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

• This course is an offline paid practical training course, not an online webinar course.
• Clicking the webinar registration button at the top will redirect you to the registration page.
• Please note that payment must be completed one week before the training date.
• Please be advised that the training schedule may change if the number of participants is low.
• Q&A sessions may continue until 6:00 PM, so please keep this in mind when booking public transportation.

 

 

DigiKey x e4ds Training Fee Support

👉 Regular price 250,000 KRW -> Limited period 150,000 KRW

Students who have already completed payment will receive a refund of the difference according to their payment method.

✔ Card payment → Partial cancellation

✔ Bank transfer → Account refund

✔ 150,000 KRW applied equally to all students

 

Course Overview and Objectives

This is an advanced training course targeting incumbent 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 that frequently occur in actual field environments, this course provides in-depth coverage of the operating principles of each circuit—from switching circuits, relay driving, diodes, transistor amplification, timer circuits, to negative power supply design—and the key design considerations for each.
 

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<Detailed Lecture Content>

 

1. Switching Circuit Design

Develop an in-depth understanding of the structure and operating principles of switching circuits, and learn about potential issues and optimal conditions that can arise 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 component damage prevention methods
• Pattern design for reducing noise emission in switching circuit implementation

Achieve perfect understanding of switching circuit principles, reduce unnecessary costs and time at the design stage, 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 for diode selection
• Diode types (Si, Schottky, SiC, GaN, etc.)
• Major factors in diode failure: reverse voltage, peak current
• Malfunction effects of diode circuits: concept and importance of Trr
• Forward voltage, reverse voltage, leakage current, and Trr characteristics depending on diode type
• Component selection and damage prevention methods according to circuit operation

Gain deeper understanding of diode structure and operating characteristics to improve circuit durability and reliability.
 

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3. Transistor Amplification Circuit Design

Starting with the limitations of load line design, learn various amplification circuit configurations including simple amplification circuits and buffer and feedback circuits in a step-by-step manner.

• 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
• Sources of errors in oscilloscope measurement

Develop deeper understanding of transistor amplification circuit principles and structure, and design circuits optimized for your specific purpose.
 

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4. Simple Negative Power Supply Generation Methods

Learn step-by-step from the basic principles of Negative Converters to negative power supply generation methods using clock, timer, and Charge Pump circuits.

• Negative Converter operating principle
• Negative power supply generation principle using clock
• Reasons for negative power supply generation using timer
• Charge Pump circuit operating principle

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 Practical Problem Solving

Develop an in-depth understanding of the structural and electrical characteristics of OP AMPs, and learn optimal circuit design methods considering input/output issues, malfunction causes, and field environment variables that occur in practice.

• OP AMP selection criteria
• Understanding input/output range
• Three factors affecting output range
• Misconceptions about OP AMP output range (actual meaning of load)
• Sensitivity degradation causes when using single supply and circuit design precautions
• OP AMP circuit malfunction causes and design precautions
• Strategies for addressing differences between development environment and field environment

Enhance understanding of OP AMPs and quickly diagnose and resolve issues such as output limitations and sensitivity degradation 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 in Instrumentation Amplifier design

Acquire noise suppression capability 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 develop high-quality analog signal conditioning techniques by comparing active filters with passive filter plus amplification combinations.

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

Acquire high-performance filter design capability for noise suppression and signal distortion minimization, applicable 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
• Ph.D. course completion in Electrical and Electronics Engineering, KAIST
• 10 years of service at Samsung Electronics Advanced Institute of Technology and Research
• Former specialist committee member of the National Technical Qualification Electronics Division
• Former specialist committee member of the Republic of Korea Master Craftsman Selection (Electronics Division)
• Former Professor, Department of Electronic Engineering, Shinhan University
• Emeritus Professor, Department of Electronic Engineering, Shinhan University