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Learn Advance MOSFET Circuits Cascode to Diff Amp on LTSpice
Rating: 4.6 out of 5(2 ratings)
20 students

Learn Advance MOSFET Circuits Cascode to Diff Amp on LTSpice

Master Microelectronics & Analog IC Design: Cascode, Differential Amplifiers and Current Mirrors in LTSpice Software
Created byPractical Buddy
Last updated 4/2026
English

What you'll learn

  • Revise MOSFET DC Analysis to strengthen fundamentals (from Course 1).
  • Revise MOSFET Amplifiers and AC Analysis for a smooth transition to advanced topics (from Course 2).
  • Understand the concept of a Constant Current Source
  • Design a Simple Constant Current Source using a Single MOSFET
  • Perform AC Analysis of a Constant Current Source and interpret small-signal behavior.
  • Build & Analyze the AC Equivalent Model of a MOSFET-based current source.
  • Design and simulate a Common Source (CS) Amplifier with a Current-Source Load using LTSpice and analyze its gain and performance.
  • Learn the operation and characteristics of a Diode-Connected MOSFET and its practical uses.
  • Design a Common Source Amplifier using a Diode-Connected MOSFET using LTspice and analyze its gain and performance.
  • Enhancing Current Source Performance Using Source Degeneration
  • Limitations of Source Degeneration (Rs) in Current Sources and Introduction to the Cascode Configuration
  • Fundamentals of Current Sources and Current Sinks
  • A Simplified (Shortcut) Approach to Determining Amplifier Gain
  • Cascode Amplifier: Concept, Operation, and Advantages
  • Differential Amplifiers

Course content

12 sections • 61 lectures • 15h 6m total length

  • Introduction5:10

Requirements

  • Strong command of basic circuit analysis techniques, such as KVL, KCL, and nodal analysis (These fundamentals are explained in Course 1.)
  • Good foundational knowledge of semiconductor basics, including charge carriers, doping, and device behavior
  • Basic understanding of MOSFET fundamentals — symbolic representation, types, I–V characteristics, drain current equation, and operating regions (Students may also take MOSFET Course 1 for a thorough revision.)
  • Knowledge of MOSFET amplifier concepts — transconductance, CS amplifier, CG amplifier, source follower (buffer), and LTSpice simulations (These topics are covered in MOSFET Course 2 if revision is needed.)

Description

Learn Advanced MOSFET Circuits: From Cascode Amplifiers to Differential Amplifiers Using LTSpice

This course is a complete hands-on guide to advanced MOSFET circuit design and analysis, designed for students and engineers who already understand MOSFET basics and want to move toward analog IC design and high-performance amplifier circuits.

If you have learned MOSFET DC analysis and basic amplifiers but struggle to understand current sources, cascode configurations, and differential amplifiers, this course will give you the missing clarity — step by step, using LTSpice simulations.

We start by revising essential fundamentals to ensure a smooth transition, and then gradually build up to professional-level MOSFET circuits used in analog VLSI, op-amps, and integrated amplifiers.


  • What You’ll Learn

  1. Revise MOSFET DC analysis to strengthen core fundamentals

  2. Revisit MOSFET amplifiers and AC analysis for a strong foundation

  3. Understand the concept of constant current sources and current sinks

  4. Design a simple MOSFET current source from scratch

  5. Perform AC analysis of current sources and interpret small-signal behavior

  6. Build and analyze the small-signal AC equivalent model of MOSFET current sources

  7. Design a Common Source amplifier with a current-source load using LTSpice

  8. Understand diode-connected MOSFETs and their practical applications

  9. Design and analyze a CS amplifier using a diode-connected MOSFET

  10. Improve current-source performance using source degeneration

  11. Understand the limitations of source degeneration (Rs)

  12. Learn why cascode configurations are needed in advanced circuits

  13. Master a shortcut method to calculate amplifier gain quickly and accurately

  14. Understand the cascode amplifier: operation, advantages, and performance improvement

  15. Design and simulate differential amplifiers using MOSFETs in LTSpice


  • Why This Course is Different

  1. Focuses on concept + circuit intuition, not just formulas

  2. Every major topic is designed and simulated in LTSpice

  3. Clear explanation of why each circuit is used in real ICs

  4. Perfect bridge between basic MOSFET theory and analog IC design

  5. Ideal for electronics, ECE, VLSI, and microelectronics students


  • Who This Course Is For

  1. Electronics & Communication Engineering students

  2. Analog electronics and VLSI beginners

  3. Engineers preparing for analog IC / VLSI interviews

  4. Anyone who wants to deeply understand MOSFET amplifiers and current sources

  5. Not recommended if you are completely new to MOSFETs


  • Tools Used

LTSpice (Free industry-standard simulation software)


By the end of this course, you will be able to confidently design, analyze, and simulate advanced MOSFET circuits that form the backbone of analog integrated circuits and operational amplifiers.

Who this course is for:

  • Students who want to learn Microelectronics
  • Students who want to learn FETs
  • Students who want to understand transistors in depth
  • Students who want to learn analog electronics in depth
  • Students who to learn analog circuit design
  • Advanced MOSFET Analysis and Design with Ltspice
  • Practical Applications of MOSFET Circuits on LTspice
  • Analog Electronics with MOSFET on LTspice
  • Electronic Engineers
  • Electrical Engineers
  • Biomedical Engineers
  • Instrumentation Engineers

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