Induction Heating System Topology Review
Power Device Division
All IH (induction heating) applied systems are developed using electromagnetic induction which
was first discover
ELG4139: DC to DC Converters
A dc-dc regulator/converter or other names known as buck
or boost regulator, provides stable regulated output voltage
to supply electric and electronic circuits.
Principles of Step-Down Operation
Source, Switch with a duty cy
ELG4139: Power Electronics Systems
To Realize and Design Various
Power Supplies and Motor Drives!
Power electronics refers to control and conversion of electrical
power by power semiconductor devices wherein these devices
operate as switches. Ad
ELG4139: Power Diodes and Power Transistors
Thyristors; Power Diodes; Power Bipolar Transistors (BJTs)
Power Metal Oxide Semiconductor Field Effect Transistors (MOSFETs);
Insulated Gate Bipolar Transistors (IGBTs); Gate Turn-Off Thyristors (GTOs)
ELG4139: Oscillator Circuits
Positive Feedback Amplifiers (Oscillators)
LC and Crystal Oscillators
JBT; FET; and IC Based Oscillators
The Active-Filter-Tuned Oscillator
There are two different approaches for the generation o
Op-Amp Building Blocks and Applications
Non-Linear Op-Amp Applications
Check List for Selecting Op-Amps
ELG4139: Op Amp-based Active Filters
Reduced size and weight, and therefore parasitics.
Increased reliability and improved performance.
Simpler design than for passive filters and can realize a wider range of
functions as well as providing
ELG4139: Passive Filters
A filter is a system that processes a signal in some desired
There are two broad categories of filters:
An analog filter processes continuous-time signals
A digital filter processes discrete-time signals.
ELG4139 Lab 2: Operational Amplifier Characteristics
Objectives: To study the characteristics of non-inverting amplifier.
Case 2: Non-inverting Amplifier (Multisim and Hands-on)
Design a non-inverting amplifier with a gain of 100 using Rf = 100 k.
ELG4139 Lab 1: Operational Amplifier Characteristics
Objectives: To study the characteristics of a voltage follower.
Case 1: Voltage Follower (Multisim and Hands-on)
1. Calculate vout with the switch open (no load) and with the switch closed (500 ) for th
ELG4139 Lab 3: Operational Amplifier Characteristics
Objectives: To study the characteristics of inverting amplifier based circuits.
Case 3: Inverting Amplifier Based Circuit (Multisim and Hands-on)
Calculate the voltage at the output of the c