2026 Intermediate Engineer Practical Masterclass - Circuit Design Methods and Component Failure Causes and Prevention Measures

• This course is an offline paid hands-on training course, not an online broadcast lecture.
• Clicking the webinar registration button at the top will redirect you to the registration page.
• Please note that payment must be completed one week prior to the training date.
• If the number of participants is low, the training schedule may be subject to change, so please take this into consideration.
• The Q&A session may extend until 6 PM, so please take this into account when booking public transportation.

 

 

DigiKey x e4ds Training Fee Support

👉 Regular price 250,000 KRW → Limited period 150,000 KRW

For students who have already completed payment, the difference will be refunded according to the payment method.

✔ Card payment → Partial cancellation

✔ Bank transfer → Account refund

✔ 150,000 KRW applied equally to all students

 

[Representative Components Used in Class]

1. LM324N - View component details

2. 2SD880 - View component details

3. 2SC1815 - View component details

Course Overview and Objectives

This is an advanced training course targeting current developers and engineers with practical circuit design experience, covering advanced topics in electronic circuit design and real-world problems in precision measurement environments.

Based on 35 years of expertise from Professor Jo Sung-jae of the Department of Electrical and Electronic Engineering at Shinhan University,

Focusing on component failure cases frequently encountered in actual field applications, the course provides in-depth coverage of the operating principles and key design considerations for switching circuits, relay driving, diodes, transistor amplification, timer circuits, and negative power supply design.
 

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<Detailed Course Content>

 

1. Switching Circuit Design

Develop a deep understanding of the structure and operating principles of switching circuits, and learn about potential problems and optimal conditions that may occur during the design process.

• Issues in switching circuit design using load lines
• Switching circuit design methods: optimal conditions
• Design considerations for switching circuits: understanding the relationship between load, switching speed, heat generation, and EMI noise
• Transistor circuit design
• FET circuit design
• Photo coupler circuit design
• Component selection and damage prevention methods
• Pattern design to reduce noise leakage during switching circuit implementation

Achieve a complete understanding of switching circuit principles, save unnecessary costs and time during the design phase, and ensure circuit stability.
 

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2. Diode Circuit Design

Understand the electrical characteristics and failure causes of various diodes (Si, Schottky, SiC, GaN, etc.) commonly used in practice, and learn correct design techniques based on this understanding.

• Key parameters in diode selection
• Types of diodes (Si, Schottky, SiC, GaN, etc.)
• Main factors causing diode failure: reverse voltage, peak current
• Effects of diode circuit malfunction: concept and importance of Trr
• Forward voltage, reverse voltage, leakage current, and Trr characteristics by diode type
• Component selection based on circuit operation and damage prevention methods

Develop a deep understanding of diode structure and operating characteristics to improve circuit durability and reliability.
 

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3. Transistor Amplification Circuit Design

Starting from the limitations of load line design, learn various amplification circuit configurations step by step, including simple amplification circuits and buffer and feedback circuits.

• Issues in amplification circuit design using load lines
• Optimal design methods
• Simple video amplification circuit design methods
• Necessity of buffer circuits
• Feedback video amplification circuit design methods
• Low-noise amplification circuit design methods
• Error causes when measuring with oscilloscopes

Develop a deep understanding of the principles and structure of transistor amplification circuits and design optimized circuits according to your purpose.
 

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4. Simple Negative Power Supply Generation Methods

Learn step by step the basic principles of negative converters and negative power supply generation methods using clock, timer, and charge pump circuits.

• Negative converter operating principles
• Principles of negative power supply generation using clocks
• Reasons for negative power supply generation using timers
• Operating principles of charge pump circuits

Acquire practical design techniques to implement negative power supplies with simple circuits without using SMPS.
 

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5. OP AMP Circuit Design and Real-World Problem Solving

Develop a deep understanding of the structural and electrical characteristics of OP AMP, and learn optimal circuit design methods that consider input/output problems, malfunction causes, and field environment variables that occur in practice.

• OP AMP selection criteria
• Understanding input/output ranges
• Three factors affecting output range
• Misconceptions about OP AMP output range (actual meaning of load)
• Sensitivity reduction causes when using single power supply and design considerations
• OP AMP circuit malfunction causes and design precautions
• Responding to differences between development environment and field environment

Enhance understanding of OP AMP and quickly diagnose and resolve output limitation and sensitivity reduction problems that occur during practical circuit development, significantly reducing design errors.
 

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6. Differential Amplifier vs Instrumentation Amplifier

Compare the structural differences and operating principles of differential amplifiers and instrumentation amplifiers for processing low-noise, high-precision signals, and learn design methods to maximize common mode noise suppression performance.

• Principles of differential amplifiers and instrumentation amplifiers resistant to common mode noise
• Single-ended vs differential signal
• Necessity and design tips for instrumentation amplifiers
• Malfunction causes and precautions when designing instrumentation amplifiers

Secure noise suppression capabilities required for high-precision measurement and control systems, and implement stable signal processing circuits resistant to noise problems in actual environments.
 

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7. OP AMP Filter Circuit Design

Learn the operating principles and design procedures of 1st to 3rd order OP AMP-based active filters (LPF/HPF), and compare the differences between active filters and passive filter + amplification combinations to master high-quality analog signal conditioning techniques.

• 1st, 2nd, and 3rd order active LPF/HPF design
• Design precautions for active filters
• Characteristics and performance comparison of (active filters) and (passive filters + amplification circuits)
• Importance of linear phase

Secure high-performance filter design capabilities for noise suppression and signal distortion minimization, and apply them to the analog preprocessing stage of various systems.
 

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<Field Training Equipment>

• Oscilloscope
• Function Generator
• Power Supply

 

Instructor: Professor Jo Sung-jae

• Graduated from the Department of Electronics Engineering, Kyungpook National University
• Master's degree in Electrical and Electronics Engineering, KAIST
• Completed doctoral coursework in Electrical and Electronics Engineering, KAIST
• 10 years of service at Samsung Electronics Advanced Institute of Technology
• Former specialist committee member in the electronics field, National Technical Qualification
• Former specialist committee member for Korea's Master Craftsman Selection (Electronics Field)
• Former Professor, Department of Electronic Engineering, Shinhan University
• Emeritus Professor, Department of Electronic Engineering, Shinhan University