公开(公告)号：US20130154733A1

公开(公告)日：2013-06-20

申请号：US13325547

申请日：2011-12-14

申请人： Shuenn-Yuh LEE ,  Jia-Hua Hong ,  Rong-Guey Chang ,  Chih-Yuan Chen

发明人： Shuenn-Yuh LEE ,  Jia-Hua Hong ,  Rong-Guey Chang ,  Chih-Yuan Chen

IPC分类号： H03F1/26

CPC分类号： H03F3/45192 ,  G06F17/5063 ,  H03F3/45636 ,  H03F2203/45398 ,  H03F2203/45631

摘要： A method for synthesizing Sigma-Delta Modulator, which selects at least a system configuration and parameters, substitute a noise transfer formula into said system configuration to obtain coefficients. Using a least-square method to obtain a stability equation, and calculating an ideal performance of said system configuration based on said parameters and stability equation. Substitute the coefficients into non-ideal effect models, and acquire the circuit specification of an operation amplifier in said system configuration in a hierarchic approach to calculate the circuit performance of the operation amplifier. Determine whether said circuit specification of said operation amplifier has a solution based on related specification equation. If an answer is positive, calibrate length and width of transistors in said operation amplifier, until it meets the requirements of said circuit specification. Base on the said transistors to implement Sigma Delta Modulator, the target performance can be achieved from the circuit simulation result.

摘要翻译： 一种用于合成Sigma-Delta调制器的方法，其至少选择系统配置和参数，将噪声传递公式替换为所述系统配置以获得系数。 使用最小二乘法获得稳定性方程，并根据所述参数和稳定性方程计算所述系统配置的理想性能。 将系数代入非理想效应模型，并以分级方式获取所述系统配置中的运算放大器的电路规范，以计算运算放大器的电路性能。 确定所述运算放大器的所述电路规格是否具有基于相关规范方程的解。 如果答案为正，校准所述运算放大器中的晶体管的长度和宽度，直到满足所述电路规范的要求。 基于所述晶体管实现Sigma Delta调制器，可以从电路仿真结果实现目标性能。

公开(公告)号：US07800524B2

公开(公告)日：2010-09-21

申请号：US12431241

申请日：2009-04-28

申请人： Shuenn-Yuh Lee ,  Rong-Guey Chang ,  Chih-Yuan Chen ,  Jia-Hua Hong

发明人： Shuenn-Yuh Lee ,  Rong-Guey Chang ,  Chih-Yuan Chen ,  Jia-Hua Hong

IPC分类号： H03M3/00

CPC分类号： H03M3/486 ,  H03M3/448 ,  H03M3/45 ,  H03M3/454 ,  H03M3/49 ,  H03M3/492

摘要： The present invention discloses a sigma-delta modulator architecture capable of automatically improving dynamic range and a method for the same. Based on the concept that different dynamic ranges of a sigma-delta modulator can be obtained via adjusting the signal power gain thereof, the present invention provides a novel algorithm to implement an automation program. The present invention finds out several sets of dynamic-range curves to improve the overall dynamic range. Via a high-level sigma-delta modulator architecture, the present invention can calculate the required feedforward coefficients. Further, the present invention install in the sigma-delta modulator architecture with four additional components, including a peak detection unit, a comparator unit, a digital coefficient control unit and a switch unit, to dynamically detect the output of the sigma-delta modulator and dynamically modify the feedforward coefficient of the sigma-delta modulator. Thus is extended the dynamic range of the sigma-delta modulator.

摘要翻译： 本发明公开了一种能够自动改善动态范围的Σ-Δ调制器架构及其方法。 基于通过调整其信号功率增益可以获得Σ-Δ调制器的不同动态范围的概念，本发明提供了一种实现自动化程序的新颖算法。 本发明找出了几组动态范围曲线来改善整体动态范围。 通过高级Σ-Δ调制器架构，本发明可以计算所需的前馈系数。 此外，本发明安装在具有四个附加组件的Σ-Δ调制器架构中，其中包括峰值检测单元，比较器单元，数字系数控制单元和开关单元，以动态地检测Σ-Δ调制器的输出， 动态地修改Σ-Δ调制器的前馈系数。 因此扩展了Σ-Δ调制器的动态范围。

公开(公告)号：US08487798B2

公开(公告)日：2013-07-16

申请号：US13429020

申请日：2012-03-23

申请人： Shuenn-Yuh Lee ,  Jia-Hua Hong ,  Jing-Yi Wong

发明人： Shuenn-Yuh Lee ,  Jia-Hua Hong ,  Jing-Yi Wong

IPC分类号： H03M3/00

CPC分类号： G06F17/505 ,  H03M3/30

摘要： A synthesis method of Sigma-Delta modulator capable of relaxing circuit specification and reducing power consumption, comprising the following steps: firstly, set a target bandwidth and a target performance; upon obtaining a Noise Transfer Function (NTF), perform coefficient synthesis a first time, to ascertain a plurality sets of first performance results corresponding to said NTF, and obtain a plurality sets of first circuit specifications fulfilling said target performance, through analyzing circuit non-ideal effect of said first performance results. Next, increase an oversampling ratio of parameters, to obtain a plurality sets of second performance results, and a plurality sets of second circuit specifications. Then, increase quantizer bit number, and increase attenuation quantity, to obtain a plurality sets of third circuit specifications. Finally, compare said first, second and third circuit specifications, to select one of greatest variation to perform calibrations.

摘要翻译： 一种能够放松电路规格并降低功耗的Sigma-Delta调制器的合成方法，包括以下步骤：首先设定目标带宽和目标性能; 在获得噪声传递函数（NTF）时，首先进行系数合成，以确定与所述NTF相对应的多组第一性能结果，并通过分析电路非线性获得满足所述目标性能的多组第一电路规范， 所述第一性能效果的理想效果。 接下来，增加参数的过采样比，以获得多组第二性能结果，以及多组第二电路规范。 然后，增加量化器位数，并增加衰减量，以获得多组第三电路规范。 最后，比较所述第一，第二和第三电路规格，选择最大变化之一进行校准。

公开(公告)号：US09259162B2

公开(公告)日：2016-02-16

申请号：US14109703

申请日：2013-12-17

申请人： Shuenn-Yuh Lee

发明人： Shuenn-Yuh Lee ,  Jia-Hua Hong ,  Cheng-Han Hsieh ,  Ming-Chun Liang

IPC分类号： A61B5/0428 ,  A61B5/0245 ,  A61B5/00

CPC分类号： A61B5/0245 ,  A61B5/0022 ,  A61B5/0428 ,  G06F19/00 ,  G16H40/67

摘要： A wireless monitoring system for receiving, processing, wirelessly communicating and displaying bio-signal information is provided, inclusive of an analog front-end detection circuit with CHS (Chopper Stabilization) and sigma-delta modulation techniques, a digital signal processor (DSP) with disease identification capability, a digital controller with functions of encoding/decoding (CODEC), modulation/demodulation (MODEM) and data loss prevention in communication, and a wireless radio frequency (RF) transceiver with super-regenerative technique. The system can detect the real-time bio-signal and transmit the bio-signal data to the server by wireless communication. If the wireless communication is disconnected, the system would immediately store the data until the communication is reconnected. Therefore, the stored data will not be lost and can be transmitted with the real-time data as the communication is re-established. Moreover, the invention provides a bio-signal analysis end device and a bio-signal detection end device.

摘要翻译： 提供了一种用于接收，处理，无线通信和显示生物信号信息的无线监控系统，包括具有CHS（斩波稳定）和Σ-Δ调制技术的模拟前端检测电路，数字信号处理器（DSP） 疾病识别能力，具有编解码（CODEC）功能的数字控制器，通信中的调制/解调（MODEM）和数据丢失防护功能，以及具有超再生技术的无线射频（RF）收发器。 该系统可以检测实时生物信号，并通过无线通信将生物信号数据传输到服务器。 如果无线通信断开，则系统将立即存储数据，直到通信被重新连接。 因此，当重新建立通信时，所存储的数据将不会丢失并且可以与实时数据一起发送。 此外，本发明提供一种生物信号分析终端装置和生物信号检测终端装置。

公开(公告)号：US20150005656A1

公开(公告)日：2015-01-01

申请号：US14109703

申请日：2013-12-17

申请人： Shuenn-Yuh Lee

发明人： Shuenn-Yuh Lee ,  Jia-Hua Hong ,  Cheng-Han Hsieh ,  Ming-Chun Liang

IPC分类号： A61B5/0245 ,  A61B5/00 ,  G08C19/12

CPC分类号： A61B5/0245 ,  A61B5/0022 ,  A61B5/0428 ,  G06F19/00 ,  G16H40/67

摘要： A wireless monitoring system for receiving, processing, wirelessly communicating and displaying bio-signal information is provided, inclusive of an analog front-end detection circuit with CHS (Chopper Stabilization) and sigma-delta modulation techniques, a digital signal processor (DSP) with disease identification capability, a digital controller with functions of encoding/decoding (CODEC), modulation/demodulation (MODEM) and data loss prevention in communication, and a wireless radio frequency (RF) transceiver with super-regenerative technique. The system can detect the real-time bio-signal and transmit the bio-signal data to the server by wireless communication. If the wireless communication is disconnected, the system would immediately store the data until the communication is reconnected. Therefore, the stored data will not be lost and can be transmitted with the real-time data as the communication is re-established. Moreover, the invention provides a bio-signal analysis end device and a bio-signal detection end device.

摘要翻译： 提供了一种用于接收，处理，无线通信和显示生物信号信息的无线监控系统，包括具有CHS（斩波稳定）和Σ-Δ调制技术的模拟前端检测电路，数字信号处理器（DSP） 疾病识别能力，具有编解码（CODEC）功能的数字控制器，通信中的调制/解调（MODEM）和数据丢失防护功能，以及具有超再生技术的无线射频（RF）收发器。 该系统可以检测实时生物信号，并通过无线通信将生物信号数据传输到服务器。 如果无线通信断开，则系统将立即存储数据，直到通信被重新连接。 因此，当重新建立通信时，所存储的数据将不会丢失并且可以与实时数据一起发送。 此外，本发明提供一种生物信号分析终端装置和生物信号检测终端装置。