Wave Technology List of Products and Services

★★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 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★★ 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★★ 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 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★★ 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 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★★ 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 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

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.

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• Parts and Materials

★★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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★★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 the multi-channelization of automatic measurement. "Multi-channelization" refers to the process of enabling a measurement device that originally has only one channel to measure multiple points with a single trigger by continuing the switch circuit. With multi-channelization, challenges such as "wanting to automatically measure a large number of samples at once" and "unable to perform automatic measurement due to the need to switch connections" can be resolved. For more details, please take a moment to read through it. 【Contents】 ■ Multi-channelization of automatic measurement ■ Principles of multi-channel automatic measurement ■ Points to note for multi-channel automatic measurement ■ Conclusion *For more information, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the examination of microcurrent measuring devices. Previously, I created a microcurrent measuring device for work. There are various methods for measuring microcurrents, but the method used this time is called the "feedback method." I will explain the basic circuit of this method. For more details, please be sure to read on. 【Contents】 ■ Target performance of microcurrent measuring devices ■ Basic principles of microcurrent measurement ■ Determining the measurement range ■ Selection of OP amplifiers ■ Phase compensation capacitors ■ Conclusion *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

We would like to introduce our "Wireless Power Transmission Demo Unit." A brightness sensor, temperature sensor, and receiving circuit are installed on a rotating table, allowing for wireless power transmission from the power transmission circuit to the receiving circuit. The power transmission circuit collects sensor information simultaneously with wireless power transmission. The sensors can be replaced with various types, making it possible to install them in locations where it was previously not feasible. 【Features】 ■ Brightness sensor, temperature sensor, and receiving circuit installed on a rotating table ■ Wireless power transmission from the power transmission circuit to the receiving circuit ■ Activation of each sensor connected to the receiving circuit ■ The power transmission circuit collects sensor information simultaneously with wireless power transmission ■ Monitor sensor information on a PC *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 "High-Frequency Power Board." Using our wireless power evaluation high-frequency power board and reference antenna, you can confirm the operation of wireless power transmission. The high-frequency power board can output up to 50W, and with the reference antenna, it can operate with a load of up to 35W at a power transmission distance of 40mm. We can accommodate custom antenna designs according to your needs, so please feel free to contact us when you require assistance. 【Features】 ■ Uses our wireless power evaluation high-frequency power board and reference antenna ■ High-frequency power board can output up to 50W ■ Reference antenna can operate with a load of up to 35W at a power transmission distance of 40mm ■ Operates LED tape (12V) and fan (5V) as loads ■ The output start switch allows you to toggle the LED and fan On/Off by waving your hand *For more details, please refer to the PDF document or feel free to contact us.

• Other Software

We would like to introduce our "Wireless Power Transfer Demo Unit." The receiving circuit is installed underwater, and wireless power is transmitted through glass from the power transmission circuit to the receiving circuit. The power transmission circuit collects sensor information simultaneously with wireless power transfer. This can be applied to monitor the vacuum level in a vacuum chamber, as well as the temperature inside a constant temperature bath. 【Features】 ■ Receiving circuit installed underwater ■ Wireless power transfer through glass from the power transmission circuit to the receiving circuit ■ Water temperature measured with a temperature sensor mounted on the receiving circuit ■ Power transmission circuit collects sensor information simultaneously with wireless power transfer ■ Monitored temperature displayed on a PC ■ Receiving circuit can be individually recognized by ID *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★★ In recent years, while products have been miniaturizing, thermal issues have continued to worsen, and we have seen an increasing trend in inquiries from customers regarding thermal analysis. The inquiries cover a variety of topics, but in this report, we will briefly explain the thermal resistance of semiconductors, which is essential for thermal analysis. For more details, please take a moment to read through it. 【Contents】 ■Typical thermal resistances and their formulas *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 daily life, we don't often think about it, but when the temperature of an object changes, thermal expansion and contraction occur. The magnitude of this expansion and contraction varies depending on the properties of each material (coefficient of linear expansion). In this report, we will discuss the thermal stress that arises from this thermal expansion and contraction. For more details, please take a moment to read through it. 【Contents】 ■ Simple thermal warping calculation tool for laminated boards *For more information, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Can Benefit From★★ The most challenging aspect I encountered while developing programs was the implementation of algorithms. There are many interesting algorithms, and recently I had the opportunity to explore Q-Learning, which is a type of reinforcement learning related to machine learning. I created a program (Cheese Puzzle Simulator) to demonstrate it. Q-Learning is one of the algorithms in reinforcement learning and is utilized in various fields, from autonomous driving to fintech. In this report, I would like to briefly introduce the Q-Learning algorithm. For more details, please feel free to read on. 【Contents】 ■Challenges ■Explanations *For more information, please refer to the PDF document or feel free to contact us.*

• others
• Other Software

★★Shirutoku Report: Useful Information You Should Know★★ When you want to "check characteristics while changing a certain parameter," "automatic measurement" is very convenient. In this report, I would like to briefly explain how to perform "instrument control" necessary for automatic measurement. For more details, please be sure to read on. 【Contents】 ■ Automatic Measurement / Step 1: Connect PC and Instrument ■ Automatic Measurement / Step 2: Prepare Control Library ■ Automatic Measurement / Step 3: Send Commands to Control the Instrument ■ Common Commands *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

★★Shirutoku Report: Useful Information You Should Know★★ Suddenly, do you all know about "reliability testing"? In brief, it is a collective term for various tests that evaluate the reliability (performance, durability, safety, failure rate, etc.) of a product. The main objectives are to confirm whether the performance meets the design specifications and to assess whether it meets market quality requirements. In this report, we will introduce one of the durability tests for power devices, known as the "power cycle test." For more details, please take a moment to read on. 【Contents】 ■ Short Power Cycle Test (Reference: JEITA-ED-4701/601 602) ■ Long Power Cycle Test (Reference: JEITA-ED-4701/603) *For more information, please refer to the PDF document or feel free to contact us.

• Other services and technologies

★★Shirutoku Report: Useful Information You Can Benefit From★★ I mainly design matching circuits for high-frequency power amplifiers used in commercial radio equipment. In this report, I will share my experiences regarding the discontinuation of capacitors (EOL: End Of Life). For more details, please take a moment to read through it. [Contents] ■ Recent EOL Situation ■ Alternative Capacitors May Cause Performance Issues!? *For more information, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Can Benefit From★★ How do you compile reports from data collected from various measuring instruments during evaluation analysis? Many of you might be manually and patiently rearranging data or creating graphs. When the volume becomes enormous, it can take a lot of time and be very inefficient. If there are mistakes, you might have to start all over again. It would be great to have something that anyone can use, doesn’t take much time, and doesn’t lead to errors. That’s why we want to introduce our company’s 'Data Analysis Tool.' For more details, please take a moment to read on. [Contents] ■ Data Analysis Tool provided by Wave Technology *For more information, please refer to the PDF materials or feel free to contact us.*

• Other measuring instruments
• Other analytical equipment

★★Shirutoku Report: Useful Information You Can Benefit From★★ The "Custom Measurement Service" is a service that provides the functions required in your research and development environment in the form of a tailor-made "Custom Measurement System." Are you thinking, "But a tailor-made solution seems too high-end..."? At WTI, we can relatively easily build a system by combining it with existing equipment in collaboration with partner companies. In this report, we will introduce this service based on case studies. Please take a moment to read for more details. [Contents] ■ Case Study: Partner Company A *For more details, please refer to the PDF document or feel free to contact us.*

• Measurement and Inspection
• Other services and technologies

★★Shirutoku Report: Useful Information You Should Know★★ In the Structural Design Department, our main tasks include "structural design of metal and plastic enclosures using CAD" and "front-loading development using thermal fluid simulation/structural simulation technologies." *There are various names for this, including structural analysis, structural CAE, stress analysis, and FEM analysis.* In this report, we will briefly introduce our efforts in structural simulation, followed by a discussion on the analysis of rubber products (which play a role in waterproof design, among others). For more details, please take a moment to read through it. [Contents] ■ Efforts in Structural Simulation ■ Analysis of Rubber Products (which play a role in waterproof design, among others) *For more information, please refer to the PDF document or feel free to contact us.*

• Measurement and Inspection
• Scientific Calculation and Simulation Software

★★Shirutoku Report: Useful Information You Should Know★★ What kind of measuring instruments do you use when evaluating the electrical characteristics of semiconductors like MOSFETs and bipolar transistors? While there are dedicated testers, curve tracers that allow for easy evaluation are also convenient, right? However, when using a curve tracer, have you ever thought, "There are so many evaluation items, it's a hassle to operate manually..." or "There are so many evaluations, it would be great if it could be operated more easily..."? If these needs can be met, you would be freed from the enormous evaluation time. Therefore, we would like to introduce the 'Automatic Measurement System for Curve Tracers.' For more details, please take a moment to read on. [Contents] ■ Automatic Measurement System for Curve Tracers *For more information, please refer to the PDF document or feel free to contact us.

• Measurement and Inspection
• Other measuring instruments

We offer a "Disassembly Investigation Report" (Reverse Engineering Report) that combines our unique perspective and research expertise. Our investigation goes beyond just disassembly, BOM creation, and circuit diagramming; we also delve into the characteristics of the target product (electrical characteristics, temperature rise). Our engineers, who have extensive experience in the field of reverse engineering, report from a unique designer's perspective. *The price for the report starts at ¥198,000. Please contact us for more details. 【Features】 ■ Combines unique perspectives and research expertise ■ Options for partial report sales and comparison reports for two models available upon request ■ Our engineers, with rich experience, report from a unique designer's perspective ■ Investigation goes beyond disassembly, BOM creation, and circuit diagramming to include the characteristics of the target product (electrical characteristics, temperature rise) *For more details, please refer to the PDF document or feel free to contact us.

• Structural Survey

★★Shirutoku Report: Useful Information You Should Know★★ Creating IoT devices with wireless communication capabilities from scratch presents several technically challenging issues. As a means to more easily achieve wireless communication functionality, one option is to mount a wireless module onto a circuit board. In this report, we will introduce wireless modules. For more details, please take a moment to read through it. [Contents] ■ What is a Wireless Module *For more information, please refer to the PDF document or feel free to contact us.*

• IoT
• Other Software

★★Shirutoku Report: Useful Information You Can Benefit From★★ We mainly engage in the design of enclosures for outdoor products. Through this work, we often hear customers say, "It's hot, what should I do?" In this report, we will answer what to do in such cases. For more details, please take a moment to read. 【Contents】 ■The answer is "Just cool it down." *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★★ The power supply circuits handled by the Power Supply Design Department come in various circuit configurations, but they can largely be classified as switching power supplies. In this report, we will discuss the characteristics of switching power supplies. For more details, please take a moment to read through it. 【Contents】 ■ Advantages ■ Disadvantages *For more information, please refer to the PDF document or feel free to contact us.*

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★★Shirutoku Report: Useful Information You Can Benefit From★★ The Software Design Department creates a lot of embedded software to control dedicated circuit boards. In this report, I will discuss the key points to consider when creating embedded software. The key point when creating embedded software is to ensure real-time performance: "Create it to flow continuously." For more details, please take a moment to read through it. [Contents] ■ Key Points When Creating Embedded Software *For more information, please refer to the PDF document or feel free to contact us.*

• Other Software

★★Shirutoku Report: Useful Information You Can Benefit From★★ In this report, we will discuss the key points when creating embedded software (firmware), specifically about ensuring real-time performance: "Creating it to flow continuously." At WTI, we receive numerous requests for embedded software development from our customers, and we develop with a focus on reliability and quality, including the principle of "flowing continuously." If you are having trouble with software development, please contact WTI. [Contents] ■ Busy Signal ■ Sequential Operation ■ Post-Change Flow *For more details, please refer to the PDF document or feel free to contact us.

• Other Software

★★Shirutoku Report: Useful Information You Should Know★★ When developing a new product, many people have likely experienced the dilemma of whether to use a microcontroller or an FPGA for processing. Additionally, a common conversation is whether to process with software or hardware. In this report, we will discuss the key points of system design. For more details, please take a moment to read through it. [Contents] ■ Efficiency in System Design ■ Image of Processing Speed *For more information, please refer to the PDF document or feel free to contact us.*

• Other Software

★★Shirutoku Report: Useful Information You Should Know★★ When evaluating power supplies, you may have experienced "oscillation at low temperatures!" In such cases, it is necessary to diagnose the frequency characteristics of the power supply more quantitatively and implement countermeasures. This report explains the performance of power supplies using diagrams and graphs, without using mathematical formulas, to provide a conceptual understanding. We encourage you to read it. [Contents] ■ Negative Feedback Circuit ■ Bode Plot (Gain Plot, Phase Plot) *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 explains the important Ioff function during partial power down. "Partial" means "some" or "partial," and partial power down refers to a state where power is turned off partially. During partial power down, it is necessary to be cautious during design, as there will be a mix of circuit blocks that are powered on and those that are powered off. 【Contents】 ■ Precautions during partial power down ■ Support for partial power down in external interfaces ■ Pull-up resistors *For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies

★★Useful Information Report: Knowledge is Beneficial★★ This report introduces representative methods of isolated switching power supplies that use transformers among the circuit configurations of switching power supplies. It includes circuit diagrams and features of the Forward method, Flyback method, Push-Pull method, and Full Bridge method. Please take a moment to read it. [Contents] ■ Forward Method ■ Flyback Method ■ Push-Pull Method ■ Full Bridge Method *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★★ Feedback refers to the process of "returning" or "reverting," where output is fed back to the input side to control the output in accordance with the target. This report explains feedback control, which is closely related to power circuits, and open-loop control. Power circuits can experience significant changes in characteristics when various external loads are connected or when the input voltage fluctuates greatly, making feedback control very important. [Contents] ■ Open-loop Control ■ Feedback Control *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★★ A power conditioner (power con) is an inverter device that converts renewable energy, such as solar power, into commercial alternating current used in homes. This report includes evaluations of certification tests for developed products, performance evaluations of products, and system tests of products related to power con evaluation. Additionally, we also introduce the "lightning surge test," which applies a voltage equivalent to lightning to confirm durability. We encourage you to read it. 【Contents】 ■ Certification test evaluation of developed products ■ Performance evaluation of products ■ System tests of products ■ Information on lightning surge tests *For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies
• Lightning protection

★★Shirutoku Report: Useful Information You Should Know★★ Phase compensation in power circuits refers to the technology that controls the phase shifts caused by the numerous capacitors (C) and inductors (L) implemented on the power supply board, ensuring stable operation of the circuit. In this report, we will introduce examples of voltage and current phases, as well as the transfer function of feedback circuits, using diagrams. If the phase remains shifted, the control to lower the output voltage may conversely be transmitted, potentially causing the output voltage to rise indefinitely and lead to oscillation. We encourage you to read on. 【Contents (Excerpt)】 ■ Voltage and Current Phases ■ An Example of the Transfer Function of Feedback Circuits ■ Stability Confirmation Using Board Wiring ■ Changes in Board Bode Plots with Phase Compensation *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★★ The avalanche rating measured in avalanche testing refers to the amount of energy that a power device can withstand before it begins to conduct current rapidly and ultimately fails when a voltage exceeding its breakdown voltage is applied. This report explains avalanche breakdown and UIS test circuits and waveforms using diagrams. To verify whether there are any issues in the event that the device enters avalanche mode, it is necessary to investigate the avalanche rating of power MOSFETs when designing power electronics circuits. [Contents] ■ Image of avalanche breakdown ■ Test circuit and waveform for measuring avalanche rating *For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies

★★Shirutoku Report: Useful Information You Can Benefit From★★ This report is a continuation of the discussion on the avalanche rating tests of MOSFETs mentioned in Shirutoku Report No. 52. It explains the relationship between the transient thermal resistance of the device and the loss and time during avalanche operation using diagrams and graphs. When selecting a device, it is not very meaningful to compare devices measured under different conditions. It is recommended to measure in an environment as close to actual operation as possible, rather than relying solely on data sheet values. 【Contents】 ■ Transient thermal resistance of the device ■ Relationship between loss and time during avalanche operation ■ Graph of Tj and time *For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies

★★Shiruto Report: Useful Information You Can Benefit From★★ This report introduces systems compatible with storage batteries. Using solar power generation as an example, we explain the combinations of system operations over the course of a day. By setting the operating modes for each product, we can explore various conditions under which the storage battery charges/discharges, whether it operates when buying (selling) from the grid, and more. 【Contents】 ■ Storage Battery Compatible Systems ・Nighttime ・Morning (Evening) ・Daytime *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★★ In recent years, the rapid increase in solar power generation has disrupted the balance between supply and demand, raising concerns that supply (generation) may exceed demand. This report covers the output control function. When electricity supply is expected to exceed demand, power companies need to reduce the generation of renewable energy. 【Contents】 ■ What is the output control function? ■ Mechanism of the output control function - Information is registered on servers owned by each power company - Communication devices access the power company's server to obtain information - Information is sent to the power converter for control ■ Evaluation of the output control function *For more details, please refer to the PDF document or feel free to contact us.*

• Other power generation
• Other services and technologies

★★Shirutoku Report: Useful Information You Should Know★★ This report focuses on circuit verification using "SPICE," which allows for various validations. Using a filter as an example, we will present a verification designed to reduce the number of components by modifying the configuration, ensuring that the attenuation characteristics match at 10MHz, illustrated with diagrams. Our company also conducts validity checks of designs through simulations based on customer requests. We encourage you to read on. 【Contents】 ■ Examples of circuit verification using SPICE ■ One-point advice ■ Meaning of commands *For more details, please refer to the PDF document or feel free to contact us.*

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