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Thevenin`s Theorem
Thevenin`s Theorem

... Introduction • Thevenin’s Theorem is a very important and useful theorem. • It is a method for the reduction of a portion of a complex circuit into a simple one. • It reduces the need for repeated solutions of the same sets of equations. ...
4CX250B/M
4CX250B/M

... It is necessary to keep in mind that high altitude operation, or operation where ambient air temperatures exceed 50°C will require addition air flow to maintain the desired tube surface temperature. Useful life can be extended by maintaining the flow of cooling air to the tube during standby periods ...
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Introduction to CMOS Design

... Complementary MOS transistors gives dense circuits and lower power than other circuit families z z z ...
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Electrical Measurements

2. Sic Schottky Diodes - UTK-EECS
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... at the SiO2 interface. These trapped charges become active at high temperatures, which results in a Fermi level shift towards the bandgap causing the drain current to flow at low threshold voltages. In other words, less gate voltage is required at high temperatures for the same drain current to flow ...
S2 Topic 4 Making Use of Electricity
S2 Topic 4 Making Use of Electricity

Implementation of Digitally Controlled Phase Shift Full Bridge
Implementation of Digitally Controlled Phase Shift Full Bridge

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Series and Parallel Resistor Circuits

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Reference

... When a p-type material and n-type material are made on the same crystal base, a diode is formed from the pn junction. When pn junction is formed, electrons and holes diffuse across the junction, creating a barrier potential, which prevents further current without an external voltage source. If the n ...
Forecasting - UniMAP Portal
Forecasting - UniMAP Portal

... connected in series – current from the circuit being measured passed through all the coils causing magnetic field around the fixed coils. The moving coil rotates in this magnetic field. • The electrodynamometer – handle much more current than d’ Arsonval movement. It can handle ~ 100mA. • The electr ...
LM137/LM337 3-Terminal Adjustable Negative Regulators (Rev. E)
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Chapter 9: Diodes and Diode Circuits
Chapter 9: Diodes and Diode Circuits

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MAX1889 Triple-Output TFT LCD Power Supply with Fault Protection General Description

... crystal displays (TFT LCDs). It combines a high-performance step-up regulator with two linear-regulator controllers and multiple levels of protection circuitry for a complete power-supply system. The main DC-DC converter is a high-frequency (500kHz/1MHz), current-mode step-up regulator with an integ ...


Light Emitting Diodes (LEDs)
Light Emitting Diodes (LEDs)

... it is called the forward voltage drop and is about 0.7V for all normal diodes which are made from silicon. The forward voltage drop of a diode is almost constant whatever the current passing through the diode so they have a very steep characteristic (current-voltage graph). ...
Optimize Transistor Size for FIR Pre
Optimize Transistor Size for FIR Pre

... rail-to-rail static CMOS circuits. This can save some power, because the static CMOS circuits consume less power compare to CML at low frequency. In this work, since the coefficients do not change after initialization, the power for S2D converters is very low, which is only the leakage current and v ...
OPERATING INSTRUCTIONS AND SYSTEM DESCRIPTION FOR THE ISO-STIM 01D STIMULUS ISOLATION UNIT
OPERATING INSTRUCTIONS AND SYSTEM DESCRIPTION FOR THE ISO-STIM 01D STIMULUS ISOLATION UNIT

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... be a minimum RL value below which I cannot reduce RL. Once that happens large current will flow through that and less current will flow through IZ and the therefore zener diode may be pulled out of the breakdown and therefore this will cause the regulated voltage not to be well regulated and there i ...
RC transients
RC transients

... 1. Determine the DC voltages on the capacitors before the change occurs. These may be given, or you may have to solve for them from the original configuration. 2. Let the change occur instantaneously at time t = 0. The capacitors will maintain their voltages into the “instant” just after the change. ...
Evaluates: MAX1748/MAX1779 MAX1748 Evaluation Kit General Description Features
Evaluates: MAX1748/MAX1779 MAX1748 Evaluation Kit General Description Features

... and tested surface-mount circuit board that contains a boost switching regulator and two charge-pump voltage-regulator circuits. The boost switching circuit is configured for a +10V output that provides up to 200mA of current from a supply voltage of +2.7V to +5.5V. The positive charge-pump circuit ...
Parameter Display Program
Parameter Display Program

... 'Restart indicator (sets the charged battery indicator to full - 5kWhr 'Used to detect 20Whr increments upon which X is decresed by one. '20Whr x 255 = 5100 Whr (20W x 1 second = 20Whr) 'e.g. 100A at 100V is 10000W for one second is 10000/3600 = 2.78Whr x 7 = 20Whr 'The program cycle is set to run a ...
Document
Document

SIMULATION OF A SERIES RESONANT CIRCUIT  ECE562: Power Electronics I
SIMULATION OF A SERIES RESONANT CIRCUIT ECE562: Power Electronics I

— mWSaver™ PWM Controller FAN6756AHL FAN 67
— mWSaver™ PWM Controller FAN6756AHL FAN 67

... the voltage of the RT pin drops below the threshold voltage, the controller latches off the PWM. The RT pin also provides external latch protection. If the RT pin is not connected to the NTC resistor for over-temperature protection, it is recommended to place a 100 kΩ resistor to ground to prevent f ...
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TRIAC



TRIAC, from triode for alternating current, is a genericized tradename for an electronic component that can conduct current in either direction when it is triggered (turned on), and is formally called a bidirectional triode thyristor or bilateral triode thyristor.TRIACs are a subset of thyristors and are closely related to silicon controlled rectifiers (SCR). However, unlike SCRs, which are unidirectional devices (that is, they can conduct current only in one direction), TRIACs are bidirectional and so allow current in either direction. Another difference from SCRs is that TRIAC current can be enabled by either a positive or negative current applied to its gate electrode, whereas SCRs can be triggered only by positive current into the gate. To create a triggering current, a positive or negative voltage has to be applied to the gate with respect to the MT1 terminal (otherwise known as A1).Once triggered, the device continues to conduct until the current drops below a certain threshold called the holding current.The bidirectionality makes TRIACs very convenient switches for alternating-current (AC) circuits, also allowing them to control very large power flows with milliampere-scale gate currents. In addition, applying a trigger pulse at a controlled phase angle in an AC cycle allows control of the percentage of current that flows through the TRIAC to the load (phase control), which is commonly used, for example, in controlling the speed of low-power induction motors, in dimming lamps, and in controlling AC heating resistors.
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