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UNIWA

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

Electronics

Diode

Vasileios Evangelos Athanasiou
Student ID: 19390005

GitHub · LinkedIn

Supervision

Supervisor: Panagiotis Giannakopoulos, Professor

UNIWA Profile · LinkedIn

Supervisor: Ioannis Amorginos, Applications Lecturer

UNIWA Profile · LinkedIn

Co-supervisor: Eleni Tsalera, Academic Scholar

UNIWA Profile · Scholar

Co-supervisor: Michalis Diamantopoulos, Applications Lecturer

UNIWA Profile

Athens, November 2022

INSTALL

Diode

This guide explains how to install, set up, and use the Diode laboratory project.
The repository contains theoretical material, Multisim simulations, experimental results, and diagrams related to silicon crystal diodes and Zener diodes.

1. Prerequisites

Before working with this project, ensure the following requirements are met.

2. Software Requirements

2.1 NI Multisim

  • NI Multisim 14 or newer
  • Required to open and run circuit simulations and verify diode behavior.
  • Used extensively in:
    • Forward-biased diode experiments
    • Reverse-biased diode experiments
    • Zener diode analysis

2.2 PDF Reader

  • Any modern PDF viewer (Adobe Reader, browser-based, etc.)
  • Required to open:
    • Assignment descriptions
    • Theoretical documentation (English & Greek)

2.3 Diagram Viewer

  • Microsoft Visio or a compatible viewer
  • Required for .vsdx files (e.g., zener/Q4.vsdx)

3. Hardware Requirements (Optional – for Physical Lab Work)

If performing real laboratory measurements, the following equipment is required:

  • DC Power Supply
  • Digital Multimeter: MCP MT8045
  • Training System: M21-7000A (with breadboard)
  • Components
    • Resistors: 4.7 kΩ, 150 Ω
    • Silicon diodes
    • Zener diodes

Hardware is not required if you are only running simulations and reviewing documentation.

4. Installation & Setup

4.1 Clone the Repository

git clone https://github.com/Electronics-aka-Uniwa/Diode.git
cd Diode

4.2 Open and Run Multisim Simulations

  • Launch NI Multisim.
  • Navigate to the relevant experiment folder, for example:
diode/ForwardDiode/ForwardDiodeSi/
  • Open the provided Multisim project files.
  • Click Run Simulation.
  • Observe:
    • Diode I–V characteristics
    • Forward voltage drop
    • Reverse-bias behavior
    • Zener breakdown region

4.3 Access Theoretical Documentation

Open the files located in the docs/ directory:

  • English: Diode.pdf
  • Greek: Δίοδος.pdf

These documents cover:

  • PN-junction theory
  • Forward and reverse bias operation
  • Zener diode breakdown behavior

4.4 Review Assignment Instructions

Navigate to the assign/ folder:

  • English: Exercise-3rd-Diode.pdf
  • Greek: Άσκηση-3η-Δίοδος.pdf

Follow these documents for:

  • Required experiments
  • Measurement procedures
  • Expected analysis and conclusions

4.5 View Diagrams and Graphs

  • Open experimental graphs from:
diode/Graphs/
zener/Graphs/
  • Open Visio drawings (if available) using Microsoft Visio:
zener/Q4.vsdx

5. Running the Experiments

5.1 Silicon Crystal Diode

  • Forward Bias
    • Measure voltage and current
    • Observe barrier potential (~0.6 V)
  • Reverse Bias
    • Confirm minimal current flow
    • Verify theoretical expectations

5.2 Zener Diode

  • Forward Bias
    • Analyze conduction characteristics -Reverse Bias
    • Observe breakdown region
    • Verify voltage stabilization behavior