单元根据频率和时域参数获得电池单元的电化学特性。

公开(公告)号：US08289080B2

公开(公告)日：2012-10-16

申请号：US12855713

申请日：2010-08-13

申请人： Horng-Yuan Shih ,  Wei-Hsien Chen ,  Kai-Cheung Juang

发明人： Horng-Yuan Shih ,  Wei-Hsien Chen ,  Kai-Cheung Juang

IPC分类号： H03F3/45

CPC分类号： H03F3/45183 ,  H03F1/0277 ,  H03F3/189 ,  H03F3/193 ,  H03F3/211 ,  H03F3/72 ,  H03F2200/27 ,  H03F2200/294 ,  H03F2200/36 ,  H03F2200/405 ,  H03F2200/91 ,  H03F2203/21142 ,  H03F2203/45394 ,  H03F2203/45646 ,  H03F2203/7206 ,  H03F2203/7236 ,  H03G3/3078

摘要： A current-mode amplifier including an input stage, a feedback circuit and an output stage is provided. The input stage has an input terminal for receiving an input current of the current-mode amplifier. The input stage generates a corresponding inner current in accordance with the input current and a feedback current. The feedback circuit is connected to the input stage. The feedback circuit generates the corresponding feedback current in accordance with the inner current of the input stage. An input terminal of the output stage is connected to an output terminal of the input stage. An output terminal of the output stage serves as an output terminal of the current-mode amplifier.

摘要翻译： 提供了包括输入级，反馈电路和输出级的电流模式放大器。 输入级具有用于接收电流模式放大器的输入电流的输入端子。 输入级根据输入电流和反馈电流产生相应的内部电流。 反馈电路连接到输入级。 反馈电路根据输入级的内部电流产生相应的反馈电流。 输出级的输入端连接到输入级的输出端。 输出级的输出端用作电流模式放大器的输出端。

公开(公告)号：US20080191796A1

公开(公告)日：2008-08-14

申请号：US11761365

申请日：2007-06-11

申请人： Kai-Cheung Juang

发明人： Kai-Cheung Juang

IPC分类号： H04B1/10

CPC分类号： H04B17/21 ,  H03J2200/10

摘要： Disclosed is a calibration apparatus and method for programmable response frequency selecting elements. The calibration apparatus comprises a basic reference source, a programmable counter, a control logic unit, and a frequency to time constant converter. The programmable counter generates plural different frequency signals required by the frequency selecting elements with different frequency responses. The frequency to time constant converter determines a calibrated capacitance through the timing control signals generated by the control logic unit. This invention makes the process, temperature, and power supply variation for frequency selecting elements free. It allows the frequency selecting elements to have a high accurate, stable, and wide range programming of frequency responses. It is suitable for multi-standard applications. It greatly reduces the chip size, and significantly lowers down the cost for the applications.

摘要翻译： 公开了一种用于可编程响应频率选择元件的校准装置和方法。 校准装置包括基本参考源，可编程计数器，控制逻辑单元和频率与时间常数转换器。 可编程计数器产生具有不同频率响应的频率选择元件所需的多个不同频率信号。 频率到时间常数转换器通过由控制逻辑单元产生的定时控制信号来确定经校准的电容。 本发明使频率选择元件的工艺，温度和电源变化自由。 它允许频率选择元件具有高精度，稳定和宽范围的频率响应编程。 适用于多标准应用。 它大大降低了芯片尺寸，并显着降低了应用的成本。

公开(公告)号：US20050264359A1

公开(公告)日：2005-12-01

申请号：US10964390

申请日：2004-10-13

申请人： Kai-Cheung Juang ,  Yen-Horng Chen

发明人： Kai-Cheung Juang ,  Yen-Horng Chen

IPC分类号： H03F1/34 ,  H03F3/19 ,  H03G1/00 ,  H03G3/00 ,  H03G3/10

CPC分类号： H03F3/19 ,  H03F1/34 ,  H03F2200/435 ,  H03F2200/78 ,  H03F2203/45521 ,  H03G1/0005 ,  H03G1/0023

摘要： A programmable automatic signal amplitude control circuit, comprising a variable gain amplifier and a negative feedback circuit. The negative feedback circuit includes a first circuit, and a second circuit having a peak detector, a level adjustable amplifier, and a voltage/current converter, and a capacitor. Using a first current applied from the first circuit and a second current applied from the second circuit to control a control signal, signal amplitude is controlled to approach a setup amplitude.

摘要翻译： 一种可编程自动信号幅度控制电路，包括可变增益放大器和负反馈电路。 负反馈电路包括第一电路和具有峰值检测器，电平可调放大器和电压/电流转换器的第二电路以及电容器。 使用从第一电路施加的第一电流和从第二电路施加的第二电流来控制控制信号，控制信号幅度接近建立幅度。