Wave Technology List of Products and Services

★★Useful Information Report: Knowledge is Gained★★ This report introduces DRC. DRC stands for Design Rule Check, which is a function of PCB CAD that verifies whether the design adheres to the specified design rules and can automatically detect violations of those rules. The advent of PCB CAD has reduced labor costs and improved the quality of PCB design. While DRC is very convenient, it is crucial to correctly set the design rules for the PCB CAD to accurately identify rule violations. For more details, please take a moment to read further. 【Contents】 ■About DRC - Items for setting design rules in PCB design *For more information, please refer to the PDF document or feel free to contact us.

• Drawing, tracing, CAD

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces considerations for component placement. It is rare to use a circuit board in isolation; it is more common to house it in a case or connect it to other devices. In component placement considerations, we first position components that cannot be structurally moved, such as connectors and switches. For other components, we proceed with the placement while paying attention to structural placement constraints (height limitations of components, areas where placement and wiring are prohibited). For more details, please take a moment to read through. 【Contents】 ■ Considerations for structural component placement constraints ■ Placement considerations taking electrical characteristics into account ■ Wiring considerations *For more information, please refer to the PDF document or feel free to contact us.

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Our company is offering an online course titled "Basics of Power Devices." In response to customer feedback such as "I want to improve my skills since I have more time at home" and "I can't understand even when studying on my own," we have prepared both on-demand courses and live streaming courses. You will understand the structure and operating principles of power devices, as well as key points from data sheets. Additionally, we provide confirmation tests and detailed explanations from instructors. If you have any requests regarding other online courses, please feel free to consult us. 【Online Course Content】 ■ Overview of Power Devices ■ Diodes ■ Basic functions and operating principles of MOSFETs and IGBTs ■ Characteristics of Power MOSFETs and IGBTs ■ Properties of SiC devices and their advantages as power devices *For more details, please refer to the PDF materials or feel free to contact us.

• others
• Parts and Materials

★★Shirutoku Report: Useful Information You Can Benefit From★★ In this report, we would like to introduce the automatic control of measurement devices related to optical devices. To confirm the functionality of optical devices, multiple characteristics such as optical output, light sensitivity, and frequency characteristics are measured and evaluated. To evaluate these characteristics, a variety of measurement devices are used, including DC power supplies, temperature controllers, and optical component analyzers. For more details, please be sure to read on. 【Contents】 ■Automatic Control of Measurement Devices 　・Benefits of Automatically Controlling Measurement Devices *For more information, please refer to the PDF document or feel free to contact us.*

• Automatic Control Equipment
• IT Control and Services

★★Shirutoku Report: Useful Information You Should Know★★ In this report, we will discuss the analysis methods for "BGA packages." "BGA" stands for "Ball Grid Array," which is a type of package for integrated circuits (ICs). In simple terms, it is a surface mount package that has electrodes (lands) on the substrate, with solder balls formed on top to connect to the electrodes on the package side. For more details, please take a look. 【Contents】 ■ About BGA Packages ■ Dyeing Analysis ■ Cross-Section Polishing *For more information, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Should Know★★ In WTI's circuit board design, we handle various types of board designs, including large-scale circuit boards, multilayer wiring boards, high-density mounting boards, and flexible printed circuits (FPC). One of the most requested designs is for small, high-density mounting boards used in IoT devices and wearable devices. To reduce the size of products and lower board costs, it is common to adopt BGA packages for microcontrollers and FPGAs. This report discusses 'BGA Board Design.' We encourage you to read it. [Contents] ■ About BGA Board Design *For more details, please refer to the PDF document or feel free to contact us.*

• Electrical Equipment Testing
• Facility Design

★★Shirutoku Report: Useful Information You Should Know★★ When designing for waterproofing, many people tend to focus solely on the gasket parts of the housing. In fact, the screw areas require even more attention than the main waterproof sections. This report discusses the screw structures in waterproof design and points to consider during their examination, addressing frequently asked questions. Please take a moment to read it. 【Contents】 ■ Services we have received inquiries about ■ Frequently asked questions - What specifications should be applied for waterproof screws? - What is the most important point to be cautious about when using waterproof screws? *For more details, please refer to the PDF document or feel free to contact us.

• Waterproofing work
• Facility Design

★★Shirutoku Report: Useful Information You Can Benefit From★★ In this report, we will focus on addressing the discontinuation of parts using "FPGA." This is not about replacing the parts themselves with "FPGA," but rather introducing designs that implement measures for the discontinuation of LCD panel production using "FPGA." If you need designs such as "I want to perform data processing for high-speed serial communication with FPGA" or "I want to process signals from sensors with FPGA and transfer data," please feel free to contact us. 【Contents】 ■ Solutions with "FPGA"! *For more details, please refer to the PDF document or feel free to contact us.*

• Power distribution and control panels
• IT Control and Services

★★Shirutoku Report: Useful Information You Should Know★★ Printed circuit boards are relatively expensive components among electronic devices, and depending on the quality of the design, the use of the board may change, which can affect costs. You may search for inexpensive board manufacturers overseas and consider adopting them, but the factors that have a significant impact on the cost of printed circuit boards are "board structure/layer count" and "board size." In this report, we will introduce tips for reducing costs, focusing on "board size." [Contents] ■ Tips for Cost Reduction on Board Size *For more details, please refer to the PDF document or feel free to contact us.*

• Parts and Materials

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces typical evaluations (drop tests, waterproof tests) conducted in the development and design of mobile communication devices. The drop test is the first test performed to confirm the strength of the casing. The waterproof test is based on protection ratings defined by IEC (International Electrotechnical Commission) and JIS (Japanese Industrial Standards), and it is necessary to select a testing method that suits the product's purpose. In terms of structural evaluation, there are other tests such as pressure tests and key press tests, and WTI is capable of handling various tests. If you have any inquiries about what can be done, please feel free to reach out to us. [Contents] ■ Drop Test ■ Waterproof Test *For more details, please refer to the PDF document or feel free to contact us.

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★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the "Structure of Circuit Boards." It includes topics such as "Classification by Board Structure," "Conductor Materials and Solder Resist," and "The Importance of Initial Considerations in Board Structure." Our company is also capable of supporting circuit board design from initial considerations, including board structure. Please feel free to reach out if you need assistance. 【Contents】 ■ Classification by Board Structure ■ Conductor Materials and Solder Resist ■ The Importance of Initial Considerations in Board Structure ■ About Flexible Circuit Boards *For more details, please refer to the PDF document or feel free to contact us.*

• Parts and Materials

★★Shirutoku Report: Useful Information You Should Know★★ The ESP32 is a microcontroller that incorporates Wi-Fi and Bluetooth, manufactured by Espressif Systems, a wireless chip maker based in Shanghai. OTA stands for Over The Air, which allows programming to be written via wireless networks such as Wi-Fi, mobile data communication, and Bluetooth. In this report, we attempted programming using OTA with the ESP32 microcontroller, and we will introduce the details of that experience. 【Contents】 ■ What is ESP32 ■ What is OTA ■ Boards Used ■ Writing the Program *For more details, please refer to the PDF document or feel free to contact us.*

• System lighting and lighting control
• others

★★Shirutoku Report: Useful Information You Can Benefit From★★ The performance requirements for developed products are increasing year by year, leading to a more challenging thermal environment due to the need for thinner and smaller products and the addition of circuit functions (such as communication functions), which increase heat sources. In response, our company has decided to offer a service that identifies the presence of thermal issues and the difficulty of thermal design early in the design phase (thermal issue preventive diagnosis). This report explains "Product Performance Requirements and Thermal Issues" and "Contents of Thermal Issue Preventive Diagnosis." [Contents] ■ About Thermal Simulation ■ Product Performance Requirements and Thermal Issues ■ Contents of Thermal Issue Preventive Diagnosis *For more details, please refer to the PDF document or feel free to contact us.

• others

★★Shirutoku Report: Useful Information You Should Know★★ The design values and finished values of wiring widths and layer spacing differ depending on the type of circuit board and manufacturing methods (such as subtractive methods, semi-additive methods, etc.). In this report, we will introduce the different types of circuit boards available. Additionally, WTI offers various types of circuit board design and prototyping services. Please feel free to reach out to us. 【Contents】 ■ Types of Circuit Boards and Their Applications *For more details, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Can Benefit From★★ In recent years, our company has seen an increase in automotive-related business and is involved with V2H, a charging and discharging system for electric vehicles. V2H stands for "Vehicle to Home," which is an abbreviation for a system that allows the battery of an electric vehicle to be used at home. This report will introduce V2H. [Contents] ■ What is V2H? ■ What can you do with V2H? *For more details, please refer to the PDF document or feel free to contact us.

• Batteries and Capacitors
• DC Power Supply

★★Shirutoku Report: Useful Information You Should Know★★ In this report, we will introduce the "characteristic impedance (wiring impedance)" of printed circuit boards. With the recent increase in the speed of digital signals, the design of digital circuit boards now requires the concept of distributed constant circuits rather than lumped constant circuits, making it necessary to consider the characteristic impedance of the board in the design. So, how do we determine the characteristic impedance of a printed circuit board? [Contents] ■ Characteristic Impedance of Printed Circuit Boards *For more details, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Can Benefit From★★ By switching semiconductor materials from Si to SiC (silicon carbide), the breakdown voltage of Schottky Barrier Diodes (SBD) has improved, making them usable in DC/DC converters for PCS. While using SiC enhances performance, cost issues had previously hindered its adoption. However, in the past year or two, cost challenges have improved, leading to an increase in usage opportunities. This report will briefly explain the types and characteristics of diodes. [Contents] ■ Types and Characteristics of Diodes *For more details, please refer to the PDF document or feel free to contact us.*

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• DC Power Supply
• Parts and Materials

★★Shirutoku Report: Useful Information You Can Benefit From★★ What kind of semiconductor failures come to mind when you think of them? First, you might think of damage caused by static electricity, right? Of course, optical semiconductors can also fail due to static electricity, but they can also fail due to light itself. In this report, we will explain a bit more about failures caused by light. [Contents] ■Failures Caused by Light *For more details, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Should Know★★ Without further ado, I will talk about the metal enclosures I am currently involved in developing. There are various processing methods for creating metal enclosures, and the design techniques change depending on the processing method. This report briefly introduces the representative processing methods and design techniques for metal enclosures. [Contents] ■ Press bending ■ Deep drawing ■ Die casting *For more details, please refer to the PDF document or feel free to contact us.

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★★Shirutoku Report: Useful Information You Should Know★★ The "power supply" is an essential component in electrical circuits. The "power supply" has functions such as converting voltage levels and transforming alternating current (AC) to direct current (DC). Among these, I would like to talk about the frequently used "DC-DC converter." A "DC-DC converter" is a device that converts direct current into direct current at different voltage levels. While detailed design methods can be referenced in specialized books, this report introduces key points for beginners when designing. 【Contents】 ■ Key Points in Circuit Design *For more details, please refer to the PDF document or feel free to contact us.*

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★★Useful Information Report: Knowledge is Power★★ This report introduces a board called M5stack, which is equipped with a Wi-Fi module called "ESP32," along with practical examples of its use. The creation process is super simple: it searches for Wi-Fi signals and displays the acquired data on the screen. That's all there is to it. Please take a moment to read it. 【Contents】 ■How to Make a Simple Wi-Fi Checker ・Recipe *For more details, please refer to the PDF document or feel free to contact us.

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★★Shirutoku Report: Useful Information You Can Benefit From★★ Power supply equipment includes electrolytic capacitors, photo couplers (optical communication devices), relays, and other components that must meet the product's lifespan requirements. There are many methods for verifying lifespan through lifespan calculations and electrical evaluations. This report introduces examples of electrical evaluations. [Contents] ■Electrolytic Capacitors ■Photo Couplers *For more details, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Can Benefit From★★ Our company is involved in the development of semiconductor package mounting technology and mounting reliability technology. We mainly focus on packages known as BGA (Ball Grid Array). In this report, we will introduce the daisy chain sample used for evaluating the mounting reliability of semiconductor packages. [Contents] ■ Daisy chain sample for identifying breakage points ■ Daisy chain sample for identifying breakage points - Case studies from customer inquiries *For more details, please refer to the PDF document or feel free to contact us.*

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We are offering our "Radio Wave Anechoic Chamber Rental Service" at a special campaign price to celebrate the 5th anniversary of its launch. This rental service includes the use of a "Simple Radio Wave Anechoic Chamber" and an "Electromagnetic Wave Visualization System." We also have a variety of noise countermeasure equipment, such as the "Electromagnetic Wave Visualization System" and "Noise Terminal Voltage Measurement System." We encourage you to consider applying for this opportunity. 【Campaign Details】 ■ Price: 5,000 yen per hour (including tax) * An additional equipment training fee of 3,000 yen (including tax) is required. Customers who have used our services within the past year are exempt from this fee. ■ Options - Electromagnetic Wave Visualization System - Δ-type Power Supply Impedance Stabilization Circuit Network * For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the composition (types) of circuit board data. We provide a diagram outlining the general flow from circuit board design to manufacturing. Our company can convert Gerber data to our CAD data (CR5000BD) for design purposes when a revision of existing circuit boards is necessary, such as for the development of similar models or for discontinued parts (EOL, discon). If you need designs that utilize existing design assets, please feel free to contact us. 【Main Circuit Board Design CAD (Excerpt)】 ■CR5000BD (Zuken) - Circuit board CAD data file extension: .pcb/.rul - Cover data file extension: .phl/.phd ■CR8000DF (Zuken) - Circuit board CAD data file extension: .dsgn - Cover data file extension: fph/fpl *For more details, please refer to the PDF document or feel free to contact us.

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★★Shirutoku Report: Useful Information You Can Benefit From★★ This report introduces the use of "interface circuits" that make measurement convenient, which is being developed by the Custom Technology Division. Our company occasionally prepares highly versatile "interface circuits" as originals, and this time we are featuring one of those examples. Proposing solutions to our customers' challenges is a hallmark of our services. If you are interested, we look forward to hearing from you. 【Contents (Excerpt)】 ■ Providing services centered around custom measurement ■ What is an interface circuit? ■ Image of the configuration of an interface circuit (analog isolation circuit board) ■ Production board for the interface circuit (analog isolation circuit board) *For more details, please refer to the PDF document or feel free to contact us.

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★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the essential "antenna" for communication devices. We describe the characteristics of antennas commonly used in wireless communication devices. Our company provides support services to address improvements in antenna communication distance, so if you have any inquiries or would like to consult with us, please feel free to contact us. 【Contents】 ■ Antennas used in wireless communication devices ■ Grounding (GND) is important for antennas! ■ Be careful with the substrate when using pattern antennas! ■ Check the finish once the substrate is completed! ■ Pay attention to the area around the antenna! ■ Strategies for improving antenna communication distance *For more details, please refer to the PDF document or feel free to contact us.*

• Information and communication equipment and infrastructure

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the most frequently asked questions from customers regarding the development of waterproof products and their solutions. You may have come across the terms "waterproof specifications IPX5, 6, 7" in various product fields. Waterproof specifications have become a standard feature in smartphones, and as a result, the demand for waterproof functionality is increasingly expected across all consumer products. We provide answers to questions such as "What are the structural differences between waterproof and non-waterproof products?" and "What does the evaluation of waterproof products entail?" along with key points. We encourage you to read it. 【Contents (Excerpt)】 ■Question: What are the structural differences between waterproof and non-waterproof products? ■Question: I want to have a certain level of waterproof performance, but I prioritize design and production costs. In this case, what level of protection rating is achievable? ■Question: What does the evaluation of waterproof products entail? *For more details, please refer to the PDF document or feel free to contact us.

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★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the circuit operation of power converters. A power converter is a device that converts the direct current (DC) generated by solar panels into alternating current (AC) for commercial power systems. As an example, we have included a configuration diagram that only describes the power circuit using a transformer-less method. Please take a moment to read it. 【Featured Content】 ■ About the circuit operation of power converters - Chopper circuit - Inverter circuit ■ Have you ever experienced issues where the device does not operate even though it was built according to the circuit diagram, or where the switching elements fail immediately? *For more details, please refer to the PDF document or feel free to contact us.

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The "Electronic Component Replacement Consideration Service" is a service that leads to the resolution of the concern, "I'm having trouble considering replacements for electronic components..." We provide a one-stop solution for alternative product research, redesign, prototyping, and evaluation regarding electronic component replacement considerations. Our technical range is broad, capable of handling everything from analog and digital circuits to high-frequency circuits, as well as board, mechanical, and thermal design, allowing us to meet a variety of customer needs. 【Features】 ■ One-stop solution for alternative product research, redesign, prototyping, and evaluation ■ Broad technical range available ■ Ability to respond to diverse customer needs *For more details, please refer to the PDF document or feel free to contact us.

• IT Control and Services

If the temperature of the components is not measured correctly, it can lead to incorrect judgments. Our company holds a patent for accurately measuring the temperature of semiconductors, and we can accommodate everything from electronic components to thermal measurements of indoor spaces. If you want to understand the temporal changes in component temperature or thermal resistance, please feel free to consult us. 【Overview】 ■ Items to be prepared by the customer - Measurement samples - Peripheral equipment necessary for the operation of the measurement samples - Measurement specifications (operating conditions, measurement locations, measurement environment) ■ Deliverables - Report (measured results, discussion) *For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies

We would like to introduce our "PCB Design Contract Service." We have all the design teams necessary for product development (electrical, mechanical, PCB, software) in place, allowing us to undertake these tasks collectively and collaborate closely within the company to optimize design, cost, performance, and other aspects, resulting in well-finished products. Additionally, we can incorporate key technologies that are in high demand in recent product development, such as position detection, wireless power transfer, signal processing, image recognition, and AI, by leveraging our internal and external networks. 【Features】 ■ Proven track record in designing various types of PCBs ■ Designs that reflect electrical analysis for SI/PI/EMI based on customer requests (in collaboration with partner companies) ■ Paper-based circuit diagrams are retraced using circuit diagram CAD, and netlists are created ■ Design and prototyping of special PCBs such as flexible PCBs and aluminum PCBs are also possible ■ Prototyping is conducted in collaboration with partner companies, allowing for a variety of specifications to be completed in a short time *For more details, please refer to the PDF materials or feel free to contact us.

• Parts and Materials

"I want to investigate the causes and countermeasures for the areas that failed the waterproof test." "I want to confirm the limits of the product (design margin)." Do you have such concerns? Wave Technology Co., Ltd. offers waterproof testing services equivalent to IPX5, IPX6, and IPX9K. We provide a variety of plans, including "Plan A," which is for testing only, as well as "Plan B" and "Plan C," which include testing and support for defects. Please feel free to consult us when you need our services. 【Plan Details】 ■ Plan A: Testing only ■ Plan B: Testing + defect support ■ Plan C: Testing + design support + standardization *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Waterproof Concierge" is a service that provides speedy solutions and countermeasures with a design that incorporates logical verification, thereby shortening development timelines. In general testing sites, pass/fail judgments cannot be made without on-site evaluation (according to our research). The "Waterproof Concierge" has various advantages as our engineers handle the evaluations. Furthermore, we support the standardization of waterproof design according to customer requests. Please feel free to consult us when needed. 【Features】 ■ Fast response due to in-house waterproof testing ■ Ability to estimate limit values for waterproof measures ■ Extensive development track record ■ Support available not only for new waterproof designs but also from the intermediate stages of development *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproof sheet
• Emergency alarm system
• Gas leak device

The "Waterproof Concierge" is a contract service for mechanical design that quickly resolves issues and implements measures with logical verification in its design, thereby shortening development lead times. Our company has all the design teams necessary for product development (electrical, mechanical, circuit board, software) in-house, allowing us to undertake these tasks collectively and collaborate closely on design. This enables us to produce products that are optimized in terms of design, cost, and performance. Additionally, we can incorporate highly demanded technological elements in recent product development, such as position detection, wireless power transmission, signal processing, image recognition, and AI, by leveraging our internal and external networks. 【Features】 - In-house waterproof testing allows for speedy responses (IPX5 and 6 environments available) - Estimation of limit values for waterproof measures is possible - Extensive development track record - Support is available not only for new waterproof designs but also from the intermediate stages of development *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproof sheet
• Emergency alarm system
• Gas leak device

This document provides detailed information about our "Chemical Substance Content Survey Service," which handles the investigation of chemical substances contained in used parts and the creation of environmental data for products. Our company has all the design teams necessary for product development (electrical, mechanical, circuit board, software) in place, allowing us to undertake these tasks collectively and collaborate closely within the company to advance the design. This enables us to optimize products in terms of design, cost, and performance. Additionally, we can incorporate key technological elements that are in high demand in recent product development, such as position detection, wireless power transfer, signal processing, image recognition, and AI, by leveraging our internal and external networks. [Contents] ■ What is a Chemical Substance Content Survey and Environmental Impact Substance Survey? ■ Details of the service ■ Process of the Chemical Substance Content Survey and Environmental Impact Substance Survey ■ Trends in major regulations and service overview *For more details, please refer to the PDF document or feel free to contact us.

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The "Subscription Engineering Service" is a service where design and evaluation tasks that can be handled within a monthly fixed fee are determined through discussions with customers, and deliverables are provided on a monthly basis. This allows for focused discussions on the work content and immediate commencement of tasks. It significantly reduces the effort involved in placing orders and supports timely development for customers. Additionally, development support using our testing equipment (such as waterproof testing machines and simple anechoic chambers) is also available. 【Customer Benefits】 ■ Significant reduction in the effort involved in placing orders ■ A collective effort from various specialized engineers within the company to solve customers' technical challenges ■ Development support using our testing equipment is also available *For more details, please refer to the PDF document or feel free to contact us.

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This document introduces the support provided by Wave Technology Co., Ltd. It includes "Waterproofing Support," which allows for estimating the limits of waterproof measures, as well as "Vibration Testing Support" to address issues caused by vibrations during transportation and operation (actual usage conditions). Please feel free to download and take a look. 【Contents (excerpt)】 ■ Waterproofing Support ■ Temperature Cycle Testing Support ■ Vibration Testing Support ■ Drop and Impact Testing Support ■ EMI Countermeasure Support *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our "Techno-Sherpa." In our "Engineer Training Services," we support the development of practical engineers, including new graduates and non-electrical engineers, with a comprehensive technical education menu. Additionally, in our "Technical Consulting Services," we provide solutions to the technical challenges faced by our customers, including location detection technology, EMC countermeasure considerations, waterproof enclosure design, and thermal/stress simulations. [Engineer Training Services (Excerpt)] ■ Basic Electronics Course PLUS (2-day course) ■ Basic Electronics Course (5-day course) ■ Power Electronics Course ■ Basic EMC Course *For more details, please refer to the PDF materials or feel free to contact us.

• Other Management Services
• Surveying Consulting
• Consulting companies

This document introduces questions and answers regarding measurement and testing. It includes know-how shared by our engineers on topics such as "Instrumentation amplifiers are convenient," "How to measure leakage current," "Effective use of isolation amplifiers," and "Aliasing and Nyquist frequency." It is a book that provides easy-to-understand explanations through characters. 【Contents (excerpt)】 ■#016 Measurement and Testing - Instrumentation amplifiers are convenient (current detection) - ■#017 Measurement and Testing - Instrumentation amplifiers are convenient (micro-signal detection) - ■#018 Measurement and Testing - Instrumentation amplifiers are convenient (can output based on references other than GND) - ■#019 Measurement and Testing - Precautions when using instrumentation amplifiers - ■#020 Measurement and Testing - How do you measure leakage current? - *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

This document introduces questions and answers regarding power supplies. It includes know-how shared by our engineers on topics such as "Power Electronics Design: Switching Devices," "Diode Selection," "IGBT Selection," "MOSFET Selection," "Electrolytic Capacitor Selection," "Film Capacitor Selection," and "Reactor Selection." It is a book that provides easy-to-understand explanations through characters. 【Contents (Excerpt)】 ■#021 Power Supply - Power Electronics Design (Switching Devices) ■#022 Power Supply - Power Electronics Design (Diode Selection) ■#023 Power Supply - Power Electronics Design (IGBT Selection) ■#024 Power Supply - Power Electronics Design (MOSFET Selection) ■#025 Power Supply - Power Electronics Design (Electrolytic Capacitor Selection) *For more details, please refer to the PDF document or feel free to contact us.

• DC Power Supply

We have newly established an on-demand course titled "Learn the Basics of Impedance Matching with Mr. Smith" for those interested in high-frequency analog circuits and beginners in high-frequency topics. An essential tool for designing high-frequency circuits is the Smith chart. This course will help you understand the basics of the Smith chart and learn fundamental concepts of impedance matching using the Smith chart app (Mr. Smith). After 6 hours of study, you will be able to design simple matching circuits. 【Features】 ■ Understand "What is high frequency?" ■ Deepen your understanding of impedance matching ■ Be able to design simple matching circuits using the Smith chart app (Mr. Smith) *For more details, please refer to the PDF document or feel free to contact us.

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This document introduces questions and answers about EMI countermeasure filters. It includes know-how shared by our engineers regarding inductors and capacitors. It is a book that provides easy-to-understand explanations by characters. [Contents] ■#047 EMI Countermeasures - Filters (Inductor Part 1) ■#048 EMI Countermeasures - Filters (Inductor Part 2) ■#052 EMI Countermeasures - Filters (Capacitor Part 1) ■#053 EMI Countermeasures - Filters (Capacitor Part 2) *For more details, please refer to the PDF document or feel free to contact us.

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This document introduces questions and answers regarding common mode in EMI countermeasures. Starting with "What are common mode and normal mode?" it includes insights from our engineers on topics such as "The mechanism of common mode noise generation" and "Countermeasures for common mode noise." It is a book that provides easy-to-understand explanations through characters. 【Contents】 ■#015 EMI Countermeasures - What are common mode and normal mode? ■#028 EMI Countermeasures - The mechanism of common mode noise generation Part 1: Mode conversion ■#029 EMI Countermeasures - The mechanism of common mode noise generation Part 1 ■#033 EMI Countermeasures - The mechanism of common mode noise generation Part 2: Sequel ■#039 EMI Countermeasures - Countermeasures for common mode noise *For more details, please refer to the PDF document or feel free to contact us.

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This document introduces questions and answers regarding EMI countermeasures and bypass capacitors. It includes insights from our engineers on topics such as "A bypass capacitor is not a capacitor," "Larger capacitors can substitute for smaller ones," "The proper placement of bypass capacitors," and "How to enhance the effectiveness of bypass capacitors." It is presented in a way that is easy to understand, featuring character illustrations. 【Contents】 ■#010 EMI Countermeasures – A Bypass Capacitor is Not a Capacitor?? ■#011 EMI Countermeasures – Can a Large Bypass Capacitor Substitute for a Small One?? ■#012 EMI Countermeasures – There are Proper Techniques for Bypass Capacitor Placement ■#013 EMI Countermeasures – Beware of Capacitance Variability with Bypass Capacitors ■#014 EMI Countermeasures – Want to Enhance the Effectiveness of Bypass Capacitors? Here Comes Mr. R! *For more details, please refer to the PDF document or feel free to contact us.

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