CMOS Integrated Circuit Simulation with LTspice

Description

• An ideal companion for students following a first course in integrated CMOS design.
• An ideal introduction to circuit simulation for new students in electrical or electronics engineering.
• Organized as a series of tutorials on specific subjects.
• Includes end-of-chapter problems.
• Covers introduction to LTspice for first-year students in electrical and electronics engineering - Tutorials 1 and 2.
• Includes both the classic Shichman-Hodges analytic transistor models and modern BSIM transistor models for circuit simulation - Tutorial 3.
• Deals with the basic CMOS gain stages both using analytical models and using simulation - Tutorial 4.
• Includes an example of the design of a two-stage opamp using a combination of analytical methods and simulation - Tutorial 5.
• Covers simulation of CMOS circuits in process corners and over temperature variations - Tutorial 6.
• Includes several hints and pitfalls specific to LTspice at the end of every tutorial.
• Appendix for the beginner with overviews of components and simulation commands.
• Appendix for the CMOS designer with examples of BSIM CMOS models for use with LTspice.
• Click here to download the exercise book.

Content

1. Tutorial 1 – Resistive Circuits 
   
   1. Example 1.1: A resistor circuit 
      
   2. Example 1.2: A transconductance amplifier 
      
   3. Example 1.3: A current amplifier 
      
   4. Example 1.4: Debugging a schematic 
      
   5. Problems 
      
2. Tutorial 2 – Circuits with Capacitors and Inductors 
   
   1. Example 2.1: An RC network 
      
   2. Example 2.2: A half-wave rectifier with a smoothing filter 
      
   3. Example 2.3: An amplifier with a capacitive feedback network 
      
   4. Example 2.4: An ideal inductor 
      
   5. Example 2.5: Revisiting the capacitor charging and discharging 
      
   6. Example 2.6: Determining capacitances and resistances in RC networks 
      
   7. Problems 
      
3. Tutorial 3 – MOS Transistors 
   
   1. Example 3.1: Different MOS transistor symbols and models in LTspice 
      
   2. Example 3.2: Advanced transistor models 
      
   3. Example 3.3: MOS transistor input characteristics 
      
   4. Example 3.4: MOS transistor output characteristics 
      
   5. Example 3.5: Deriving transistor parameters from input and output characteristics 
      
   6. Example 3.6: Simulating small-signal parameters using the ‘.tf’ simulation 
      
   7. Example 3.7: Simulating small-signal transistor capacitances using the ‘.ac’ simulation 
      
   8. Problems 
      
4. Tutorial 4 – Basic Gain Stages 
   
   1. Example 4.1: The common-source amplifier (inverting amplifier) 
      
   2. Example 4.2: The common-drain amplifier (source follower) 
      
   3. Example 4.3: The common-gate amplifier 
      
   4. Example 4.4: The differential pair 
      
   5. Problems 
      
5. Tutorial 5 – Hierarchical Design 
   
   1. Example 5.1: A two-stage operational amplifier 
      
   2. Example 5.2: Designing the two-stage opamp for an inverting feedback amplifier 
      
   3. Example 5.3: Generic filter blocks 
      
   4. Example 5.4: A mixed analog/digital circuit 
      
   5. Problems 
      
6. Tutorial 6 – Process and Parameter Variations 
   
   1. Example 6.1: Model files for corner simulations 
      
   2. Example 6.2: An inverter 
      
   3. Example 6.3: A test bench for the two-stage opamp 
      
   4. Example 6.4: Monte Carlo simulation 
      
   5. Problems
7. Tutorial 7 – Importing and Exporting Files 219
   1. Example 7.1: Importing a netlist file describing a current conveyor 219
   2. Example 7.2: Creating a subcircuit from a netlist 222
   3. Example 7.3: Exporting a netlist 229
   4. Example 7.4: Exporting other files 230
   5. Problems 234