UNIVERSITY OF WEST ATTICA
SCHOOL OF ENGINEERING
DEPARTMENT OF COMPUTER ENGINEERING AND INFORMATICS

University of West Attica · Department of Computer Engineering and Informatics

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Electronics

Rectification

Vasileios Evangelos Athanasiou
Student ID: 19390005

GitHub · LinkedIn

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Supervision

Supervisor: Panagiotis Giannakopoulos, Professor

UNIWA Profile · LinkedIn

Supervisor: Ioannis Amorginos, Applications Lecturer

UNIWA Profile · LinkedIn

Co-supervisor: Eleni Tsalera, Academic Scholar

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Co-supervisor: Michalis Diamantopoulos, Applications Lecturer

UNIWA Profile

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Athens, December 2022

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README

Rectification

The project investigates multiple rectification techniques through:

• Theoretical analysis
• Computer simulation using Multisim
• Experimental laboratory validation

These approaches ensure a complete understanding of rectifier operation and real-world behavior.

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Table of Contents

Section	Folder / File	Description
1	assign/	Assignment material
1.1	assign/Exercise-5th-Rectification.pdf	Assignment description (English)
1.2	assign/Άσκηση-5η-Ανόρθωση.pdf	Assignment description (Greek)
2	componentss/	Lab components and equipment images
3	docs/	Theoretical documentation
3.1	docs/Rectification.pdf	Theory (English)
3.2	docs/Ανόρθωση.pdf	Theory (Greek)
4	lab1b/	Lab 1b: Diode conducts experiment images and Multisim file
5	lab2a/	Lab 2a: Diode conducts analysis images, graphs, and Multisim file
6	lab2b/	Lab 2b: Diode not conducts experiment images, graphs, and Multisim file
7	lab3b/	Lab 3b: Bridge and double rectification experiments, images, graphs, Multisim files
8	photos-in-lab/	Lab photos and equipment in action
9	questions/	Questions related to the lab
10	README.md	Project documentation
11	INSTALL.md	Usage instructions

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1.Core Modules

1.1 Simple Rectification with Resistance

• Mathematical analysis of half-wave rectification
• Multisim simulation of the circuit
• Breadboard implementation using:
  • 4.7 kΩ resistor
  • Silicon diode

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2. Simple Rectification with Diode-Switch (Parts A & B)

• Detailed examination of diode-switch behavior
• Analysis of conduction and cutoff states during input signal cycles

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3. Double Rectification with Bridge

• Design and implementation of full-wave rectification
• Use of a diode bridge to utilize both half-cycles of the input waveform
• Comparison with single rectification in terms of output stability and efficiency

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4. Laboratory Equipment Used

• Power Supply:

  • DC Power Supply
  • Analog & Digital Training System (M21-7000A)

• Measurement Tools:

  • Oscilloscope: HAMEG HM203-5 / HM303-6
  • Digital Multimeter Bench: MCP MT8045

• Components:

  • Breadboard
  • Silicon diodes
  • 4.7 kΩ resistors

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5. Key Findings

5.1 Theoretical vs. Experimental Results

For a simple resistive rectification circuit with an 8 V_p-p input signal:

• Maximum output voltage (V_max) ≈ 3.4 V
• Average output voltage (V_μ) ≈ 1.3 V

These results closely match theoretical expectations when diode voltage drops are considered.

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6. Waveform Observation

• During the positive half-cycle, the diode is forward-biased, allowing current flow and producing a sinusoidal output.
• During the negative half-cycle, the diode is reverse-biased, resulting in zero output voltage.

This confirms correct half-wave rectification behavior.