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Search results with tag "Resonant"

Oscillator Circuits

Oscillator Circuits

sites.science.oregonstate.edu

Crystal Resonant Frequencies The crystal has two resonant frequencies: Series resonant: RLC determine the resonant frequency. The crystal has a low impedance. Parallel resonant:RL and CM determine the resonant frequency. The crystal has a high impedance. The series and parallel resonant frequencies are very close, within 1% of each other.

  Series, Resonant, Series resonant

NCP1397 - High Performance Resonant Mode Controller with ...

NCP1397 - High Performance Resonant Mode Controller with ...

www.onsemi.com

High Performance Resonant Mode Controller with Integrated High-Voltage Drivers The NCP1397 is a high performance controller that can be utilized in half bridge resonant topologies such as series resonant, parallel resonant and LLC resonant converters. It integrates 600 V gate drivers, simplifying layout and reducing external component count.

  Resonant, Llc resonant

Topology Investigation for Front End DC/DC Power ...

Topology Investigation for Front End DC/DC Power ...

vtechworks.lib.vt.edu

LLC resonant topology is found to posses the desired characteristic. From comparison, LLC resonant converter could reduce the total loss by 40% at same switching frequency. With doubled switching frequency, efficiency of LLC resonant converter is still far better than PWM converters. To design the power stage of LLC resonant converter, DC ...

  Resonant

什么是软开关技术 - tup.tsinghua.edu.cn

什么是软开关技术 - tup.tsinghua.edu.cn

www.tup.tsinghua.edu.cn

全谐振变换器,也称为谐振变换器(Resonant Converters)。这种变换器实际上是 负载谐振式变换器,按照元件的谐振方式,分为串联谐振变换器(Series Resonant Converters,SRCs)和并联谐振变换器(Parallel Resonant Convers,PRCs)两种。按负载与 谐振电路的连接关系,谐振变换器也可以分为 …

  Series, Parallel, Resonant, Series resonant, Parallel resonant

LLC Resonant Converter Using MC56F83783 - NXP

LLC Resonant Converter Using MC56F83783 - NXP

www.nxp.com

can be used to analyze the LLC resonant converter, the input-to-output voltage gain can be obtained as: Where, • • • • • fsw is the operating frequency. Figure 2 shows the input-to-output gain varies with fn under certain m and Qe. NXP Semiconductors System description LLC Resonant Converter Using MC56F83783, Rev. 0, 10/2019 ...

  Resonant

NCP13992 - Current Mode Resonant Controller with ...

NCP13992 - Current Mode Resonant Controller with ...

www.onsemi.com

Current Mode Resonant Controller with Integrated High-Voltage Drivers, High Performance NCP13992 The NCP13992 is a high performance current mode controller for half bridge resonant converters. This controller implements 600 V gate drivers, simplifying layout and reducing external component count. The built−in Brown−Out input function eases ...

  Controller, Dome, Current, Resonant, Resonant current mode controller, Current mode controller

LLC Resonant Converter for Battery Charging Application

LLC Resonant Converter for Battery Charging Application

irphouse.com

LLC Resonant Converter for Battery Charging Application G. Subitha Sri and Dr. D. Subbulekshmi School of Electrical Engineering, VIT University, Chennai ... using PSIM software and the output voltage is regulated with the help of PI controller as a feedback path. In Section II operation of LLC resonant converter is discussed.

  Controller, Resonant

A Mathematical Guideline for Designing an AC-DC LLC ...

A Mathematical Guideline for Designing an AC-DC LLC ...

gansystems.com

A. LLC Resonant Converter Voltage Gain Review The half-bridge LLC resonant converter prototype is shown in Fig. 1. The operating frequency range of the LLC PFC is defined as fp ≤ fs ≤ fr, where below-resonance operation is preferred to ensure the inductive impedance characteristics of the LLC resonant tank, so that the soft

  Converter, Resonant, Resonant converter

ON Semiconductor Is Now

ON Semiconductor Is Now

www.onsemi.com

For hands−on understanding of the LLC resonant half bridge converter evaluation board provided by ON Semiconductor, spice simulation circuits are provided for transient simulation and DC simulation. Evolution of LLC Resonant Half bridge Converter Figure 1 is a typical LLC resonant converter. Values of major circuit components are also shown ...

  Converter, Resonant, Llc resonant, Llc resonant converter

NCP1342 - Quasi-Resonant Flyback Controller, High Frequency

NCP1342 - Quasi-Resonant Flyback Controller, High Frequency

www.onsemi.com

Quasi-Resonant Flyback Controller, High Frequency NCP1342 The NCP1342 is a highly integrated quasi−resonant flyback controller suitable for designing high−performance off−line power converters. With an integrated active X2 capacitor discharge feature, the NCP1342 can enable no−load power consumption below 30 mW.

  Resonant

Digital controller for high-efficiency resonant power supply

Digital controller for high-efficiency resonant power supply

www.nxp.com

Digital controller for high-efficiency resonant power supply Symbol Pin Description SNSSET 13 settings for transition levels high/low power mode and low-power/burst mode, overpower level,overpower time-out, and restart or latched. Output of the power good signal. SNSCUR 14 LLC current sense input; externally connected to the resonant current sense

  Power, Resonant, Resonant power

TEA19161 and TEA19162 controller ICs

TEA19161 and TEA19162 controller ICs

www.nxp.com

The TEA1916 is a fully digital controller for high-efficiency resonant power supplies. It is a 2-chip combo, which includes the TEA19161 resonant/LLC controller and the TEA19162 PFC controller. Together with the TEA1995T dual SR controller, a complete resonant power supply can be built, which is easy to design and has a very low component count.

  Power, Resonant, Resonant power

NCP1380 - Quasi-Resonant Current-Mode Controller for …

NCP1380 - Quasi-Resonant Current-Mode Controller for

www.onsemi.com

High-Power Universal Off-Line Supplies The NCP1380 hosts a high−performance circuitry aimed to powering quasi−resonant converters. Capitalizing on a proprietary valley−lockout system, the controller shifts gears and reduces the ... • High Power ac−dc Converters for TVs, ...

  Supplies, Controller, Dome, Power, Current, Resonant, Quasi, Ncp1380 quasi resonant current mode controller for, Ncp1380

A NOVEL DESIGN FOR A 3.6KW LLC TRANSFORMER WITH …

A NOVEL DESIGN FOR A 3.6KW LLC TRANSFORMER WITH …

www.pulseelectronics.com

Introduction The LLC Converter The LLC Transformer The benefits of the LLC topology for multi-KW On Board Charger (OBC) applications are well understood with the resonant inductor facilitating zero volt switching operation. The LLC transformer leakage inductance can replace a discrete resonant inductor if the value can be correctly sized and

  Introduction, Resonant

Zero Voltage Switching - Texas Instruments

Zero Voltage Switching - Texas Instruments

www.ti.com

Resonant Power Conversion Bill Andreycak ing zero current, hence zero power switching. And while true, two obvious concerns can in1pede the quest for high efficiency operation with high voltage inputs. By nature of the resonant tank and zero …

  Switching, Texas, Texas instruments, Instruments, Conversion, Zero, Voltage, Resonant, Zero voltage switching

Ch6. Small Signal Analysis of LLC Resonant Converter

Ch6. Small Signal Analysis of LLC Resonant Converter

vtechworks.lib.vt.edu

simulated in two hours. With simulation method, a SRC was analyzed. The results were shown in Appendix C. 6.3.1 Small signal characteristic of LLC resonant converter With extended describing function method, the characteristic in region 1 is shown in Figure 6.8. It is a three poles and one zero system.

  Analysis, Methods, Converter, Signal, Characteristics, Resonant, Signal analysis of llc resonant converter

DC/DC Power Conversion for Datacenter, Open Compute …

DC/DC Power Conversion for Datacenter, Open Compute

media.monolithicpower.com

inductor-capacitor) is a resonant topology comprised of two inductors and one capacitor. It allows for zero-current switching of the main switches, thereby dramatically lowering switching losses and boosting efficiency. Figure 4 shows an example of an LLC resonant converter.

  Open, Power, Conversion, Compute, Resonant, Datacenter, Power conversion for datacenter, Open compute, An llc resonant

EXAMPLE PROBLEMS AND SOLUTIONS A-8-1. a is A-6-8.) of a s

EXAMPLE PROBLEMS AND SOLUTIONS A-8-1. a is A-6-8.) of a s

eee.sutech.ac.ir

Solution. Qurc 8-92 shows the Bodc diagram for- the system. The resonant peak value is np- proximately 3.5 dB. (Note that, in the abscnce of n zero. thc second-order system with [ ;- 0.7 \\ill not exhibit a resonant peak; ho\vevcr, the presence of a closed-loop zero will cause such a peak.,) Example Problems and Solutions

  Resonant

AVR446: Linear speed control of stepper motor

AVR446: Linear speed control of stepper motor

ww1.microchip.com

The resonant speed will depend on the driving scheme of the stepper motor and the load. Figure 2-3. Torque vs. speed Τ ω Resonant Speed Maximum torque is achieved at low speeds, and this is an advantageous in many applications. 2.2 Fundamental stepper motor equations To create rotational motion in a stepper motor, the current thru the ...

  Current, Resonant

Wire Antennas for the Beginner - ARRL - Home

Wire Antennas for the Beginner - ARRL - Home

www.arrl.org

the resonant frequency, of course, but sharpening the apex angle will lower both the resonant frequency and the radiation resistance. The Novice subbands are only 50- and 100-kHz wide, so it should be possible to achieve an SWR of 1.5:1 or less across this segment. Any transmitter should be happy with that. What if everything is cut right and it

  Beginner, Wire, Antenna, Resonant, Wire antennas for the beginner

LLC Converter Design Note - Mouser Electronics

LLC Converter Design Note - Mouser Electronics

www.mouser.com

load-level, LLC topology is proliferating throughout product categories and power levels. While this topology handles load variarations extremely well, it requires substantial upfront effort to configure a design to handle line variations – this must be fully considered in the resonant tank design, and a wider input range design will

  Power, Electronic, Resonant, Mouser, Mouser electronics

Frequency response: Resonance, Bandwidth, Q factor

Frequency response: Resonance, Bandwidth, Q factor

ocw.mit.edu

The frequency 0 1 LC ω= is called the resonance frequency of the RLC network. The impedance seen by the source Vs is 1 1 ZRjL jC RjL C ω ω ω ω =++ ⎛⎞ =+⎜⎟− ⎝⎠ (1.3) Which at 0 1 LC ωω== becomes equal toR. • Therefore at the resonant frequency the impedance seen by the source is purely resistive.

  Frequency, Resonant, Resonant frequency

Analysis and Design of Input Filter for DC-DC Circuit

Analysis and Design of Input Filter for DC-DC Circuit

www.ti.com

If LC filter is not well damped, the frequency response will peak near resonant frequency, which means the LC actually is amplifying the noise signal. Apart from the amplification, sometimes, LC filter design also has effect on the control loop of the DC-DC converter, some poor LC filter will decrease the phase

  Converter, Resonant

USB Power Delivery and Type-C - STMicroelectronics

USB Power Delivery and Type-C - STMicroelectronics

www.st.com

converter thanks to several power management & housekeeping functions. SO16N. L6699. High power adapters 90W to 250W. Datasheet : available on www.st.com. Series-resonant half -bridge topology • Self adjusting adaptive dead time • Anti-capacitive mode protection • Two-level OCP • Frequency shift • Immediate shutdown

  Converter, Resonant

ON Semiconductor Is Now

ON Semiconductor Is Now

www.onsemi.com

range of output voltages makes resonant tank design more complex. Furthermore, with certain small modifications also other converter topologies, full bridge phase shifted converter for example, could be tested as well. Power Stage Target output power level at around 10 kW and LLC topology indicates that full bridge power stage is the

  Power, Resonant

SIX MAIN COMPONENTS OF MRI SYSTEM

SIX MAIN COMPONENTS OF MRI SYSTEM

www.aheconline.com

resonant frequency. MRI Core 12 PULSE SEQUENCE CONTROLLER The pulse sequence controller is responsible for the timing and performance of each system component. The pulse sequence controller dictates when and how much gradient power is needed to vary the magnetic field and spatially encode the MR signal.

  Resonant

My Top Five Backyard Multi-Band Wire HF Antennas - …

My Top Five Backyard Multi-Band Wire HF Antennas - …

www.qsl.net

1/2-wavelength resonant center-fed dipoles have many other interesting characteristics, but the ones that we have noted will guide us while we explore the top 5 multi-band backyard wire antennas. We shall also be setting aside our coaxial cable in favor of parallel feedline to an antenna tuner (ATU) or, as

  Multi, Wire, Band, Five, Parallel, Antenna, Resonant, Backyard, Top five backyard multi band wire hf antennas

POWER CONVERTER TOPOLOGY TRENDS - PSMA

POWER CONVERTER TOPOLOGY TRENDS - PSMA

www.psma.com

POWER CONVERTER TOPOLOGY TRENDS www.psma.com, power@psma.com . 2 . Agenda Topology Overview ... LLC. Isolated Power Topology Derivatives ... Two-Switch Quasi-Resonant Flyback Switching Waveforms 0V V DS 0A I DS t OFF t f t ON T S 0A I D V A V A 0V 0V V DET 0V V IN PBIAS V IN +V HS V GS(HS) V GS(LS) 0.7V 5µs

  Converter, Resonant

Crystal Oscillators (XTAL) - University of California ...

Crystal Oscillators (XTAL) - University of California ...

rfic.eecs.berkeley.edu

Series and Parallel Mode C 0 L 1 C 1 R 1 C 0 L 1 R 1 low resistance high resistance Due to the external physical capacitor, there are two resonant modes between a series branch and the capacitor. In the series mode ωs, the LCR is a low impedance (“short”). But beyond this frequency, the LCR is an equivalent inductor that resonates

  Parallel, Resonant, Xtal

Construction Details 49:1 Un-Un For End-Fed Resonant …

Construction Details 49:1 Un-Un For End-Fed Resonant

qsl.net

2. At the end that will connect to the Balun, pass approximately 1-1/2 foot through holes at one end of an insulator and tie with a couple throws of a knot. Strip off about 1/4” of insulation and then Crimp and then solder one of the crimp terminals on the free end. This will connect to the RED terminal output of your Balun. 3.

  Your, Resonant, Balun, For end fed resonant, Your balun

EXPERIMENT #1 STUDY OF RC AND RL CIRCUITS

EXPERIMENT #1 STUDY OF RC AND RL CIRCUITS

www.iium.edu.my

Find the resonant frequency using equation given in the before and compare it to the experimental value in both cases. Plot the voltage response of the circuit and obtain the bandwidth from the half-power frequencies using equation. ECE Lab III ECE 2201 SEMESTER II, 2011/2012 By Sheroz Khan

  Half, Resonant

MT-101: Decoupling Techniques - Analog Devices

MT-101: Decoupling Techniques - Analog Devices

www.analog.com

frequency range, dc bias current, number of turns, size, shape, and temperature. ... (equivalent series resistance, or ESR), appears in series with the capacitor and represents the ... Figure 4: Impedance of Various 100µF Capacitors The self-resonant frequency of the capacitor is the frequency at which the reactance of the capacitor (1/ωC ...

  Devices, Series, Current, Capacitors, Analog devices, Analog, Resonant

Fisher FIELDVUE DVC2000 Digital Valve Controller

Fisher FIELDVUE DVC2000 Digital Valve Controller

www.emerson.com

Controller The FIELDVUE DVC2000 digital valve controller is simple to use, compact, and designed for easy mounting. It converts a 4-20 mA input signal into a ... resonant frequency search is performed on all three axes. The instrument is subjected to the ISA specified 1/2 hour endurance test at each major resonance,

  Controller, Valves, Digital, Fieldvue, Dvc2000, Resonant, Fieldvue dvc2000 digital valve controller

Precision, Miniature MEMS IMU Data Sheet ADIS16505

Precision, Miniature MEMS IMU Data Sheet ADIS16505

www.analog.com

CONTROLLER POWER MANAGEMENT CS SCLK DIN DOUT GND DR VDD SYNC RST SPI SELF TEST INPUT/OUTPUT OUTPUT DATA REGISTERS USER CONTROL REGISTERS CALIBRATION AND FILTERS ADIS16505 CLOCK TRIAXIAL ... Sensor Resonant Frequency X-axis and y-axis 2.4 kHz Z-axis 2.2 kHz TEMPERATURE SENSOR Scale Factor Output = …

  Controller, Resonant

Small Magnetic Loop Antenna Project

Small Magnetic Loop Antenna Project

qrpbuilder.com

These antennas are high-Q resonant circuits. Many kilovolts can be present across the capacitor, and produce concentrated electro-magnetic radiation even at low power levels. For safety, maintain a minimum of 6 feet away from the antenna, while ... Motor controller, direction and speed www.mpja.com, #16816MD, 24v, 40 rpm gearmotor.

  Controller, Loops, Magnetic, Resonant, Magnetic loop

The TEA1995T can also be used in multi-output ... - NXP

The TEA1995T can also be used in multi-output ... - NXP

www.nxp.com

The TEA1995T is intended for resonant power supplies. In such applications, it can drive two external synchronous rectifier MOSFETs for the rectification of the voltages on the two secondary windings of the transformer. These MOSFETs replace diodes. It can be used in all power supplies requiring high efficiency: • Adapters

  Resonant

How to design an antenna for dynamic NFC tags ...

How to design an antenna for dynamic NFC tags ...

www.st.com

represents the power consumption of the chip, and C. S. represents the serial equivalent tuning capacitance, both converted in serial model. The resonant frequency of the equivalent RLC circuit is given by the condition L. A. C. S. ω. 2 = 1, where (ω = 2 π f, f in Hz). 2.4 Optimum antenna tuning. The total impedance of the RLC circuit is Z ...

  Power, Resonant

Impedance Matching - QSL.net

Impedance Matching - QSL.net

www.qsl.net

• The resonant frequency is getting by equating the magnitudes of the L and C reactances (X L = X C) Quality-Factor ... • For DC circuits, maximum power will be transferred from a source to its load if the load resistance equals the source resistance. A simple proof of this theorem is given by the following example:

  Power, Resonant

Harmonics in your electrical system - Newark

Harmonics in your electrical system - Newark

www.newark.com

fundamental power frequency. If the fundamental power frequency is 60 Hz, then the 2nd harmonic is 120 Hz, the 3rd is 180 Hz, etc. (see Figure 1). When harmonic frequencies are prevalent, electrical power panels and transformers become mechanically resonant to the magnetic fields generated by higher frequency harmonics. When this happens, the power

  Power, Resonant

Frequency Response of Thin Film Chip Resistors

Frequency Response of Thin Film Chip Resistors

www.vishay.com

observed series inductance to the skin effect or surface impedance used in waveguide and resonant cavity applications. (2)(4)(5)(9)(10) These papers note that the increasing impedance is proportional to the square root of the frequency. (2)(4) The skin effect however does not support

  Series, Thin, Response, Frequency, Resistor, Chip, Film, Resonant, Frequency response of thin film chip resistors

LT8304 - 100VIN Micropower No-Opto Isolated Flyback ...

LT8304 - 100VIN Micropower No-Opto Isolated Flyback ...

www.analog.com

n Low Quiescent Current: n 116µA in Sleep Mode n 390µA in Active Mode n Quasi-Resonant Boundary Mode Operation at Heavy Load n Low Ripple Burst Mode® Operation at Light Load n Minimum Load < 0.5% (Typ) of Full Output n No Transformer Third Winding or Opto-Isolator Required for Output Voltage Regulation n Accurate EN/UVLO Threshold and Hysteresis

  Dome, Current, Resonant

AC CIRCUITS: RLC SERIES CIRCUIT INTRODUCTION

AC CIRCUITS: RLC SERIES CIRCUIT INTRODUCTION

www.austincc.edu

Jul 11, 2007 · These values have been chosen so that the resonant frequency of the series RLC circuit will be about 12,000 Hz in the HIGH frequency version and 1100 Hz in the LOW . 8D-RLC Series Circuit 07-07-11.doc - 2 - frequency version. The circuit component values have been specifically chosen to

  Series, Resonant

Mini Tutorial - Analog Devices

Mini Tutorial - Analog Devices

www.analog.com

this series of mini tutorialsto build the filter, but be aware of whether the BP inverts the phase or not. In addition, be aware ... resonant frequency should be at least 20 dB. Also, since there is a capacitor in the feedback network, a current feedback amplifier is probably not appropriate.

  Devices, Series, Analog devices, Analog, Resonant

Introduction to Microstrip Antennas - University of Houston

Introduction to Microstrip Antennas - University of Houston

courses.egr.uh.edu

However, the Q of the resonant cavity mode also increases, making the patch currents stronger at resonance. These two effects cancel, allowing the patch to radiate well even for thin substrates (though the bandwidth decreases). 31 A microstrip antenna can radiate well, even with a …

  Resonant

EMI Noise Reduction Techniques for High Frequency Power ...

EMI Noise Reduction Techniques for High Frequency Power ...

vtechworks.lib.vt.edu

transformer LLC converter, the inter-winding capacitor is very large and will cause severe CM noise problem. By adding shielding layer, CM noise has been greatly reduced. Although flyback and LLC resonant converter are used as examples to demonstrate the …

  Resonant, Llc resonant

To study the resonance condition of a series LCR circuit.

To study the resonance condition of a series LCR circuit.

repo.iitbhu.ac.in

the series resonant LCR circuit for different values of resistor. 3. The bandwidth can be calculated as BW = f res /Q 4. Make a comparison table for the estimated values of bandwidth and quality factor for different resistors. Compare them and draw conclusions. Table 3: Comparison table Resistance ( ) Bandwidth (BW) Quality factor (Q)

  Series, Resonant, Series resonant

The RLC Circuit. Transient Response Series RLC circuit

The RLC Circuit. Transient Response Series RLC circuit

ocw.mit.edu

Important observations for the series RLC circuit. • As the resistance increases the value of α increases and the system is driven towards an over damped response. • The frequency 1 ο LC ω= (rad/sec) is called the natural frequency of the system or the resonant frequency. • The parameter 2 R L

  Series, Resonant

Series 3000 Cooling Tower

Series 3000 Cooling Tower

baltimoreaircoil.com

43 Resonant Speed Identification Procedure PART 8 New Field Connections for TriArmor® Corrosion Protection System Cold Water Basin 45 Installation Instructions OPERATION & MAINTENANCE » SERIES 3000 COOLING TOWER 1 WWW.BALTIMOREAIRCOIL.COM. 2 WWW.BALTIMOREAIRCOIL.COM DANGER

  Series, Resonant

AN2867 Application note - STMicroelectronics

AN2867 Application note - STMicroelectronics

www.st.com

is the anti-resonant frequency when impedance Z tends to infinity. Using equation (1), it is expressed as follows: Fa Fs 1 Cm C0 = + -----The region delimited by F. s. and F. a. is usually called the area of parallel resonance (shaded area in . Figure 2). In this region, the crystal operates in parallel resonance and behaves as

  Notes, Applications, Parallel, Resonant, An2867 application note, An2867

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