Electronic Circuit Analysis using LTSpice XVII Simulator: A Practical Guide for Beginners

✍ Scribed by Pooja Mohindru, Pankaj Mohindru

• Publisher: CRC Press
• Year: 2021
• Tongue: English
• Leaves: 237
• Edition: 1
• Category: Library

✦ Synopsis

This text discusses simulation process for circuits including clamper, voltage and current divider, transformer modeling, transistor as an amplifier, transistor as a switch, MOSFET modeling, RC and LC filters, step and impulse response to RL and RC circuits, amplitude modulator in a step-by-step manner for more clarity and understanding to the readers.

It covers electronic circuits like rectifiers, RC filters, transistor as an amplifier, operational amplifiers, pulse response to a series RC circuit, time domain simulation with a triangular input signal, and modulation in detail. The text presents issues that occur in practical implementation of various electronic circuits and assist the readers in finding solutions to those issues using the software.

Aimed at undergraduate, graduate students, and academic researchers in the areas including electrical and electronics and communications engineering, this book:

• Discusses simulation of analog circuits and their behavior for different parameters.
• Covers AC/DC circuit modeling using regular and parametric sweep methods.
• The theory will be augmented with practical electrical circuit examples that will help readers to better understand the topic.
• Discusses circuits like rectifiers, RC filters, transistor as an amplifier, and operational amplifiers in detail.

✦ Table of Contents

Cover
Half Title
Title Page
Copyright Page
Contents
Preface
Acknowledgments
Authors
1. Introducing LTspice XVII Circuit Simulator
1.1 Introduction
1.1.1 Need for Electronic Circuits Computer Simulator
1.1.2 Advantages
1.1.3 Hardware Necessities
1.2 LTspice XVII Main Interface to Get Started
1.2.1 Update LTspice XVII Using the Sync Release
1.2.2 The Desktop Start-Up Screen and Schematic Editor Window
1.3 Using a Schematic Editor for Drafting the Circuit Schematic
1.3.1 Components Settlement
1.3.2 Components Layout and their Passive Sign Convention
1.3.3 Components without the Assigned Toolbar Icon and Their Database
1.3.4 Connecting the Placed Components (Wiring)
1.3.5 Additional Component Editing Features
1.3.6 Adjusting the Schematic Circuit Position
1.3.7 Transferring the Circuit Diagram between Schematics
1.4 Nodes Nomenclature
1.4.1 Inserting Net Labels (the Node Names)
1.5 Connecting Nodes to Component Terminals with the Net Labeling (No Wiring)
1.6 Save the Schematic File and Copy to an MS-Word Document
2. Simulation Types and Waveform Viewer
2.1 Various Simulation Analysis Types
2.1.1 Analysis Types
2.2 SPICE Simulator Directives (the Dot Commands)
2.2.1 Summary of Using the Dot Commands
2.3 Setting an Analysis for Running a Simulation
2.4 Manipulating the Waveform Viewer Window
2.4.1 Probing and Plotting Electrical Quantities
2.4.2 Notes and Annotating Options for the Plot Pane
2.4.3 Adding Traces after Running a Simulation
2.4.4 Adding Supplementary Plot Panes (To Display Multiple Traces Separately)
2.4.5 Display Grid Points to the Waveform Viewer
2.4.6 Automatic Display of Abscissa and Ordinate Values
2.4.7 Doing Graphical Measurements and Mathematical Operations
2.4.8 User-Defined Functions (dot func command)
2.4.9 Attaching the Numbered Cursors (To Read Data Values)
3. Control Panel Settings
3.1 Schematic Graphical User Interface Settings with Control Panel
3.1.1 Preliminary Schematic Diagram Settings
3.2 Grid Display and Font Properties on New Schematic
3.3 Changing Schematic Background Color to White
3.4 Modification of Simulation Speed and Internal Accuracy
3.5 Selecting New Shortcuts (Keys or Character Combinations)
3.6 Editing Initial Plot Pane Settings
4. DC Bias and DC Sweep Simulations
4.1 Introduction
4.2 DC Voltage Source with Resistor (an Operating Point Analysis)
4.2.1 Simulating A Simple Circuit (DC Source Connected across a Resistor)
4.2.2 Bias Point Voltage Labels for Nodes
4.2.3 Nodes Labeling using Current (or Any Expression) Values
4.2.4 User-Defined Expressions and Parameters Evaluation
4.3 Simulating Circuit having Current Source
4.4 Voltage Divider Simulation (Bias Point and DC Sweep)
4.4.1 Using DC Operating Point Analysis
4.4.2 Voltage Divider with Variable Resistor
4.4.3 DC Sweep Analysis of Voltage Divider
4.5 DC Sweep to Plot I-V Curve of Diode
4.5.1 Operating Point Establishment
4.6 DC Sweep for Output Characteristic Curve of BJT
4.6.1 How to Locate Transistor Operating Point
4.6.2 Doing Math for Computing Beta (and Alpha)
4.6.3 Temperature Effects on the Transistor I-V Curve
4.6.3.1 Thermistor Modeling in the Circuit
4.7 Simulating Voltage-Controlled Voltage Source (VCVS)
5. Transient Simulations
5.1 Introduction
5.2 Sine Wave Generation
5.2.1 Graphical Measurements
5.2.2 Sinusoidal Signal Source Parameters as Variable/Expression
5.3 Simulating Triangular Wave with Pulse Function
5.4 Simulating BJT as Amplifier
5.4.1 Voltage Gain Measurement
5.4.2 Output Distortion (By Shifting an Operating Point)
5.5 Resistance as Function of Time
5.6 Arbitrary Behavioral Sources
5.7 VCVS as OP-Amps for Transient Simulations
6. AC Analysis
6.1 Introduction to AC Sweep Simulations
6.2 AC Analysis of Series RLC Circuit
6.2.1 Impedance Computation
6.2.2 Total Impedance with the Built-In Functions
6.2.3 Setting AC Analysis Parameters
6.2.4 Running Simulation
6.2.5 Probing using Set Probe Reference Sub-Menu
6.2.6 Plotting Circuit Current versus Frequency
6.2.6.1 Graphical Measurements
6.2.7 Differential Voltage Between the two Nodes/Nets versus Frequency
6.2.7.1 Doing Math for Computing Impedance/Reactance at Resonance
6.2.8 Impedance using Current Source
6.3 Bode Plot of Transistor Amplifier
6.3.1 Bandwidth Computation
6.3.2 Impedance/Resistance Computation
6.3.3 Current Gain Computation
6.3.4 Effects of Varying Emitter Resistance
7. Parametric Sweep Analysis
7.1 Sweeping Parameters (.param and .step)
7.2 Sweeping Resistance
7.3 Repeated AC Analysis Using Parameter Sweep
7.4 Single Frequency Analysis with Swept Capacitance
7.5 Repeated Operating Point Analysis on Transistor
7.6 Sweeping Frequency for Transient Simulations
8. DC Transfer Analysis
8.1 Equivalent Circuit and DC Transfer Simulation
8.1.1 Simulating Voltage Divider Using DC Transfer Analysis
8.1.2 Equivalent Resistance of Network
8.2 The .tf (DC Transfer) Analysis on BJT
9. Small Projects (Examples)
9.1 Full-Wave Bridge Rectifier with Filter
9.2 Op-Amp as Inverting Amplifier
9.3 Active Filter using OP-Amp
9.4 Passive Filter
9.5 VCVS as Non-Inverting OP-Amp
9.6 Spectrum (FFT) Analysis
9.7 Noise Analysis (the .noise)
9.7.1 Noise over a Temperature Range
9.8 Logic Gates Simulation
9.9 Inserting an External SPICE File
9.10 Pulse Response to RC Circuit (PWM Filtering)
Index