東和電子 List of Products and Services

For more details, please refer to the PDF document or feel free to contact us.

• Embedded OS

We respond to inquiries from those who are having trouble with the design of printed circuit boards. For those who are "struggling with macro creation," we can create macros and also provide support for CAD systems. We can also assist with inquiries such as "I can't prepare a netlist because the circuit diagram is hand-drawn" by handling everything from CAD input to net output. Please feel free to consult with us. 【Features】 ■ Support for macro creation and CAD systems ■ From CAD input to net output ■ Proposals for designs that balance productivity, cost, and performance *For more details, please refer to the PDF materials or feel free to contact us.

• Printed Circuit Board

Our company develops its business based on four pillars: circuit design, PCB design, simulation, and PCB manufacturing and component assembly. We cover the core areas of manufacturing and provide total solutions. We are also open to consultations regarding special assemblies and will propose methods for addressing them. We can handle two-layer assemblies such as conversion PCBs, raised PCB assemblies, changing wiring without altering the mother board for BGA, and situations where certain components require specific heights. Additionally, we conduct rework support and assembly defect analysis. [Features] ■ Support for special assemblies ■ Capability for ultra-small PCB assemblies ■ Rework support and assembly defect analysis *For more details, please refer to the PDF materials or feel free to contact us.

• Printed Circuit Board

We respond to customer requirements such as cost and delivery time through collaboration with substrate manufacturing and component assembly manufacturers. We can accommodate small lot sizes, so please feel free to consult with us. In substrate manufacturing, we select suitable substrate manufacturers based on cost and delivery time. We can handle various substrates, including special processing and materials. 【Features】 ■ Responds to requests regarding cost and delivery time ■ Small lot sizes available ■ Accommodates various substrates, including special processing and materials *For more details, please refer to the PDF document or feel free to contact us.

• Printed Circuit Board

We conduct simulation analysis using Hyper Lynx SI (Signal Integrity). We compile component selection and simulation results into a report for proposals. We respond to customer requests in various ways, such as analyzing propagation delay and overshoot/undershoot in waveform reflections, and analyzing the levels of noise received from and given to adjacent signals. 【Simulation Analysis】 ■ Reflection: Analysis of propagation delay and overshoot/undershoot in waveform reflections ■ Crosstalk: Analysis of noise levels received from and given to adjacent signals ■ S-Parameters: Verification of losses at operating frequencies using the S-parameters of transmission lines ■ EYE Pattern: Checking the opening of the EYE ■ Timing: Verification that propagation delay does not pose timing issues *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services

Our company specializes in high-speed interface design that integrates analog design cultivated in home audio with simulation. Additionally, we propose layouts from the perspective of circuit board manufacturing and component placement. Product design team members provide advice on proper placement and wiring from the viewpoint of circuit designers. A dedicated staff manages macro creation and maintenance, building a footprint library of over 10,000 types. 【PCB Design Achievements】 ■ Analog - Home Audio - Car Audio / Car Navigation - Electronic Instruments ■ High-Speed Interfaces - PCI Express, USB, LVDS/SLVS - Serial ATA, Rapid IO - DDR/SDRAM, DVI/HDMI - MIPI, DIMM, MIPI ■ Power Circuits, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Printed Circuit Board

Our company develops its business based on four pillars: circuit design, PCB design, simulation, and PCB manufacturing and component assembly. We cover the core areas of manufacturing and provide total solutions. In our product design (electronic circuit design and embedded software development), veteran designers assist you with your circuit design and software design. "If I want to create such a product, but I don't know how to make it." "I am designing this part for the first time, and there are no engineers in-house who can design it." "We have hardware designers, but we don't have software designers." "I don't know what to pay attention to when designing for mass production for the first time." For those of you facing such concerns, veteran designers who have been involved in research and development and mass production design at major electronics manufacturers will assist you with part or all of your product development. *For more details, please refer to the PDF document or feel free to contact us.

• Embedded system design service

Our company develops its business based on four pillars: circuit design, PCB design, simulation, and PCB manufacturing and component assembly. We cover the core areas of manufacturing and provide total solutions. In our product design (contract design business), we offer solutions and system proposals for realization, and create demo units and sample sets. After compiling the requirements for mass production, we proceed with design and implementation. We also support the strengthening of business needs, providing ideas and improvement proposals, performance enhancements, cost reductions, process improvements, and support for hardware and software design. We are flexible in accommodating contract design for hardware only or software only. 【Design Examples】 ■ Contract Models: Audio products (amplifiers, CD players, radios, changers, etc.), systems for broadcasting stations, health equipment controllers, and more. ■ Software Design - Languages: C, Assembly - Major Microcontrollers: RENESAS (M16C, RL78), TI (MSP430), Microchip (PIC), and others. *For more details, please refer to the PDF materials or feel free to contact us.

• Embedded system design service

The issue of non-radiation is related to human life. At Towa Electronics, we create high-quality PCBs for EMC by conducting rule checks based on effective results to suppress EMC. 【EMC Check Items】 1: Wiring Length Check - EMC Simulation 2: Wiring Via Count Check 3: Board Edge Wiring Check 4: GV Plane Crossing Check 5: Return Current Path Discontinuity Check 6: Shield GND Presence Check 7: Radiated Electric Field Check 8: Shield GND Via Spacing Check 9: Decoupling Capacitor Check 10: Plane Perimeter Via Check 11: Filter Check 12: Differential Signal Check 13: Crosstalk Check

• Circuit board design and manufacturing

When the switching current that changes instantaneously increases, the power supply voltage and ground fluctuate due to the impedance of the power supply. At Towa Electronics, we reduce the impedance of the power plane during the component placement stage to ensure stable operation of the LSI. At Towa Electronics, we can provide total product development services, not only in circuit design and software design but also from substrate design based on that design to component procurement and assembly. For more details, please feel free to contact us.

• Circuit board design and manufacturing

The high-speed transmission signals are significantly affected by the wiring. We conduct simulations from the pre-wiring stage to ensure the LSI operates reliably. At Towa Electronics, we offer total product development services, not only in circuit design and software design but also in PCB design based on those designs, component procurement, and assembly. For more details, please feel free to contact us.

• Circuit board design and manufacturing

Veteran designers will assist you with your circuit design and software design. "I want to create a product like this, but I don't know how to make it." "This part is my first time designing, so there are no engineers in-house who can design it." "We have hardware designers, but we don't have software designers." "This is my first mass production design, so I don't know what to pay attention to during the design process." At Towa Electronics, veteran designers who have been involved in research and development and mass production design at major electronics manufacturers for many years will assist you with part or all of your product development if you have such concerns. Additionally, if requested, we can provide total product development services, not only for circuit design and software design but also for PCB design based on that design, component procurement, and assembly.

• Circuit board design and manufacturing

Towa Electronics, as a professional design engineering group, has adopted the fundamental principles of "Customer First," "Quality," "Speed," "Responsibility," and "Challenge." Leveraging years of experience in analog design cultivated in home audio and high-speed interface design integrated with simulation, we have played a significant role in the manufacturing of electronic and electrical devices. Using CR5000's BoardDesigner (BD) as our main CAD tool, we focus our operations on the pattern design of printed circuit boards. We handle everything from circuit design in-house to collaboration with partner manufacturers for board production, component procurement, and component assembly. To improve board quality, we have implemented simulation tools, utilizing HyperLynx for signal analysis, DEMITASNX, and PIStream for power analysis. This enables us to achieve high-quality board designs that do not produce noise, are resistant to noise, and ensure sufficient timing margins. Moving forward, we will strengthen our technical and business capabilities as professionals in board design, not only by introducing new technologies and reducing sizes but also by responding to various customer demands such as delivery times and cost reductions. It is our mission to contribute to development and design activities.

• Printed Circuit Board

Towa Electronics develops its business based on four pillars: printed circuit board design, microcontroller software design, application software design, and electrical circuit design. One of the key factors determining the sound quality of audio equipment is "printed circuit board pattern design." We can handle digital design using CR5000BD or PWS, as well as various simulations, and we excel in analog circuit board design. We respond to advanced demands such as wanting to make circuit boards smaller or implementing noise countermeasures for various home appliances, industrial machinery, and office automation equipment. 【Features】 ■ Digital circuit board design using CR5000BD and PWS - We conduct SI simulations considering high-speed signals of various digital devices. ■ Analog circuit board design - We can provide meticulous designs suitable for the application based on our extensive experience. *For more details, please refer to the PDF materials or feel free to contact us.

• Circuit board design and manufacturing

Towa Electronics develops its business based on four pillars: printed circuit board design, microcontroller software design, application software design, and electrical circuit design. Various home appliances are equipped with built-in microcontrollers, which generally play a crucial role in determining the functionality and operability of products, commonly referred to as embedded microcontrollers. In a sense, we are the "unsung heroes" of software development, which is our area of expertise. [Main Development Products] ■ Audio products (consumer and professional) ■ Systems for broadcasting stations ■ Video cameras ■ Contactless IC cards ■ Semiconductor verification systems ■ Health equipment controllers, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Embedded OS