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Littérature scientifique sur le sujet « Active-RC Filter »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 10 mars 2023

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Articles de revues sur le sujet "Active-RC Filter"

Koziel, Slawomir. « GENERAL STRUCTURE OF INTEGRATOR-BASED CONTINUOUS-TIME ACTIVE-RC FILTER AND APPLICATIONS ». SYNCHROINFO JOURNAL 7, n^o 6 (2021) : 8–13. http://dx.doi.org/10.36724/2664-066x-2021-7-6-8-13.

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In the paper, a general structure of integrator-based continuous-time Active-RC filter is presented. More specifically, filter structures containing inverting amplifiers and passive feedback network are considered. The structure is analyzed using matrix description. The extensions of the model that take into account finite DC gain and finite bandwidth of operational amplifiers as well as other non-ideal effects are presented. The matrix-based approach is formulated especially for efficient use in computer analysis and design of Active-RC filters. An application example of the proposed approach to obtain OPAMP specifications for 3rd order low-pass Chebyshev filter for Analog Front End for VDSL is given. In this paper, we consider a general Active-RC filter topology suitable for computer-aided analysis, design and optimization of Active-RC filters. The structure is not the most general one, since it is restricted to filter topologies containing only inverting amplifiers (especially integrators) and RC feedback network.

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Aronhime, P. « RC active filter design handbook ». Proceedings of the IEEE 74, n^o 12 (1986) : 1804. http://dx.doi.org/10.1109/proc.1986.13696.

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Natarajan, S. « RC active filter design handbook ». Proceedings of the IEEE 75, n^o 9 (1987) : 1341–42. http://dx.doi.org/10.1109/proc.1987.13888.

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SALAMA, K. N., et A. M. SOLIMAN. « ACTIVE RC FILTERS USING OPERATIONAL TRANSRESISTANCE AMPLIFIERS ». Journal of Circuits, Systems and Computers 08, n^o 04 (août 1998) : 507–16. http://dx.doi.org/10.1142/s0218126698000304.

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A new generalized universal filter configuration using the Operational Transresistance Amplifier is proposed. Twelve different filter circuits are derived from the general configuration. The circuits are designed to provide Low-pass, Band-pass, High-pass, All-pass and Notch responses through appropriate choice of admittances. The feasibility of this configuration in operating at high frequencies is presented. A detailed analysis taking the effect of the finite transresistance gain into consideration is presented. Self-compensation that requires no additional elements of some of the proposed filters is presented. The effectiveness of the proposed configuration is demonstrated by HSpice simulations.

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Inshakov, Yu M., et A. V. Belov. « Tunable Active Band-Pass RC-Filter ». Journal of the Russian Universities. Radioelectronics, n^o 2 (5 juin 2018) : 20–25. http://dx.doi.org/10.32603/1993-8985-2018-21-2-20-25.

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This article provides a technique for design and simulation of an active second order band-pass filter with lineal tuning of Q-factor and independent tuning over a wide range of resonant frequency and transfer coefficient. The tunable band-pass RC-filter is required for selective processing of electric signals in radio engineering systems and devices, as well as in in-formation measuring systems, the acoustic and hydro acoustic equipment, including devices for noise and vibration analysis. The band-pass RC-filter is required in equalizers for allocation of useful signals.It is shown that the filter is constructed on the basis of the active second order correcting link with the use of tunable RCcircuit T-bridge. Calculation formulas for filter parameters are received, i.e. resonant frequency, polar Q-factor and transfer coefficient. It is shown that in the filter circuit these parameters can independently be tunable over a wide range. Resonant frequency of the filter is tuned by means of dual variable resistors with the Q-factor and transfer coefficient remaining constant.Polar Q-factor is regulated by change of resistance of the variable resistor with transfer coefficient and resonant frequency remaining constant. The transfer coefficient changes by means of another variable resistor.The conclusions of expressions for the tuned parameters of the suggested circuit of the active band-pass RC-filter confirming the research are provided, as well as the filter frequency characteristics and tunable parameter diagrams. Filter implementation is supported by simulation with the use of MicroCap10 software.

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Sussman-Fort, Stephen E., Laurent Billonnet et Bernard Jarry. « Microwave, biquadratic, active-RC filter development ». International Journal of RF and Microwave Computer-Aided Engineering 8, n^o 2 (mars 1998) : 102–15. http://dx.doi.org/10.1002/(sici)1099-047x(199803)8:2<102 ::aid-mmce4>3.0.co;2-p.

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Matovic, Ana, et Marija Matovic. « Sensitivity optimization of direct form realization of active-RC all-pole filters ». Facta universitatis - series : Electronics and Energetics 16, n^o 2 (2003) : 259–71. http://dx.doi.org/10.2298/fuee0302259m.

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In this paper, a procedure for direct form realization of Active-RC all-pole filters is presented. The filters are based on the resistance-capacitance ladder structure combined with the single operational amplifier and multiple feedback for complex pole realization. Recursive formulas have been developed that determine transfer function coefficients and derivation of transfer function coefficient with respect to filter components. These design equations are developed without knowing filter coefficients in terms of filter components in closed form, and they are necessary and sufficient for the filter design. Performance of these filters base been compared with the classical cascade form realization.

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UPATHAMKUEKOOL, CHAIRAT, AMORN JIRASEREE-AMORNKUN et JIRAYUTH MAHATTANAKUL. « DESIGN OF LOW-VOLTAGE LOW-POWER COMPLEX ACTIVE-RC FILTERS ». Journal of Circuits, Systems and Computers 22, n^o 09 (octobre 2013) : 1340003. http://dx.doi.org/10.1142/s0218126613400033.

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In this paper, novel realization of low-voltage low-power active-RC complex filters is presented. The previously proposed method to compensate for opamp non-idealities in real active-RC filter design, which is suitable for low-power low-voltage application, is extended such that it can be used in the case of complex filter design. Subsequently, fifth-order Chebyshev complex filter with 1-MHz center frequency, bandwidth and 0.5-dB bandpass ripple has been designed for Bluetooth application. Simulation results show that the designed complex filter consumes about 1 mW under 1-V single supply. Its image rejection ratio (IRR) and out-of-band third-order input intercept point (IIP3) are about 80 dB and 37.5 dBV p respectively.

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Stojanovic, Vidosav, Negovan Stamenkovic et Nikola Stojanovic. « Active RC filter based implementation analysis part of two channel hybrid filter bank ». Serbian Journal of Electrical Engineering 11, n^o 4 (2014) : 565–84. http://dx.doi.org/10.2298/sjee1404565s.

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In the present paper, a new design method for continuous-time powersymmetric active RC filters for Hybrid Filter Bank (HFB) is proposed. Some theoretical properties of continious-time power-symmetric filters bank in a more general perspective are studied. This includes the derivation of a new general analytical form, and a study of poles and zeros locations in s-plane. In the proposed design method the analytic solution of filter coefficients is solved in sdomain using only one nonlinear equation Finally, the proposed approximation is compared to standard approximations. It was shown that attenuation and group delay characteristic of the proposed filter lie between Butterworth and elliptic characteristics.

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Ishibashi, Y. « Active RC filter based on simulation of dissipative LC filters ». IEE Proceedings - Circuits, Devices and Systems 141, n^o 2 (1994) : 101. http://dx.doi.org/10.1049/ip-cds:19949718.

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Thèses sur le sujet "Active-RC Filter"

Goldman, Matthew 1965. « A low sensitivity dual feedback active RC bandpass filter ». Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277139.

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This thesis presents the analysis and characterization of a low sensitivity dual feedback active RC bandpass filter. Chapter 2 details the analysis of the network and a method of simplifying the resultant transfer function by a single pole/zero cancellation. Chapter 3 characterizes the simplified transfer function through an analysis of the quality factor and of the center frequency gain as functions of the individual variables of the circuit. It also details sensitivity analyses of these characteristic quantities and a stability analysis. Lastly, chapter 3 presents graphical representations of the equations developed so that they can be used as design tools. It then goes through the details of applying these graphs to an example network. Chapter 4 explains the differences between experimental data and predicted data by discussing some of the nonlinearities neglected in the original analysis. Finally chapter 5 restates the design technique in light of the predominant nonlinearities.

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Deville, Yannick. « Filtres actifs RC hyperfréquences intégrés sur arséniure de gallium ». Grenoble 1, 1989. http://www.theses.fr/1989GRE10015.

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Les filtres etudies sont en grande partie des filtres d'ordre 2: filtres passe-bande a forte selectivite, filtre coupe-bande, filtres passe-tout. Ces filtres passe-tout ont ete utilises pour realiser des dephaseurs 90**(o) large bande

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FARY, FEDERICO. « Integrated Circuits Design in Down-scaled Technologies for Wireless Applications ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/301984.

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Negli ultimi 30 anni, l’elettronica per le Telecomunicazioni Wireless si è dimostrata una delle forze trainanti nello sviluppo delle nuove tecnologie Complementary Metal-OxideSemiconductor (CMOS). Questa piccola branca del vasto mondo dell’elettronica è infatti in grado di smuovere, in tutto il mondo, miliardi di dollari, molti dei quali inevitabilmente finiscono per finanziare gli avanzati progetti di ricerca in grado di rispondere alle domande del Mercato. In tutto il mondo, le persone chiedono nuovi dispositivi portatili, più performanti, più veloci, più affidabili, che consumino poca potenza e che abbiano una maggiore capacità di immagazzinare dati. Per rispondere a queste richieste, fisici e ingegneri hanno sviluppato nuovi e incredibili nodi tecnologici ultra-scalati, che soddisfano i requisiti di velocità e bassi consumi, garantendo un’impressionante densità circuitale. Al giorno d’oggi, le fonderie come TSMC e Samsung sono in grado di realizzare transistor estremamente piccoli, con lunghezze di canale di soli 7 nm e frequenze di transizione nell’ordine delle centinaia di GHz. Questo sviluppo si rivela estremamente favorevole per lo sviluppo di dispositivi digitali ad alte prestazioni, che raggiungono performance di velocità e di memoria prima inimmaginabili. Non di meno, anche i blocchi analogici devono essere integrati in questi nodi estremamente scalati, in modo da potersi adattare ai circuiti integrati (IC) digitali. Primo obiettivo di questo lavoro di tesi è, quindi, lo sviluppo di IC analogici in nodi tecnologici deep-submicron, come il 28 nm bulk-CMOS e il 16 nm FinFET (Fin Field Effect Transistor). Questo obiettivo è stato raggiunto affrontando diverse difficoltà date dalle scarse performance analogiche di queste tecnologie avanzate, tra cui un basso guadagno intrinseco e una limitata tensione di alimentazione. Il secondo obiettivo di questo lavoro è stato sviluppare questi stessi IC in modo che fossero compatibili con i più moderni standard per telecomunicazioni come LTE e 5G. L’aumento del numero dei dispositivi portatili in tutto il mondo ha, infatti, fatto sì che fosse necessario introdurre nuovi standard, in modo da poter gestire il numero maggiore di dispositivi connessi. Questo lavoro presenta 4 blocchi fondamentali che possono essere impiegati in qualsiasi transceiver di nuova generazione. In particolare, questo lavoro analizza, attraverso estensive simulazioni e misure, 3 filtri analogici in Banda-Base e un amplificatore a guadagno variabile compatibili con applicazioni 5G. Questi design sono stati sviluppati in tecnologia 28 nm CMOS e 16 nm FinFET. Per ogni design vengono mostrate le più importanti difficoltà incontrate e vengono riportate le performance di ogni prototipo in modo da essere confrontate con lo stato dell’arte. Il primo dispositivo e un filtro analogico del sesto ordine basato su una cella Rauch che sfrutta un amplificatore a banda larga per raggiungere alte performance di linearità e una bassa sensitivity del fattore di qualità. Il secondo è un amplificatore a guadagno variabile del terzo ordine, a basso rumore e alta linearità, studiato per essere integrato nella sezione in Banda Base di un dispositivo transceiver Full Duplex compatibile con il 5G. Il terzo e il quarto sono filtri analogici del quarto ordine basati sulla struttura del source-follower, a basso rumore e bassi consumi. Il primo sfrutta la topologia del Flipped-Source-Follower, mentre il secondo integra un innovativo Fully-Differential Super-Source-Follower. Quest’ultimo design inoltre sfrutta la tecnologia FinFET in modo da mantenere alte performance di linearità, nonostante la struttura completamente differenziale, grazie al più grande guadagno intrinseco dei transistor in questo nodo tecnologico.
In the last 30 years, Mobile Telecommunication (TLC) electronics proved to be one of the major driving motors in the development of new Complementary Metal-OxideSemiconductor (CMOS) technologies. This limited branch of the electronics world managed to move billions of dollars worldwide, some of which unavoidably ended up in financing advanced research projects to answer market demands. People all around the world ask for extremely performing portable devices, faster, more reliable, low power consuming and with impressive memory capability. To answer all these requests, physics and engineers developed new and incredibly down-scaled technology nodes, which met the high speed and low power consumption requirement, granting an impressive circuital density. Nowadays foundries such as TSMC or Samsung are able to manufacture incredibly small transistor devices, with channel length in the order of only 7 nm and transition frequency in the order of several hundreds of GHz. This situation has become extremely favorable for the development of high-performance digital devices, which are able to reach speed and memory capability previously unbelievable. Nonetheless, also analog building blocks must be integrated in deeply down-scaled node, in order to adapt with digital ICs. First task of this thesis work is to develop analog ICs in deep sub-micron technology nodes, such as 28 nm bulk-CMOS and 16 nm FinFET (Fin Field Effect Transistor). This has been accomplished facing several difficulties given by the very poor analog behavior of such advanced technologies, especially in terms of low transistor intrinsic gain and limited signal headroom, caused by the low supply voltage. The second task of this work is to develop these same analog ICs in order that they meet requirements of the most advanced TLC standards, such as LTE and 5G. The increased number of portable devices worldwide made in fact unavoidable the introduction of new communication standards, in order to face the huge number of connected devices. This work presents 4 building blocks that can be exploited in every next generation transceiver device. In detail, this work analyzes though extended simulations and measurements 3 Base-Band analog filters and 1 variable gain amplifier, suitable for 5G applications. These designs have been developed in 28nm CMOS and 16 nm FinFET. Each design shows the most important difficult that was faced for its realization and highlight the most important performances of every prototype device, with an extensive confrontation with the State-of-the Art. The first device is a 6th Order Rauch based analog filter, which exploit a large bandwidth amplifier to achieve low quality factor sensitivity and high linearity performances. The second is a 3rd order variable gain amplifier, with low noise and high linearity performances, suitable to be integrated in a Full-Duplex 5G transceiver Base-Band section. The third and fourth devices are Source-Follower-based 4th order filters with very low noise and low power performances. One exploit the Flipped-Source-Follower architecture, while the second integrates an innovative Fully-Differential Super-Source-Follower topology. This last design also exploits the advanced FinFET technology, which shows better intrinsic gain, in order to maintain high linearity performances, despite the Fully-Differential configuration.

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O'Carroll, A. P. « A study of the higher-frequency performance of operational-amplifier analogue filters : active-RC and active-R filter sections using integrated operational amplifiers are investigated up to the medium frequency communications band by consideration of ». Thesis, University of Bradford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235719.

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Kubát, Pavel. « Analogové elektronické emulátory obvodů neceločíselného řádu ». Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442475.

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Diploma thesis deals with circuits contain fractional-order elements. The first part of this paper deals with this problem, there were also described methods of design fractionalorder elements and types of circuits containing the fractiona-order elements which can be applied in practice. Used active elements for practical part can be found in the second chapter. Design of GIC circuits and implementation of fractional-order element inside the circuit are shown in the last chapture. Parasitic analysis and stability of frequency filter containing fractional-order element had been also described.

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Paschal, Matthew James 1964. « Compensation techniques for gain-bandwidth effects of active RC filters ». Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/278081.

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The gain-bandwidth (GB) product of an operational amplifier (op amp) can effect the filtering characteristics of an infinite gain, multiple feedback, low pass active RC filter. In this thesis, the characteristics of ideal op amps and actual op amps are compared. The op amp is characterized by a dominant single pole, which is used to develop a third order voltage transfer function that describes the op amp's gain-bandwidth effects on the filter. Optimization theory is used to find adjusted values for the filter's elements to compensate for these GB effects. Of the sixty-five compensation design methods examined with the optimization program GOSPEL, twelve methods produced useful compensation results. The adjusted element values are tabulated and displayed in design graphs for several values of GB and quality factor, Q. The twelve design techniques were verified by simulating the filter with the adjusted element values using PSpice.

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Kumar, Anil. « Estimation and Mapping of Ship Air Wakes using RC Helicopters as a Sensing Platform ». Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/82910.

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This dissertation explores the applicability of RC helicopters as a tool to map wind conditions. This dissertation presents the construction of a robust instrumentation system capable of wireless in-situ measurement and mapping of ship airwake. The presented instrumentation system utilizes an RC helicopter as a carrier platform and uses the helicopter's dynamics for spatial 3D mapping of wind turbulence. The system was tested with a YP676 naval training craft to map ship airwake generated in controlled heading wind conditions. Novel system modeling techniques were developed to estimate the dynamics of an instrumented RC helicopter, in conjunction with onboard sensing, to estimate spatially varying (local) wind conditions. The primary problem addressed in this dissertation is the reliable estimation and separation of pilot induced dynamics from the system measurements, followed by the use of the dynamics residuals/discrepancies to map the wind conditions. This dissertation presents two different modelling approaches to quantify ship airwake using helicopter dynamics. The helicopter systems were characterized using both machine learning and analytical aerodynamic modelling approaches. In the machine learning based approaches, neural networks, along with other models, were trained then assessed in their capability to model dynamics from pilot inputs and other measured helicopter states. The dynamics arising from the wind conditions were fused with the positioning estimates of the helicopter to generate ship airwake maps which were compared against CFD generated airwake patterns. In the analytical modelling based approach, the dynamic response of an RC helicopter to a spatially varying parameterized wind field was modeled using a 30-state nonlinear ordinary differential equation-based dynamic system, while capturing essential elements of the helicopter dynamics. The airwake patterns obtained from both types of approach were compared against anemometrically produced wind maps of turbulent wind conditions artificially generated in a controlled indoor environment. Novel hardware architecture was developed to acquire data critical for the operation and calibration of the proposed system. The mechatronics design of three prototypes of the proposed system were presented and performance evaluated using experimental testing with a modified YP676 naval training vessel in the Chesapeake Bay area. In closing, qualitative analysis of these systems along with potential applications and improvements are discussed to conclude this dissertation.
Ph. D.

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« Audio band integrated active RC filter with digital frequency tuning ». 2005. http://library.cuhk.edu.hk/record=b5892395.

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Yeung Nang Ching.
Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.
Includes bibliographical references (leaves 72-74).
Abstracts in English and Chinese.
ACKNOWLEDGMENTS --- p.I
ABSTRACT --- p.II
摘要 --- p.III
TABLE OF CONTENTS --- p.IV
LIST OF FIGURES --- p.VII
LIST OF TABLES --- p.X
Chapter CHAPTER 1 --- INTRODUCTION --- p.1
Chapter 1.1 --- Overview of filter --- p.1
Chapter 1.1.1 --- History --- p.1
Chapter 1.1.2 --- Application of analog filter --- p.2
Chapter 1.1.3 --- Category of continuous time filters --- p.3
Chapter 1.1.4 --- Problem issued from Active RC filter --- p.7
Chapter 1.2 --- Motivation --- p.7
Chapter 1.3 --- Outline --- p.8
Chapter CHAPTER 2 --- FILTER FUNDAMENTAL --- p.9
Chapter 2.1 --- Overview --- p.9
Chapter 2.2 --- Terminology --- p.9
Chapter 2.3 --- General Goals of Filter Design --- p.11
Chapter 2.4 --- Standard Lowpass Filter Characteristic --- p.11
Chapter 2.4.1 --- Butterworth --- p.11
Chapter 2.4.2 --- Chebyshev --- p.12
Chapter 2.4.3 --- Elliptic-Function --- p.13
Chapter 2.5 --- Study on Different Tuning Approaches --- p.13
Chapter CHAPTER 3 --- CURRENT DIVISION NETWORK (CDN) --- p.18
Chapter 3.1 --- Overview of Current Division Technique --- p.18
Chapter 3.2 --- Second Order Effects --- p.23
Chapter 3.3 --- Working Principle of CDN --- p.23
Chapter 3.4 --- Performances of CDN --- p.25
Chapter 3.4.1 --- General Properties of CDN --- p.25
Chapter 3.4.2 --- Input Resistances of CDN --- p.26
Chapter 3.4.3 --- Noise Performance of CDN --- p.27
Chapter CHAPTER 4 --- REALIZATION OF THE FILTER --- p.31
Chapter 4.1 --- Overview --- p.31
Chapter 4.2 --- Traditional Kerwin Huelsman Newcomb (KHN) Biquad --- p.31
Chapter 4.2.1 --- State Variable Method --- p.31
Chapter 4.2.2 --- KHN Biquad --- p.32
Chapter 4.3 --- Proposed Filter --- p.33
Chapter 4.3.1 --- Biquad with CDN --- p.33
Chapter 4.3.2 --- A dvantages of Proposed Filter --- p.36
Chapter 4.3.3 --- Schematic of Proposed Filter --- p.38
Chapter CHAPTER 5 --- LAYOUT CONSIDERATION --- p.41
Chapter 5.1 --- Overview --- p.41
Chapter 5.2 --- Process Information --- p.41
Chapter 5.3 --- Transistor Layout Techniques --- p.42
Chapter 5.3.1 --- Multi-finger Layout Technique --- p.42
Chapter 5.3.2 --- Common-Centroid Structure --- p.43
Chapter 5.3.3 --- Guard Ring --- p.45
Chapter 5.4 --- Passive Element Layout Techniques --- p.45
Chapter 5.5 --- Layout of Whole Design --- p.47
Chapter CHAPTER 6 --- SIMULATION RESULT --- p.49
Chapter 6.1 --- Operational Amplifier --- p.49
Chapter 6.2 --- Overall Performance of filter --- p.55
Chapter CHAPTER 7 --- MEASUREMENT RESULT --- p.60
Chapter 7.1 --- Measurement Setup --- p.60
Chapter 7.2 --- Time Domain Measurement --- p.62
Chapter 7.3 --- Frequency Domain Measurement --- p.63
Chapter 7.4 --- Measurement of Non-Linearity --- p.66
Chapter 7.5 --- Summary of the Performance --- p.69
Chapter 7.6 --- Comparison on Tuning Ability --- p.70
Chapter CHAPTER 8 --- CONCLUSION --- p.71
BIBLIOGRAPHY --- p.72

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Kulkarni, Raghavendra Laxman. « Analog Baseband Filters and Mixed Signal Circuits for Broadband Receiver Systems ». Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10550.

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Data transfer rates of communication systems continue to rise fueled by aggressive demand for voice, video and Internet data. Device scaling enabled by modern lithography has paved way for System-on-Chip solutions integrating compute intensive digital signal processing. This trend coupled with demand for low power, battery-operated consumer devices offers extensive research opportunities in analog and mixed-signal designs that enable modern communication systems. The first part of the research deals with broadband wireless receivers. With an objective to gain insight, we quantify the impact of undesired out-band blockers on analog baseband in a broadband radio. We present a systematic evaluation of the dynamic range requirements at the baseband and A/D conversion boundary. A prototype UHF receiver designed using RFCMOS 0.18[mu]m technology to support this research integrates a hybrid continuous- and discrete-time analog baseband along with the RF front-end. The chip consumes 120mW from a 1.8V/2.5V dual supply and achieves a noise figure of 7.9dB, an IIP3 of -8dBm (+2dbm) at maximum gain (at 9dB RF attenuation). High linearity active RC filters are indispensable in wireless radios. A novel feed-forward OTA applicable to active RC filters in analog baseband is presented. Simulation results from the chip prototype designed in RFCMOS 0.18[mu]m technology show an improvement in the out-band linearity performance that translates to increased dynamic range in the presence of strong adjacent blockers. The second part of the research presents an adaptive clock-recovery system suitable for high-speed wireline transceivers. The main objective is to improve the jitter-tracking and jitter-filtering trade-off in serial link clock-recovery applications. A digital state-machine that enables the proposed mixed-signal adaptation solution to achieve this objective is presented. The advantages of the proposed mixed-signal solution operating at 10Gb/s are supported by experimental results from the prototype in RFCMOS 0.18[mu]m technology.

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Amir, Aslanzadeh Mamaghani Hesam. « Design of a Direct-Modulation Transmitter with Self-Optimizing Feedback and a Highly Linear, Highly Reconfigurable, Continuously-Tunable Active-RC Baseband Filter for Multiple Standards ». Thesis, 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-12-7479.

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This work consists of two main parts: i) Design and implementation of a compact current-reusing 2.4GHz direct-modulation transmitter with on-chip automatic tuning; ii) Design and implementation of a novel highly-reconfigurable, continuously tunable, power-adjustable Active-RC filter for multiple standards. The design, analysis, and experimental verification of a proposed self-calibrating, current reused 2.4GHz, direct-modulation transmitter are introduced. A stacked arrangement of the power amplifier/voltage-controlled oscillator is presented along with a novel LC-tank-tuning algorithm with a simple, low-cost, on-chip implementation. To transmit maximum power, the tuning loop ensures the PA's resonant tank is centered around the operating frequency, and the loop requires no ADC, DSP, or external signal generator. This work also details the proposed tuning-loop algorithm and examines the frequency-dependent nonlinear power-detector. The system was implemented in TSMC 0.18[mu]m CMOS, occupies 0.7 mm² (TX) + 0.1 mm² (self tuning), and was measured in a QFN48 package on FR4 PCB. Automatically adjusting the tank-tuning bits within their tuning range results in >4dB increase in output power. With the self-tuning circuit active, the transmitter delivers a measured output power of > 0dBm to a 100-[omega] differential load, and the system consumes 22.9 mA from a 2.2-V supply. A biquad design methodology and a baseband low-pass filter is presented for wireless and wireline applications with reconfigurable frequency response, selectable order (1st/3rd/5th), continuously tunable cutoff frequency (1MHz-20MHz) and adjustable power consumption (3mW-7.5mW). A discrete capacitor array coarsely tunes the low-pass filter, and a novel Continuous Impedance Multiplier (CIM) then finely tunes the filter. Resistive/capacitive networks select between the Chebyshev and Inverse Chebyshev approximation types. Also, a new stability metric for biquads, Minimum Acceptable Phase Margin (MAPM), is presented and discussed in the context of filter compensation and passband ripple considerations. Experimental results yield an IIP3 of 31.3dBm, a THD of -40dB at 447mV[subscript pk, diff] input signal amplitude, and a DR of 71.4dB. The filters tunable range covers frequencies from 1MHz to 20MHz. In Inverse Chebyshev mode, the filter achieves a passband group delay variation less than ±2:5%. The design is fabricated in 0.13[mu]m CMOS, occupies 1.53mm², and operates from a 1-V supply.

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Livres sur le sujet "Active-RC Filter"

Jean-Claude, Berka, dir. Active RC filter design. Amsterdam : Elsevier, 1986.

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W, Stephenson F., dir. RC active filter design handbook. New York : Wiley, 1985.

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Ghausi, Mohammed Shuaib. Modern filter design : Active RC and switched capacitor. Atlanta, GA : Noble, 2003.

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service), SpringerLink (Online, dir. VLSI Analog Filters : Active RC, OTA-C, and SC. Boston : Birkhäuser Boston, 2013.

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Schaumann, Rolf. Design of analog filters : Passive, active RC, and switched capacitor. Englewood Cliffs, N.J : Prentice-Hall, 1990.

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Schaumann, Rolf. Design of analog filters : Passive, active, RC and switched capacitor. Englewood Cliffs : Prentice-Hall, 1990.

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Severo, Lucas Compassi, et Wilhelmus Adrianus Maria Van Noije. Ultra-low Voltage Low Power Active-RC Filters and Amplifiers for Low Energy RF Receivers. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90103-5.

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Ghausi et Laker. Modern Filter Design : Active RC and switched capacitor. Institution of Engineering and Technology, 2003. http://dx.doi.org/10.1049/sbcs005e.

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Ghausi, Mohammed S., et Kenneth R. Laker. Modern Filter Design : Active RC and Switched Capacitor. Institution of Engineering & Technology, 2013.

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Mohan, P. V. Ananda. VLSI Analog Filters : Active RC, OTA-C, and SC. Birkhäuser, 2012.

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Chapitres de livres sur le sujet "Active-RC Filter"

Moschytz, George S. « Passive LCR and Active-RC Filters ». Dans Analog Circuit Theory and Filter Design in the Digital World, 149–66. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-00096-7_7.

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Litovski, Vančo. « Active RC Cascade Circuit Synthesis ». Dans Electronic Filters, 293–329. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9852-1_15.

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Litovski, Vančo. « Parallel Active-RC Circuit Synthesis ». Dans Electronic Filters, 331–47. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9852-1_16.

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Faruque, Saleh. « Baseband Filters : Active RC Filters ». Dans SpringerBriefs in Electrical and Computer Engineering, 21–46. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15609-5_2.

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Mohan, P. V. Ananda. « Active RC Filters Using Opamps ». Dans VLSI Analog Filters, 13–146. Boston, MA : Birkhäuser Boston, 2012. http://dx.doi.org/10.1007/978-0-8176-8358-0_2.

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Dutta Roy, Suhash Chandra. « Tolerance Minded Design of Active RC Bandpass Filters ». Dans Topics in Signal Processing, 73–78. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9532-1_9.

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Severo, Lucas Compassi, et Wilhelmus Maria Adrianus Van Noije. « ULV and ULP Operational Amplifiers for Active-RC Filters ». Dans Ultra-low Voltage Low Power Active-RC Filters and Amplifiers for Low Energy RF Receivers, 11–31. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90103-5_2.

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Tan, Lingling, Fei Yang et Junkai Yi. « Systematic Synthesis of Active RC Filters Using NAM Expansion ». Dans Lecture Notes in Electrical Engineering, 545–54. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8411-4_74.

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Dutta Roy, Suhash Chandra. « Active RC Filters Using a Single Differential Input Operational Amplifier ». Dans Topics in Signal Processing, 79–86. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9532-1_10.

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Dutta Roy, Suhash Chandra. « Second-Order Active RC Filters Using a Single Operational Amplifier ». Dans Topics in Signal Processing, 57–72. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9532-1_8.

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Actes de conférences sur le sujet "Active-RC Filter"

Brezovic, Zdenko, et Vladimir Kudjak. « Active RC notch filter for phase-locked loop ». Dans 2010 20th International Conference Radioelektronika (RADIOELEKTRONIKA 2010). IEEE, 2010. http://dx.doi.org/10.1109/radioelek.2010.5478553.

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Muhammed, Mansoor C. B., et S. Rekha. « Low Power Active-RC Filter for ECG Detection ». Dans 2019 Global Conference for Advancement in Technology (GCAT). IEEE, 2019. http://dx.doi.org/10.1109/gcat47503.2019.8978276.

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Khumsat, Phanumas, et Apisak Worapishet. « Single-stage CMOS OTA for active-RC filter design ». Dans 2007 European Conference on Circuit Theory and Design (ECCTD 2007). IEEE, 2007. http://dx.doi.org/10.1109/ecctd.2007.4529626.

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Panyanouvong, N., S. Luangphakorn, V. Pirajnanchai, P. Tangisanon et K. Janchitrapongvej. « Designing active lowpass filter using uniformly distributed RC line ». Dans Proceedings of 2003 International Conference on Neural Networks and Signal Processing. IEEE, 2003. http://dx.doi.org/10.1109/icnnsp.2003.1279348.

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De Matteis, M., T. Vergine, G. Cocciolo, A. Baschirotto et M. Conta. « A programmable active-RC complex filter for wireless communications ». Dans 2009 16th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2009). IEEE, 2009. http://dx.doi.org/10.1109/icecs.2009.5410971.

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Sun, Cao, Fu-Le Li, Wei-Tao Li et Han-Jun Jiang. « A configurable active-RC filter for half-duplex transceiver ». Dans 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology (ICSICT). IEEE, 2012. http://dx.doi.org/10.1109/icsict.2012.6467708.

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Sheng, Zhang, Su Jishi, Yu Shuibao et Chen Xi. « Research on Integrated Technology of RC Active Filter Optimization ». Dans 2010 International Conference on Intelligent Computation Technology and Automation (ICICTA). IEEE, 2010. http://dx.doi.org/10.1109/icicta.2010.597.

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Khumsat, Phanumas, Apisak Worapishet et Phaophak Sirisuk. « Single-stage CMOS OTA for active-RC filter design ». Dans 2007 Asia Pacific Conference on Communications. IEEE, 2007. http://dx.doi.org/10.1109/apcc.2007.4433500.

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Junya Matsuno, Hiroki Sato, Akira Hyogo et Keitaro Sikine. « 3-phase active-RC Tow-Thomas biquad complex filter ». Dans 2007 Joint 50th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS) and the IEEE Northeast Workshop on Circuits and Systems (NEWCAS 2007). IEEE, 2007. http://dx.doi.org/10.1109/mwscas.2007.4488639.

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Jinup Lim, Sanghyun Cha, Huikwan Yang, Seungyun Lee, Sangheon Lee et Joongho Choi. « A low-voltage active-RC filter for wideband communication transceivers ». Dans 2007 International Symposium on Communications and Information Technologies. IEEE, 2007. http://dx.doi.org/10.1109/iscit.2007.4392026.

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