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ULV and ULP Operational Amplifiers for Active-RC Filters 用于有源rc滤波器的ULV和ULP运算放大器
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2021-10-08 DOI: 10.1007/978-3-030-90103-5_2
L. Severo, W. Van Noije
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引用次数: 0
Single Stage OTA and Negative Transconductance Compensation 单级OTA和负跨导补偿
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2021-10-08 DOI: 10.1007/978-3-030-90103-5_3
L. Severo, W. Van Noije
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引用次数: 1
Design and Experimental Results 设计与实验结果
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2021-10-08 DOI: 10.1007/978-3-030-90103-5_5
L. Severo, W. Van Noije
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引用次数: 2
Selected Peer Reviewed Articles from the 17th "IEEE Latin-American Test Symposium," Foz do Iguaçu, Brazil, April 6–8, 2016 2016年4月6日至8日，第17届“IEEE拉丁美洲测试研讨会”，巴西，Foz do igua<e:1>
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2016-12-01 DOI: 10.1166/JOLPE.2016.1461
L. Poehls
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引用次数: 0
An Ultra-Low Power Charge Redistribution Successive Approximation Register A/D Converter for Biomedical Applications. 生物医学应用的超低功率电荷再分配逐次逼近寄存器A/D转换器。
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2016-12-01 DOI: 10.1166/jolpe.2016.1452
Santosh Koppa, Manouchehr Mohandesi, Eugene John

Power consumption is one of the key design constraints in biomedical devices such as pacemakers that are powered by small non rechargeable batteries over their entire life time. In these systems, Analog to Digital Convertors (ADCs) are used as interface between analog world and digital domain and play a key role. In this paper we present the design of an 8-bit Charge Redistribution Successive Approximation Register (CR-SAR) analog to digital converter in standard TSMC 0.18μm CMOS technology for low power and low data rate devices such as pacemakers. The 8-bit optimized CR-SAR ADC achieves low power of less than 250nW with conversion rate of 1KB/s. This ADC achieves integral nonlinearity (INL) and differential nonlinearity (DNL) less than 0.22 least significant bit (LSB) and less than 0.04 LSB respectively as compared to the standard requirement for the INL and DNL errors to be less than 0.5 LSB. The designed ADC operates at 1V supply voltage converting input ranging from 0V to 250mV.

功耗是生物医学设备(如起搏器)的关键设计限制之一，这些设备在其整个使用寿命期间由小型不可充电电池供电。在这些系统中，模数转换器(adc)作为模拟世界和数字领域之间的接口，起着关键的作用。在本文中，我们提出了一种8位电荷再分配连续逼近寄存器(CR-SAR)模拟数字转换器的设计，该转换器采用标准台积电0.18μm CMOS技术，用于低功耗和低数据速率设备，如起搏器。优化后的8位CR-SAR ADC实现了低于250nW的低功耗和1KB/s的转换速率。与INL和DNL误差小于0.5 LSB的标准要求相比，该ADC的积分非线性(INL)和微分非线性(DNL)分别小于0.22最低有效位(LSB)和0.04 LSB。所设计的ADC工作在1V电源电压下，转换输入范围从0V到250mV。
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引用次数: 2
Reducing Power and Cycle Requirement for FFT of ECG Signals through Low Level Arithmetic Optimizations for Cardiac Implantable Devices. 通过心脏植入装置低电平算法优化降低心电信号FFT功率和周期要求。
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2016-03-01 DOI: 10.1166/jolpe.2016.1423
Safwat Mostafa, Eugene John

The Fast Fourier Transform or FFT remains to be the de facto standard in almost all disciplines for computing discrete Fourier transform. In embedded biomedical applications, efficient signal processing algorithms such as FFT for spectrum analysis are indispensable. The FFT is an O(Nlog2N) algorithm which requires complex multiplication and addition using floating point numbers. On extremely power constrained embedded systems such as cardiac pacemakers, floating point operations are very cycle intensive and costly in terms of power. This work aims to exploit the repetitive nature of the Electrocardiogram (ECG) to reduce the number of total arithmetic operations required to execute a 128 point FFT routine. Using the simple concept of lookup tables, the proposed algorithm is able to improve both the performance and energy footprint for computing the FFT of the ECG data. An increase of 9.22% in computational speed and an improvement of 10.1% in battery life on a 32 bit embedded platform for a standard split-radix-2 FFT routine is achieved. The concept is tested using actual ECG data collected from PhysioNet.

快速傅里叶变换或FFT仍然是几乎所有学科计算离散傅里叶变换的事实上的标准。在嵌入式生物医学应用中，高效的信号处理算法，如FFT频谱分析是必不可少的。FFT是一种O(Nlog2N)算法，需要使用浮点数进行复杂的乘法和加法运算。在功率极其有限的嵌入式系统(如心脏起搏器)上，浮点运算周期密集且功耗昂贵。这项工作旨在利用心电图(ECG)的重复性来减少执行128点FFT例程所需的总算术运算次数。利用简单的查找表概念，该算法能够提高心电数据FFT计算的性能和能量足迹。在32位嵌入式平台上，对于标准的分割基数2 FFT例程，计算速度提高了9.22%，电池寿命提高了10.1%。使用从PhysioNet收集的实际心电数据对该概念进行了测试。
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引用次数: 3
Locking and Pulling in Injection-Locked LC-CMOS Dividers 锁定和拉入注入锁定LC-CMOS分频器
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2013-08-01 DOI: 10.1166/JOLPE.2013.1252
A. Buonomo, A. L. Schiavo
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引用次数: 1
Circuit-Level Modeling of SRAM Minimum Operating Voltage Vddmin in the C40 Node C40节点SRAM最小工作电压Vddmin的电路级建模
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2012-02-01 DOI: 10.1166/JOLPE.2012.1176
L. Ciampolini, Siddharth Gupta, O. Callen, A. Chhabra, Dibya Dipti, S. Haendler, Shishir Kumar, D. Noblet, P. Malinge, N. Planes, D. Turgis, C. Lecocq, Shamsi Azmi
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引用次数: 6
Leakage and Leakage Sensitivity Computation for Combinational Circuits 组合电路的泄漏和泄漏灵敏度计算
Q3 Engineering
Journal of Low Power Electronics
Pub Date : 2005-08-01 DOI: 10.1166/jolpe.2005.026
E. Acar, A. Devgan, S. Nassif
{"title":"Leakage and Leakage Sensitivity Computation for Combinational Circuits","authors":"E. Acar, A. Devgan, S. Nassif","doi":"10.1166/jolpe.2005.026","DOIUrl":"https://doi.org/10.1166/jolpe.2005.026","url":null,"abstract":"","PeriodicalId":43794,"journal":{"name":"Journal of Low Power Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64643074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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