Preface
Contents
1 Commonly Used Laboratory Equipment
1.1 Introduction
1.2 Digital Multi Meter (DMM)
1.3 Function Generator (Signal Generator)
1.4 Oscilloscope
1.5 Power Supply
1.6 Breadboard
1.7 Measurement with Cell Phone
1.8 Conventions Used in This Book
References for Further Study
2 Different Types of Switches
2.1 Introduction
2.2 Relay
2.3 Relay Test Circuit
2.4 Control of Relay with BJT Transistor
2.5 Control of Relay with MOSFET Transistor
2.6 Optocoupler
2.7 Control of Relay with an Optocoupler
2.8 Darlington Pair
2.9 MOSFET as Switch
2.10 Control of Load Current with Optocoupler and MOSFET Transistor
2.11 Temperature Switch
2.12 Reed Switch
2.13 Infrared Transmitter and Receiver
References for Further Study
3 Thyristors and Triacs
3.1 Introduction
3.2 Relaxation Oscillator with UJT
3.3 Thyristor
3.4 Thyristor Turn Off Methods in DC Circuits
3.5 Diac
3.6 Pulse Generation with Diacs
3.7 Dimmer Circuit
3.8 Controlled Rectifiers
References for Further Study
4 Power Supply Circuits
4.1 Introduction
4.2 Half Wave Rectifier
4.3 Full Wave Rectifier
4.4 Symmetric Power Supply
4.5 Voltage Regulator ICs
4.6 Regulated Power Supply with High Output Current and Short Circuit Protection
4.7 Regulator with Adjustable Output
4.8 Obtaining a High Regulated Output Voltage
4.9 Current Source Circuit
4.10 LM317 Adjustable Regulator
4.11 Overload Protection
4.12 Over Voltage Protection
4.13 Over Temperature Protection
4.14 Voltage Multiplier Circuit
4.15 Simple Inverter Circuit
References for Further Study
5 DC-DC Converters
5.1 Introduction
5.2 Boost Converter
5.3 Buck Converter
5.4 Voltage-Inverting Converter with TL7660 IC
5.5 Voltage-Inverting Converter with MC33063 IC
5.6 Voltage Inverting Converter with 555 IC
5.7 Voltage Doubler Circuit
References for Further Study
6 Filter and Comparator Circuits
6.1 Introduction
6.2 Simple Comparator
6.3 Window Comparator
6.4 Low Pass Filter
6.5 High Pass Filter
6.6 Band Pass Filter
References for Further Study
7 Control of DC Motors
7.1 Introduction
7.2 Direction of Rotation Indicator
7.3 DC Motor Speed Control
7.4 Control the Direction of Rotation
7.5 Full-Bridge Driver
7.6 Speed Control of Universal Motors
7.7 Stepper Motor and BLDC Motor Driver
References for Further Study
8 Delay Circuits
8.1 Introduction
8.2 Delay Circuit with Transistor (Normally on Circuit)
8.3 Delay Circuit with Transistor (Normally Off Circuit)
8.4 Delay Circuit with 555 IC
8.5 555 Timer IC Based Circuit Design
References for Further Study
Drawing Graphs with MATLAB®
A.1 Introduction
A.2 fplot Command
A.3 Plotting the Graph of a Numeric Data
A.4 Addition of Labels and Title to the Drawn Graph
A.5 Exporting the Drawn Graph as a Graphical File
A.6 Drawing Two or More Graphs on the Same Axis
A.7 Logarithmic Axis
Reference for Further Study