Practical LTSpice: From Basics to CMOS Circuits

Lecture 1: Who is this course for? (FREE PREVIEW)

Watch this video to understand if this course aligns with your career goals.

Duration: 2 minutes 11 seconds | Free Preview Lecture

Lecture 5: File menu and Toolbar basics (FREE PREVIEW)

Learn the basics of the LTSpice interface — file menu operations and essential toolbar functions like Component placement, Move, Zoom, and Delete.

Duration: 12 minutes | Free Preview Lecture

Course Overview

LTSpice is a free yet powerful circuit simulation tool widely used in electronics, VLSI, and IC design. Whether you are a student, researcher, or professional engineer, mastering LTSpice will strengthen your ability to design, analyze, and test electronic circuits.

This course takes you on a step-by-step journey, starting from the fundamentals of LTSpice, building simple circuits, and performing essential analyses (.tran, .dc, .ac etc). You will then progress toward advanced topics, including MOSFET characterization using 180nm CMOS technology files, CMOS inverter analysis (VTC, Noise Margin), and the design of digital logic gates like NAND and NOR circuits.

What You Will Be Able to Do:

Create, customize, and simulate circuits in LTSpice with efficiency.
Perform all essential SPICE analyses (.op, .tran, .dc, .ac, .tf, .step, .temp).
Work with Model files and Technology files (e.g., CMOS 180nm PDK) to characterize devices.
Analyze MOSFET characteristics (Id-Vgs, Id-Vds, gm, ro) from scratch.
Design and comprehensively analyze CMOS inverter (DC/Transient response, Noise Margins).
Design and simulate complex CMOS digital logic gates (NAND, NOR).
Troubleshoot common simulation issues and efficiently find resources.

Comprehensive Course Curriculum (36 Lectures)

Section 1: Introduction

Lecture 1: Who is this course for?

Watch the free preview video above.

Lecture 2: Prerequisites

Basic electronics knowledge, familiarity with circuits.

Lecture 3: Course Roadmap

What to expect and how to maximize your learning.

Section 2: Getting Started with LTSpice

Lecture 4: Downloading, setup, and introduction to the interface

Lecture 5: Toolbar and file menu basics (open, save, edit, etc.)

Section 3: Customization and Workflow

Lecture 6: Customizing schematics and waveform viewer

Lecture 7: Efficient navigation & Tips

Section 4: Understanding Analysis Commands (9 Lectures)

Lecture 10: Introduction to analysis types

Lecture 11: .op – Operating point analysis

Lecture 12: .tran – Transient analysis

Lecture 13: .dc – DC sweep

Lecture 14: .step param – Parametric sweep

Lecture 15: .tf – Transfer function analysis

Lecture 16: .ac – AC analysis

Lecture 17: .temp – Temperature sweep

Lecture 18: Hands-on examples for each analysis

Section 5: Learning Through Simple Circuits

Lecture 19: Design and Simulation of Resistive divider circuit

Lecture 20: Design and SImulation of a RC low-pass filter

Section 6: Symbols, Models, and Libraries

Lecture 21: How to create a custom schematic symbol

Lecture 22: Importing and using model files

Lecture 23: Working with technology files (e.g., CMOS 180 nm PDK)

Section 7: MOSFETs and Advanced Circuits

Lecture 24: MOSFET characteristics using 180nm technology file

Lecture 25: Plotting Id-Vgs, Id-Vds, gm, ro etc.

Section 8: CMOS Circuit Design in LTSpice

Lecture 26: CMOS Inverter design and analysis

Lecture 27: DC transfer characteristics

Lecture 28: Threshold voltage estimation

Lecture 29: Noise margin calculation

Lecture 30: Design and Simulation of CMOS logic gates (NAND, NOR etc)

Section 9: Resources and Extras

Lecture 31: Providing technology files (e.g., 180nm CMOS)

Lecture 32: Recommended books and articles for deeper learning

Lecture 33: Troubleshooting common LTSpice errors

Section 10: Wrap-Up

VLSI Pathway