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• Integrated Circuits and Systems

This course is designed to supplement the material of ECE 342 and provide a first experience in design, simulation, analysis, and test of electronic circuits using LTpice, Analog Devices ADALM1000 kits, and lab instruments.

• Electric circuit analysis
• Diodes, rectifier and reference circuit
• Linear Regulators
• MOS transistors, MOS logic circuits, MOS amplifier circuits
• BJT differential amplfiers

This course is designed to supplement the material of ECE 342 and provide a first experience in design, simulation, analysis, and test of electronic circuits using PSpice and lab instruments.

Topics:

• Passive and active filters
• Diodes
• Linear Regulator Design
• MOS transistors, MOS logic circuits, MOS amplifier circuits
• BJT differential amplifiers

• Computer simulation using LTSPice
• Data analysis using Keysight Bench Vue, Excel, and Matlab

• Familiarity with circuit lab work and instrumentation
• Familiarity with a personal computer

No text.

Engineering Science: 25%
Engineering Design: 75%

ECE 343 is an adjunct to ECE 342 - Electronic Circuits - and is required for ECE majors. The goals are to supplement the material of ECE 342, to assist students in obtaining a better understanding of the operation of microelectronic circuits, and to provide a first experience in analysis, design, and test of microelectronic circuits using LTSpice, ADALM1000 Kits, and lab instruments.

Lab#1 Passive and Active Filters (6 hours)

At the end of this project, the students will be able to do the following:

1. Fourier/Laplace transform and filter design review (1,5,6)
2. Use of circuit simulation software (LTspice) to analyze performance (1,5,6)
3. Perform demo in lab using lab equipment (1,5,6)
4. Compare and analyze theoretical, simulated, and experimental results (1,5,6)
5. Lab Reflection (1,3,6,7)

Lab#2 Diodes and Application (3 hours)

At the end of this project, the students will be able to do the following:

1. Use LT Spice to simulate diode I-V curves and interpret results (1,5,6)
2. Analyze a diode based regulator/reference voltage source and simulate using LTSpice (1,5,6)
3. Analyze and simulate diode based rectifier circuits (1,5,6)
4. Perform demo in lab using lab equipment (1,5,6)
5. Compare and analyze theoretical, simulated, and experimental results (1,5,6)
6. Lab Reflection (1,3,6,7)

Lab #3 Linear Regulator Design (12 hours)

At the end of this Lab, the students will be able to do the following

1. Circuit design using nonlinear circuit elements (1,2,5,6)

2. Making and justifying design choices based on requirements (1,2,5,6)

3. Simulate designed power supply on LTSpice (1,5,6),

4. Evaluate performance parameters and compare with design requirements (1,5,6)

5. Build a AC-DC power supply (1,2,5,6)

6. Solder circuit on a PCB (1,6)

7. Compute DC-DC conversion efficiency of three circuits - voltage dividers, Zener diode based DC-DC conversion (ECE 110), Power supply designed in this lab (ECE 343) (1,5,6,7)

8. Compare DC-DC conversion efficiency of designed voltage regulator with DC-DC conversion using a boost/buck converter and evaluate tradeoffs (ECE 469) (1, 4,5,6,7)

9. Reflection exercises (1,3,6,7)

Lab#4 MOS Large Signal Analysis (6 hours)

At the end of this Lab, the students will be able to do the following:

1. Obtain and investigate MOS I-V characteristics and obtain key MOS parameters from the IV characteristics. (1,5,6)

2. Analyze, simulate, and build CMOS logic circuits verify the logic function, and measure the propagation delay, noise margin, and power dissipation using an oscilloscope, function generator, and power supply. Compare with expected results(1,5,6)

3. Analyze, simulate, and build MOS amplifiers. (1,5, 6)

5. Perform demo in lab using lab equipment (1,5,6)

6. Reflection exercises (1,3,6,7)

Lab #5 MOS Application (6 hours)

At the end of this lab, the students will be able to do the following:

1. Obtaining the voltage transfer characteristics (VTC) of a CMOS inverter and investigation of the impact of W/L ratio from the VTC (1,5,6)

2. Extraction of noise parameters from VTC (1, 5, 6)

3. Obtain propagation delay of inverters (1,5,6)

4. Design and implement basic logic gates (1,5,6)

5. Reflection exercises (1,3,6,7)

Lab #6 (12 hours)

At the end of this project, the students will be able to do the following:

1.Design a current mirror based biasing circuit. (1,2, 5, 6)

2. Design a differential amplifier with current source biasing (1,2,5, 6)

3. Simulate design using LT Spice. Record results and verify design specifications are met. (1, 5, 6)

4. Make connections between designed amplifier and a commercial opamp (1,5,6,7)

5. Compare the measured amplifier parameters - Rin, Rout, Gain with corresponding parameters of an ideal opamp (1,5,6,7)

6. Identify the modules in a real operational amplifier that contribute to making the parameters of the differential op-amp approach those of an ideal op-amp (1,5,6,7)

7. Reflection exercises (1,3,6,7)