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Active and Passive Electronic Components最新文献

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Operational Simulation of LC Ladder Filter Using VDTA 基于VDTA的LC梯形滤波器运行仿真
IF 0.4
Active and Passive Electronic Components Pub Date : 2017-01-01 DOI: 10.1155/2017/1836727
Praveen Kumar, N. Pandey, S. K. Paul
{"title":"Operational Simulation of LC Ladder Filter Using VDTA","authors":"Praveen Kumar, N. Pandey, S. K. Paul","doi":"10.1155/2017/1836727","DOIUrl":"https://doi.org/10.1155/2017/1836727","url":null,"abstract":"In this paper, a systematic approach for implementing operational simulation of LC ladder filter using voltage differencing transconductance amplifier is presented. The proposed filter structure uses only grounded capacitor and possesses electronic tunability. PSPICE simulation using 180 nm CMOS technology parameter is carried out to verify the functionality of the presented approach. Experimental verification is also performed through commercially available IC LM13700/NS. Simulations and experimental results are found to be in close agreement with theoretical predictions.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"10 39 1","pages":"1-8"},"PeriodicalIF":0.4,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/1836727","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64655862","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: 5
A New CMOS Controllable Impedance Multiplier with Large Multiplication Factor 一种新型大倍增系数CMOS可控阻抗乘法器
IF 0.4
Active and Passive Electronic Components Pub Date : 2017-01-01 DOI: 10.1155/2017/4274791
M. Al-Absi
{"title":"A New CMOS Controllable Impedance Multiplier with Large Multiplication Factor","authors":"M. Al-Absi","doi":"10.1155/2017/4274791","DOIUrl":"https://doi.org/10.1155/2017/4274791","url":null,"abstract":"This paper presents a new compact controllable impedance multiplier using CMOS technology. The design is based on the use of the translinear principle using MOSFETs in subthreshold region. The value of the impedance will be controlled using the bias currents only. The impedance can be scaled up and down as required. The functionality of the proposed design was confirmed by simulation using BSIM3V3 MOS model in Tanner Tspice 0.18 μm TSMC CMOS process technology. Simulation results indicate that the proposed design is functioning properly with a tunable multiplication factor from 0.1- to 100-fold. Applications of the proposed multiplier in the design of low pass and high pass filters are also included.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2017 1","pages":"1-6"},"PeriodicalIF":0.4,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/4274791","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64676740","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: 1
Pharmacogenetic Optimization of Smoking Cessation Treatment. 药物基因优化戒烟治疗。
IF 1.3
Active and Passive Electronic Components Pub Date : 2017-01-01 Epub Date: 2016-10-03 DOI: 10.1016/j.tips.2016.09.006
Meghan J Chenoweth, Rachel F Tyndale
{"title":"Pharmacogenetic Optimization of Smoking Cessation Treatment.","authors":"Meghan J Chenoweth, Rachel F Tyndale","doi":"10.1016/j.tips.2016.09.006","DOIUrl":"10.1016/j.tips.2016.09.006","url":null,"abstract":"<p><p>Worldwide, approximately one billion people smoke cigarettes. Cigarette smoking persists in part because long-term smoking cessation rates are modest on existing treatments. Smoking cessation outcomes are influenced by genetic factors, including genetic variation in enzymes that metabolize nicotine and smoking cessation medications, as well as in receptor targets for nicotine and treatment medications. For example, smokers with genetically slow nicotine metabolism have higher cessation success on behavioural counseling and nicotine patches compared with smokers with genetically fast nicotine metabolism. In this review, we highlight new progress in our understanding of how genetic variation in the pharmacological targets of nicotine and smoking cessation medications could be used to tailor smoking cessation therapy, increase quit rates, and reduce tobacco-related harm.</p>","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"6 1","pages":"55-66"},"PeriodicalIF":1.3,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5195866/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86888236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
All-Pass Filter Based Linear Voltage Controlled Quadrature Oscillator 基于全通滤波器的线性压控正交振荡器
IF 0.4
Active and Passive Electronic Components Pub Date : 2017-01-01 DOI: 10.1155/2017/3454165
K. Mathur, P. Venkateswaran, R. Nandi
{"title":"All-Pass Filter Based Linear Voltage Controlled Quadrature Oscillator","authors":"K. Mathur, P. Venkateswaran, R. Nandi","doi":"10.1155/2017/3454165","DOIUrl":"https://doi.org/10.1155/2017/3454165","url":null,"abstract":"A linear voltage controlled quadrature oscillator implemented from a first-order electronically tunable all-pass filter (ETAF) is presented. The active element is commercially available current feedback amplifier (AD844) in conjunction with the relatively new Multiplication Mode Current Conveyor (MMCC) device. Electronic tunability is obtained by the control node voltage () of the MMCC. Effects of the device nonidealities, namely, the parasitic capacitors and the roll-off poles of the port-transfer ratios of the device, are shown to be negligible, even though the usable high-frequency ranges are constrained by these imperfections. Subsequently the filter is looped with an electronically tunable integrator (ETI) to implement the quadrature oscillator (QO). Experimental responses on the voltage tunable phase of the filter and the linear-tuning law of the quadrature oscillator up to 9.9 MHz at low THD are verified by simulation and hardware tests.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2017 1","pages":"1-8"},"PeriodicalIF":0.4,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/3454165","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64668678","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: 5
A New Capacitor-Less Buck DC-DC Converter for LED Applications 用于LED应用的新型无电容降压DC-DC变换器
IF 0.4
Active and Passive Electronic Components Pub Date : 2017-01-01 DOI: 10.1155/2017/2365848
M. Al-Absi, Zainulabideen J. Khalifa, A. Hussein
{"title":"A New Capacitor-Less Buck DC-DC Converter for LED Applications","authors":"M. Al-Absi, Zainulabideen J. Khalifa, A. Hussein","doi":"10.1155/2017/2365848","DOIUrl":"https://doi.org/10.1155/2017/2365848","url":null,"abstract":"In this paper, a new capacitor-less DC-DC converter is proposed to be used as a light emitting diode (LED) driver. The design is based on the utilization of the internal capacitance of the LED to replace the smoothing capacitor. LED lighting systems usually have many LEDs for better illumination that can reach multiple tens of LEDs. Such configuration can be utilized to enlarge the total internal capacitance and hence minimize the output ripple. Also, the switching frequency is selected such that a minimum ripple appears at the output. The functionality of the proposed design is confirmed experimentally and the efficiency of the driver is 85% at full load.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2017 1","pages":"1-5"},"PeriodicalIF":0.4,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/2365848","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64658770","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: 8
Three-Input Single-Output Voltage-Mode Multifunction Filter with Electronic Controllability Based on Single Commercially Available IC 基于单一商用集成电路的三输入单输出电压型多功能电子可控性滤波器
IF 0.4
Active and Passive Electronic Components Pub Date : 2017-01-01 DOI: 10.1155/2017/5240751
S. Klungtong, D. Thanapatay, W. Jaikla
{"title":"Three-Input Single-Output Voltage-Mode Multifunction Filter with Electronic Controllability Based on Single Commercially Available IC","authors":"S. Klungtong, D. Thanapatay, W. Jaikla","doi":"10.1155/2017/5240751","DOIUrl":"https://doi.org/10.1155/2017/5240751","url":null,"abstract":"This paper presents a second-order voltage-mode filter with three inputs and single-output voltage using single commercially available IC, one resistor, and two capacitors. The used commercially available IC, called LT1228, is manufactured by Linear Technology Corporation. The proposed filter is based on parallel RLC circuit. The filter provides five output filter responses, namely, band-pass (BP), band-reject (BR), low-pass (LP), high-pass (HP), and all-pass (AP) functions. The selection of each filter response can be done without the requirement of active and passive component matching condition. Furthermore, the natural frequency and quality factor are electronically controlled. Besides, the nonideal case is also investigated. The output voltage node exhibits low impedance. The experimental results can validate the theoretical analyses.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2017 1","pages":"1-10"},"PeriodicalIF":0.4,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/5240751","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64685228","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: 19
Computer and Hardware Modeling of Periodically Forced -Van der Pol Oscillator 周期性强迫范德波尔振荡器的计算机和硬件建模
IF 0.4
Active and Passive Electronic Components Pub Date : 2016-12-15 DOI: 10.1155/2016/3426713
A. O. Adelakun, A. Njah, O. Olusola, S. Wara
{"title":"Computer and Hardware Modeling of Periodically Forced -Van der Pol Oscillator","authors":"A. O. Adelakun, A. Njah, O. Olusola, S. Wara","doi":"10.1155/2016/3426713","DOIUrl":"https://doi.org/10.1155/2016/3426713","url":null,"abstract":"Numerical simulation results for the dynamics of -systems abound in the literature but their experimental results are yet to be known. This paper presents the chaotic dynamics of -Van der Pol oscillator via electronic design, simulation, and hardware implementation. The results obtained are found to be in good agreement with numerical simulation results. The condition for stability of the fixed points is also computed and the method of multiple time scale is used to investigate the dynamical behaviour of the system. Therefore, the -circuits which have rich dynamics and may have important applications in secure communications, random number generations, cryptography, and so forth have been practically implemented.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2016 1","pages":"1-7"},"PeriodicalIF":0.4,"publicationDate":"2016-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/3426713","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64329564","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: 5
Noise Parameter Analysis of SiGe HBTs for Different Sizes in the Breakdown Region 击穿区不同尺寸SiGe HBTs的噪声参数分析
IF 0.4
Active and Passive Electronic Components Pub Date : 2016-10-12 DOI: 10.1155/2016/8506507
Chie-In Lee, Yan-Ting Lin, Wei-Cheng Lin
{"title":"Noise Parameter Analysis of SiGe HBTs for Different Sizes in the Breakdown Region","authors":"Chie-In Lee, Yan-Ting Lin, Wei-Cheng Lin","doi":"10.1155/2016/8506507","DOIUrl":"https://doi.org/10.1155/2016/8506507","url":null,"abstract":"Noise parameters of silicon germanium (SiGe) heterojunction bipolar transistors (HBTs) for different sizes are investigated in the breakdown region for the first time. When the emitter length of SiGe HBTs shortens, minimum noise figure at breakdown decreases. In addition, narrower emitter width also decreases noise figure of SiGe HBTs in the avalanche region. Reduction of noise performance for smaller emitter length and width of SiGe HBTs at breakdown resulted from the lower noise spectral density resulting from the breakdown mechanism. Good agreement between experimental and simulated noise performance at breakdown is achieved for different sized SiGe HBTs. The presented analysis can benefit the RF circuits operating in the breakdown region.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2016 1","pages":"1-5"},"PeriodicalIF":0.4,"publicationDate":"2016-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/8506507","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64580807","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: 0
Design of High-Voltage Switch-Mode Power Amplifier Based on Digital-Controlled Hybrid Multilevel Converter 基于数字控制混合多电平变换器的高压开关功率放大器设计
IF 0.4
Active and Passive Electronic Components Pub Date : 2016-09-20 DOI: 10.1155/2016/3982594
Y. Hou, Wanrong Sun, Aifeng Ren, Shuming Liu
{"title":"Design of High-Voltage Switch-Mode Power Amplifier Based on Digital-Controlled Hybrid Multilevel Converter","authors":"Y. Hou, Wanrong Sun, Aifeng Ren, Shuming Liu","doi":"10.1155/2016/3982594","DOIUrl":"https://doi.org/10.1155/2016/3982594","url":null,"abstract":"Compared with conventional Class-A, Class-B, and Class-AB amplifiers, Class-D amplifier, also known as switching amplifier, employs pulse width modulation (PWM) technology and solid-state switching devices, capable of achieving much higher efficiency. However, PWM-based switching amplifier is usually designed for low-voltage application, offering a maximum output voltage of several hundred Volts. Therefore, a step-up transformer is indispensably adopted in PWM-based Class-D amplifier to produce high-voltage output. In this paper, a switching amplifier without step-up transformer is developed based on digital pulse step modulation (PSM) and hybrid multilevel converter. Under the control of input signal, cascaded power converters with separate DC sources operate in PSM switch mode to directly generate high-voltage and high-power output. The relevant topological structure, operating principle, and design scheme are introduced. Finally, a prototype system is built, which can provide power up to 1400 Watts and peak voltage up to ±1700 Volts. And the performance, including efficiency, linearity, and distortion, is evaluated by experimental tests.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2016 1","pages":"1-9"},"PeriodicalIF":0.4,"publicationDate":"2016-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/3982594","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64360761","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: 0
The Design and Life Test of a Multifunction Power Amplifier for Space Application 一种空间多用功率放大器的设计与寿命试验
IF 0.4
Active and Passive Electronic Components Pub Date : 2016-08-17 DOI: 10.1155/2016/1312721
Xiuqin Xu, Hui Xu, Yong-Heng Shang, Zhiyu Wang, Yang Wang, Liping Wang, Hao Luo, Zheng-Liang Huang, Faxin Yu
{"title":"The Design and Life Test of a Multifunction Power Amplifier for Space Application","authors":"Xiuqin Xu, Hui Xu, Yong-Heng Shang, Zhiyu Wang, Yang Wang, Liping Wang, Hao Luo, Zheng-Liang Huang, Faxin Yu","doi":"10.1155/2016/1312721","DOIUrl":"https://doi.org/10.1155/2016/1312721","url":null,"abstract":"A new multifunction power amplifier (MFPA) is designed and fabricated for the application of point-to-point K-Band backhaul TR module. A DC temperature life test was performed to model the up-limit temperature effect of the designed MFPA under space application. After 240 hours of 100°C life test, the test results illustrate that the designed MFPA has only slight power degradation at the saturation region without change of the linear gain. The general performance of the designed MFPA satisfies the requirement of the application scenario.","PeriodicalId":43355,"journal":{"name":"Active and Passive Electronic Components","volume":"2016 1","pages":"1-6"},"PeriodicalIF":0.4,"publicationDate":"2016-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/1312721","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64216527","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: 0
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