Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
IGBT ( Insulated Gate Bipolar Transistor )
IGBT stands for insulated gate bipolar transistor. It is having the advantages of both power MOSFET and BJT. In IGBT layer is P is used as a substrate. One side is deposited with metal layer to form collector and other side of P substrate N layer is epitaxial grown. The other layers are same as power MOSFET. The three terminals of IGBT are emitter E gate G and collector C .
figure IGBI Basic structure symbol
The IGBT is a four layer N-P-N-P device with an MOs gated channel connecting the two N type regions. It is a new high conductance MOs gate controlled power switch. In operation of IGBT the epitaxial region is conductivity modulated and thereby eliminating a major component of the on resistance. TGBT maintains gate control over a wide range of anode current and voltage. The basic structure of the IGB is shown in figure.
In many respect s it is similar to a power MOSFET main difference is the presence of P+ as injecting layer. Next is N+ layer. There is a P_N junction between these layers and two more junctions ( J2 and J3) .
Explain Quantizing Analog Signals? A common analog-to-digital conversion pipeline contains a spectrum limiter (a simple low-pass or bandpass filter), a sample and hold circuit
Differentiate between synchronous and asynchronous types of serial communication. Serial data communication uses two fundamental types as, synchronous and asynchronous. With
The various flags are: - Sign flag, Axillary flag, Zero flag, Parity flag, Carry flag.
Q. What is meant by regulation? The output of most power supplies should be a constant voltage. Unfortunately, this is difficult to achieve. There are two factors that can caus
Q. What is thermal runaway? State one method to prevent the same? The effect of changes in leakage current (ICO) and current gain(b) on the dc bias point is given by the equat
Q. An interesting application of the SRFF is as a buffer in overcoming contact bounce in mechanical switches. These switches, of the toggle type, may be used to change the logic st
Distribution: This has been recognized as the most critical segment of the electricity business. Here the NEP calls for proper restructuring of distribution utilities for achi
One battery having of four cells, connected in series. Emf of each cell is 1.45V and internal resistance of 0.04Ω. if a load resistance of 5Ω is connected to the battery, draw the
Magnetic field due to an electric current Let a piece of wire be arranged to pass vertically by a horizontal sheet of cardboard, on which is placed few iron filings. If a curr
Explain the Excess three codes - BCD to Decimal Conversion The Excess-3 representation of a number is based on Binary Coded Decimal. It is formed by taking the number in Binary
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd