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Switched Mode Controller for DC Motor Drive
Switched Mode Controller for DC Motor Drive

Pulse-Width Modulation Control Circuits
Pulse-Width Modulation Control Circuits

... The TL494 incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application. The TL494 ...
LM122 LM322 LM3905 Precision Timers
LM122 LM322 LM3905 Precision Timers

... present a minimum load on external signals tied to VADJ. This resistor is a pinched type with a typical variation in nominal value of b50%, a 100% and a TC of 0.7%/§ C. For this reason, external signals (typically a pot between VREF and ground) connected to VADJ should have a source resistance as lo ...
Minimizing oscillations in the Diode
Minimizing oscillations in the Diode

... Background II • There is problems with manufacturing SiC MOSFETs. • Therefore the interest has shifted to SiC JFETs. ...
Model 480 Universal Voltage Regulator
Model 480 Universal Voltage Regulator

... with all single and three phase systems from 100V to 480V, 50 or 60 Hz by connecting four or five wires. It works with brushless exciters or conventional fields. Field excitation of up to 5 A is provided by means of a phase-controlled SCR. The unit is internally fused and includes a heavy-duty EMI f ...
Basics of Voltage-Level Translation
Basics of Voltage-Level Translation

... Advances in manufacturing processes in the fabrication of semiconductors have allowed for smaller geometries in circuit design and lower supply voltage levels. These advances in technology support many of the low-power, high-performance applications currently being designed. To use these new designs ...
RA60H4452M1 数据资料DataSheet下载
RA60H4452M1 数据资料DataSheet下载

... PRECAUTION FOR THE USE OF MITSUBISHI SILICON RF POWER AMPLIFIER DEVICES: 1.The specifications of mention are not guarantee values in this data sheet. Please confirm additional details regarding operation of these products from the formal specification sheet. For copies of the formal specification sh ...
NCP3065, NCV3065 Up to 1.5 A Constant Current Switching Regulator for LEDs
NCP3065, NCV3065 Up to 1.5 A Constant Current Switching Regulator for LEDs

... Internal thermal shutdown circuitry is provided to protect the IC in the event that the maximum junction temperature is exceeded. When activated, typically at 165°C, the Darlington Output Switch is disabled. The temperature sensing circuit is designed with some hysteresis. The Darlington Switch is e ...
FSQ110 Green Mode Fairchild Power Switch (FPS™) FSQ1 1
FSQ110 Green Mode Fairchild Power Switch (FPS™) FSQ1 1

... unexpected event. In this situation, the protection circuit should be activated to protect the SMPS. However, even when the SMPS is operating normally, the OLP circuit can be activated during the load transition. To avoid this undesired operation, the OLP circuit is designed to be activated after a ...
Microwave Power Combiners
Microwave Power Combiners

... •Gets rid of even harmonics can be used for very wide bandwidths (more than x2) in situations where filtering cannot be done •Push pull leads to more uniform current draw from supply, so grounding source is not a big problem ...
Automatic voltage regulator AVR6-V2, AVR6-V3
Automatic voltage regulator AVR6-V2, AVR6-V3

... The AVR is automatically started as soon as it is energized from an auxiliary supply exceeding 2 V at the frequency for which the current required by the alternator does not exceed the current provided by the regulator. The priming/starting of the regulator take place at a frequency only depending o ...
Current Mode Interconnect - Department of Electrical Engineering
Current Mode Interconnect - Department of Electrical Engineering

LM432 数据资料 dataSheet 下载
LM432 数据资料 dataSheet 下载

... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant ...
N-Channel 700-V (DS) MOSFET
N-Channel 700-V (DS) MOSFET

EC16201
EC16201

... CC - Hybrid - π model - h-parameter model, Ebers Moll Model- Gummel Poon-model, Multi Emitter transistor. ...
Workshop 88`s
Workshop 88`s

... • AVR chips support PWM only on certain pins. • Arduino does PWM by ...
SIGC15T65E
SIGC15T65E

... Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. The Infineon Technologies component described in this Data Sheet may be used in life-support devices or systems and/or automo ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

Automatic Voltage Regulator AVR PPT
Automatic Voltage Regulator AVR PPT

... Automatic voltage regulator (AVR) maintains the Generator terminal voltage at a given value automatically by changing the excitation current to the Generator field. The AVR supplies the required D.C. to the Generator field depending on the load, power factor etc. to maintain a constant terminal volt ...
High-Side, Bidirectional Current Shunt Monitor
High-Side, Bidirectional Current Shunt Monitor

... This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete devi ...
THE SWITCHING BEHAVIOUR OF AN IGBT IN ZERO CURRENT
THE SWITCHING BEHAVIOUR OF AN IGBT IN ZERO CURRENT

Activity 3.1.2 Flip Flop Applications
Activity 3.1.2 Flip Flop Applications

Data Sheet  Features General Description
Data Sheet Features General Description

... The AH9279 is a most advanced fan control and drive Hall IC manufactured by special CMOS process. This IC consists of voltage reference, Hall sensor, signal amplifier, wave shaping circuit, locked rotor detector, locked rotor protection and restart circuit, output drive circuit, etc.. To allow survi ...
TJ5631 - HTC Korea
TJ5631 - HTC Korea

... to be placed directly next to the VIN1 and VIN2 Pin. It allows for the device being some distance from any bulk capacitor on the rail. Additionally, input droop due to load transients is reduced, improving load transient response. Additional capacitance may be added if required by the application. O ...
Valence electrons
Valence electrons

... atom added, one free electron will be available in the silicon crystal. Though each arsenic atom provides one free electrons yet an extremely small amount of arsenic impurity provides enough atoms to supply millions of free electrons. ...
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Transistor



A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits.The transistor is the fundamental building block of modern electronic devices, and is ubiquitous in modern electronic systems. Following its development in 1947 by American physicists John Bardeen, Walter Brattain, and William Shockley, the transistor revolutionized the field of electronics, and paved the way for smaller and cheaper radios, calculators, and computers, among other things. The transistor is on the list of IEEE milestones in electronics, and the inventors were jointly awarded the 1956 Nobel Prize in Physics for their achievement.
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