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Nested Miller Compensation Based Op-Amp Design for Piezoelectric Actuators

Dincer GOKCEN, Mehmet Akif ÇELİK, Fatih Emre AYDOS
2020 Balkan Journal of Electrical and Computer Engineering  
According to simulation results, the proposed op-amp has a slew rate of 0.5 V/μs, an open loop gain of 90dB with 3MHz Gain Bandwidth Product (GBP) and phase margin of 77°, and a common mode rejection ratio  ...  Driving a piezoelectric actuator represents a challenge in amplifier design due to its large capacitive nature. A stable piezo driver needs to be free of oscillations and phase lag.  ...  CIRCUIT DESIGN AND PROTOTYPING Especially for large capacitive loads, control of oscillations at the output voltage becomes a crucial task to be examined for a universal piezo driver design.  ... 
doi:10.17694/bajece.585798 fatcat:24c2h4abkjcsnlpol3erbllbyy

Modified CMOS Positive Current Conveyor Based True RC Sinusoidal Oscillator

Anil Kumar Sharma, Dipankar Pal
2010 International Journal of Engineering and Technology  
The circuit allows independent control of the oscillation conditions and oscillation frequencies which are controllable with the help of resistors RF and a few capacitors i.e.  ...  CONCLUSION AND FUTRE SCOPE A proposed modified CMOS CCII+ based Sinusoidal Oscillator has been described and simulated up to a maximum frequency of 94 MHz.  ... 
doi:10.7763/ijet.2010.v2.153 fatcat:pmszfi4fbnghhgnzppt74it3oe

Bidirectional Current-Mode Capacitor Multipliers for On-Chip Compensation

Ke-Horng Chen, Chia-Jung Chang, Te-Hsien Liu
2008 IEEE transactions on power electronics  
The bidirectional current mode capacitor multiplier technique can effectively move the crossover frequency toward to the origin in the start-up period for a smoothly rising of the output voltage.  ...  a Project Manager with ACARD, Ltd., where he worked on the designs of the power management IC.  ...  There is a voltage-mode Miller capacitor multiplier applied in phase-locked loops needs a negative gain amplifier Fig. 4 .  ... 
doi:10.1109/tpel.2007.911776 fatcat:7lizwyifu5gcxlwp6bl7dibky4

Active capacitor multiplier in Miller-compensated circuits

G.A. Rincon-Mora
2000 IEEE Journal of Solid-State Circuits  
Increasing the capacitance with a current-mode multiplier allows the circuit to occupy less silicon area and to more effectively drive capacitive loads.  ...  Die area in such systems is a luxury. The increasing demand for mobile battery-operated devices is a driving force towards higher integration.  ...  Multiplied-Miller Capacitor Complementing the already existing voltage-mode gain factor with a current-mode capacitor multiplier enhances the effects of the Miller capacitor.  ... 
doi:10.1109/4.818917 fatcat:7fkaucu6zfb6ljbdfnkk4aqynm

Analysis of the three-chip switching cells approach for integrated multiphase power converter combining monolithic and hybrid techniques: Experimental validation on SiC and Si power assembly prototypes

Adem Lale, Nicolas Videau, Abdelhakim Bourennane, Frederic Richardeau, Samuel Charlot
2015 2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe)  
Integration of both decoupling and filtering capacitors with chips allow to reduce strongly stray inductances values, compared to a power module (type IPM internal stray > 20nH).  ...  The principle consists in controlling the phase leg with two pulses.  ... 
doi:10.1109/epe.2015.7311711 fatcat:5tjgw45lnrhh7lrjv2kgxx7zfq

Impact of voltage dip induced delayed active power recovery on wind integrated power systems

Z.H. Rather, D. Flynn
2017 Control Engineering Practice  
power reference, or delta voltage reference, depending on WT control mode  ...  voltage for voltage PI controller integral term Minimum voltage for voltage PI controller integral term User defined bias in voltage reference Voltage threshold for LVRT detection in q control Time constant  ...  This publication has emanated from research conducted with the financial support of Science Foundation Ireland under grant number 09/IN.1/I2608.  ... 
doi:10.1016/j.conengprac.2017.01.003 fatcat:m3hxnzc4ovftfbemuxlhhaog4q

UPFC Integrated With Battery Energy Storage Systems for Stability Improvement

K. Saravanan, Dawit Leykuen Berhanu, Getnet Zewde Somano
2014 Energy Review  
To avoid such problems need to find out devices that can provide a backup during the time of voltage sags and such deviations.  ...  This paper concentrated in integrating UPFC with battery energy storage system which helps to improving the reliable operation of the power systems.  ...  This integrated system results in a lot of economical and versatile power transmission controller for the power system.  ... 
doi:10.18488/journal.81/2014.1.2/81.2.76.86 fatcat:x4owy3dahzce3ms6vy6h2frxyu

Page 337 of Applied Mechanics Reviews Vol. 4, Issue 6 [page]

1951 Applied Mechanics Reviews  
When the trigger circuit is pulsed by a suitable vitive polarity external signal, a capacitance charges through « watode circuit, which acts as a Miller integrator.  ...  \liller integrator realizes very long periodic and single sweep buses with a high degree of linearity.  ... 

A power efficient 26-GHz 32:1 static frequency divider in 130-nm bulk CMOS

Changhua Cao, K.K. O
2005 IEEE Microwave and Wireless Components Letters  
By optimizing transistors size, high operating speed is achieved with limited power consumption. For an input power of 0 dBm, the 32:1 divider operates up to 26 GHz with a 1.5-V supply voltage.  ...  A 32:1 static frequency divider consisting of five stages of 2:1 dividers using current mode logic (CML) was fabricated in a 130-nm bulk complementary metal-oxide semiconductor (CMOS) logic process.  ...  valid OMB control number.  ... 
doi:10.1109/lmwc.2005.858998 fatcat:ke6w7bufhbemddju365h77vim4

Tales of the Continuum: A Subsampled History of Analog Circuits

Thomas H. Lee
2007 IEEE Solid-State Circuits Society Newsletter  
While Q1 acts as a selfquenched LC oscillator in the receive mode, a quartz crystal is used to control the frequency of oscillation during transmit.  ...  The speaker doubles as a micro-phone in this mode. Transistor Q1 does all the RF work in this circuit. In receive mode, Q1 is configured as a Colpitts oscillator with unstable bias.  ...  If that weren't impressive enough, he included a bandgap voltage reference (the reader will note that the nominal supply voltage does not exceed a bandgap voltage).  ... 
doi:10.1109/n-ssc.2007.4785653 fatcat:7jmqvab6zjdr7gwautpajpesfu

Improving the Short-Circuit Reliability in IGBTs: How to Mitigate Oscillations

Paula Diaz Reigosa, Francesco Iannuzzo, Munaf Rahimo, Chiara Corvasce, Frede Blaabjerg
2018 IEEE transactions on power electronics  
For the first time, it has been discovered that a parametric oscillation takes place during the short-circuit in IGBTs, whose time-varying element is the Miller capacitance, which is involved in the amplification  ...  The work presented here is based on a timedomain approach for two different IGBT cell structures (i.e., trench-gate and planar), illustrating the 2-D effects during one oscillation cycle.  ...  Semiconductors, Lenzburg, Switzerland for sharing a realistic planar and trench IGBT models for Finite-Element Simulations with TCAD and their helpful discussions.  ... 
doi:10.1109/tpel.2017.2783044 fatcat:upxcpdqht5czhggtllqlckzvgi

Adaptive Pole-Zero Position (APZP) Technique of Regulated Power Supply for Improving SNR

Chun-Yu Hsieh, Ke-Horng Chen
2008 IEEE transactions on power electronics  
Before the output voltage is regulated back to its voltage level, the APZP technique merely functions as a linear control method to regulate output voltage in order to ensure the stability of the system  ...  The APZP technique triggers the two-step nonlinear control mechanism to speed up the transient response at the beginning of load variations.  ...  It is why we use a current-mode Miller capacitor to speed up, and compensate current-mode buck dc-dc converters.  ... 
doi:10.1109/tpel.2008.2003014 fatcat:slcpndbcjzezllmckr3xk6x2wu

LC-Tank Colpitts Injection-Locked Frequency Divider With Record Locking Range

S.-L. Jang, S.-H. Huang, C.-F. Lee, M.-H. Juang
2008 IEEE Microwave and Wireless Components Letters  
The ILFD is based on a differential voltage controlled oscillator (VCO) with two embedded injection metal oxide semiconductor field effect transistors (MOSFETs) for coupling external signal to the resonators  ...  Index Terms-CMOS, LC-tank injection-locked frequency divider (ILFD), locking range, voltage controlled oscillator (VCO).  ...  Oscillation frequency is (1b) The circuit is a type of Colpitts oscillator [7] .  ... 
doi:10.1109/lmwc.2008.2001023 fatcat:m2prq3r3argwjbagoctx7a3woa

Table of Contents

2020 IEEE transactions on power electronics  
Flexible Mode Electrolytic Capacitor-Free LED Driver With High Efficiency Over a Wide Range of Input Voltage . . Power Loss Model and Device Sizing Optimization of Si/SiC Hybrid Switches . . . . . Z.  ...  Graeb 8173 A Generalized Multifrequency Small-Signal Model for High-Bandwidth Buck Converters Under Constant-Frequency Voltage-Mode Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ... 
doi:10.1109/tpel.2020.2982054 fatcat:4s7kfi3wybdpvl23dh3iahlzeu

W-Band Silicon-Based Frequency Synthesizers Using Injection-Locked and Harmonic Triplers

Chun-Cheng Wang, Zhiming Chen, Payam Heydari
2012 IEEE transactions on microwave theory and techniques  
Two monolithically integrated W-band frequency synthesizers are presented. Implemented in a 0.18 m SiGe BiCMOS with of 200/180 GHz, both circuits incorporate the same 30.3-33.8 GHz PLL core.  ...  One synthesizer uses an injection-locked frequency tripler (ILFT) with locking range of 92.8-98.1 GHz and the other employs a harmonic-based frequency tripler (HBFT) with 3-dB bandwidth of 10.5 GHz from  ...  The reference frequency input is provided by an on-board 125 MHz voltage controlled crystal oscillator (VCXO).  ... 
doi:10.1109/tmtt.2011.2180399 fatcat:7zfjtnocvzh3bic4ewxhesq4ia
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