Hardware Coursework

ECE‐UY 2004: Fundamentals of Electric Circuits

Grade: A

Topics Learned:

• RC/RL Circuits & Transient Measurements
• Nodal / Mesh Analysis
• Ohm’s Law & Kirchhoff’s Laws
• Thevenin / Norton equivalent circuits

Lab Work:

• Designed and built analog circuits using resistors, capacitors, and inductors
• Hands-on experience with oscilloscopes (Digilent Analog Discovery 2), logic analyzer, multimeters, and signal generators
• Analyzed circuit behavior under varying frequencies and load conditions

Transient Response of the Capacitor when the Resistance of the Potentiometer is 0 ꭥ

Transient Response of the Capacitor when the Potentiometer is at ¼ turn

ECE/CS 2204: Digital Logic and State Machine Design

Grade: A

Topics Learned:

• Combinational and sequential circuit design, state machines
• Verilog HDL and logic synthesis
• PLA, PAL, FPGA
• Latches & Flip-Flops Storage Devices

Lab Work:

• Implemented digital circuits on FPGA boards using ModelSim and Xilinx Vivado
• Built Verilog model of a Serial Adder as a Finite State Machine
• Learned how to validate FSM performance using a Verilog testbench

Verilog Code for a 16-bit Adder

The Simulated Waveform of the 16-bit Adder

4-bit 2’s Complement Adder on 7-Segment Display

Waveform for 3-bit Ripple Counter

State	Input at State	Input		Output
		X = 0	X = 1
Sempty	___	S0	S1	0
S0	0000	S0	S2
S1	___1	S3	S1	0
S2	__01	S4	S5	0
S3	__10	S3	S6	0
S4	_010	SEnd	S6	0
S5	_011	SEnd	S1	0
S6	_101	S4	SEnd	0
SEnd		SEmpty	SEmpty	1

FDM State Table for detecting 4-bit patterns (1011, 0110, 0100)

Waveform of Test-bench Simulation

ECE4144: Intro to Embedded Systems

Grade: A

Topics Learned:

• Programming the Atmega32u4 using ANSI C and Arduino Framework
• Bidirectional communication between microcontrollers using UART Serial Communication and Interrupt Subroutines
• Building an Analog-to-Digital Converter (ADC) using Pulse-Width-Modulation (PWM)
• Differences and use-cases for Fast PWM and Phase-Correct PWM
• Pin multiplexing (Pin Muxing) in ATmega32U4 microcontroller for GPIO
• DSP - Moving Average, IIR, and FIR filters
• Synchronous and Asynchronous communication protocols (UART and I2C)
• Configuring timers on the 32U4 processor by modifying timers’ registers using Atmel datasheet

Lab Work:

When percentage (potentiometer) is between 0% and 33% (Only 1 (red) LED lights up)

When percentage (potentiometer) is between 33% and 66% (2 LEDs light up)

Decoding a sine wave encoded inside a PWM signal using RC Low Pass Filter

Controlling the frequency with the potentiometer

ECE-UY-3114: Solid State Electronic Devices and Circuits I

Grade: A

Topics Learned:

• Operational Amplifiers, Frequency Response, and Applications
• Diodes and Rectifiers
• PN Junction (with Applied Voltage & Capacitive Effects)
• Bipolar junction transistor (BJT), NPN and PNP analysis
• Field-Effect Transistors (FET and MOSFET)
• General Charge Concentration Analysis

Lab Work:

Circuit Diagram For Measuring IV Characteristics & Breadboard Circuit For Current to Voltage Conversion

IV Characteristic of the General-Purpose 1N4003 Diode

Input Signal and Signal Through Zener Diode

Half-Wave Rectifier With Capacitive Filtering (100 F)

Two Half-Wave Rectifiers with Offset

Full-Wave Rectifier with Capacitive Filtration (10 uF capacitor)

MOSFET Transfer Characteristic Gate Voltage and Drain Current Relationship