Industrial sector

Innovative solutions to PCB design challenges

Electronics development is becoming increasingly complex, placing growing demands on engineers. In this overview, we highlight typical challenges in modern PCB design and show you how to overcome them – from the initial concept to the first PCB prototype.

7 minutes to read
With insights from...

In the fast-paced world of electronics, efficient management of the entire development process is critical to delivering successful projects. The journey from initial PCB concept to finished product requires in-depth technical knowledge and interdisciplinary expertise. This is where the foundations for innovative products and rapid time-to-market are laid.
This article explores key areas of PCB development and addresses the most common pitfalls. We illustrate how our team navigates these challenges to bring your ideas to life – efficiently and reliably.

1. Design and development – from concept to optimal layout

A well-thought-out design concept is the backbone of every successful electronics project. But how can complex requirements, limited space, and high-speed applications be implemented effectively? Zühlke employs a combination of advanced technologies and proven methods to create designs that meet demanding specifications while remaining efficient and future-ready.

A reliable PCB layout tool

Complex electronics projects require robust PCB layouts that function reliably in real-world conditions. Using professional tools such as Altium Designer, Zühlke is able to develop intricate layouts that are also transparent and interactive. This web-based platform enhances collaboration by allowing all stakeholders to track changes in real time. This reduces delays and misunderstandings, and, through agile, coordinated teamwork, accelerates the development cycle.

High-speed designs – the foundation for reliable signal transmission

High-speed interfaces such as SATA, USB and PCI Express impose specific demands on PCB design. To ensure reliable signal transmission, signal paths need to be precisely planned and optimised. This is particularly important when you need to transmit high data rates without signal loss or distortion. Implementing this sort of design in practice requires detailed calculations and careful board layout. Signal and power integrity simulations are vital. These simulations allow potential interferences to be identified at an early stage and signal paths to be optimised to ensure that transmission remains stable even at very high data rates. Modern tools such as the Ansys toolchain enable precise analysis of signal and power integrity, ensuring designs meet the highest standards.
Precise implementation is essential, particularly when integrating high-speed interfaces into electronic devices. Transmitting signals with minimal loss and without distortion requires thorough planning and simulation and is the foundation for reliable functionality in modern devices.

Space constraints? No problem – innovative HDI design solutions

Compact designs that integrate numerous functions into the smallest possible space are one of the biggest challenges in modern PCB design. Devices which need to deliver high performance in a confined space require innovative approaches. High-density interconnect (HDI) PCBs are the perfect solution. By using blind, buried, and micro vias, and optimised layer structures, even the most demanding spatial requirements can be met – without compromising performance.
HDI PCBs enable high component density on a small footprint. Precise placement and connection of components on the board is key to achieving maximum packing density. Blind, buried, and micro vias create connections across different layers of the board, enabling it to be made as compact and powerful as possible. This technique is particularly valuable in devices where every millimetre counts.

Implementing designs involving specialist PCB technologies – flexibility, durability and performance

For some applications, you need PCBs that can withstand extreme conditions or which have specific properties such as flexibility or heat dissipation. Using technologies such as rigid-flex, flex and metal-core PCBs enables reliable solutions to be developed for a wide range of technical challenges. By carefully selecting and optimising the appropriate PCB technology, Zühlke develops robust, long-lasting solutions tailored to specific areas of application.

2. Review and optimisation – avoiding errors, improving quality

The moment when a finished design reveals serious issues – especially once the validation phase has begun – can be frustrating. Common causes include undetected design errors, EMC problems, and layouts that are not optimised for manufacturing. This is where we apply a structured review and optimisation process.

Hidden errors in the PCB layout

A PCB design that enters the validation phase without thorough review carries significant risk. Errors are often discovered too late and lead to expensive and time-consuming redesigns. Early, continuous layout review helps identify and prevent EMC problems, ensuring that your design is both technically sound and complies with regulatory requirements.

""

Detecting schematic errors early

Critical errors often creep in at the schematic level and can later cause considerable delays. Careful checking of the schematic ensures that issues are resolved at an early stage. This saves time and reduces the likelihood of changes further down the line disrupting the development process or increasing costs.

Manufacturing problems due to failure to design for manufacturing (DFM)

A design that’s not optimised for production can lead to unexpected manufacturing issues and increased costs. Using a design for manufacturing (DFM) approach enables potential stumbling blocks to be identified early on. This includes aligning the design with PCB manufacturing capabilities and identifying areas that could impact production costs. The result is a design that can be manufactured smoothly and with no unpleasant surprises.

3. Procurement and production: from design to prototype

The finished PCB design is just the first step – fast prototyping and knowledge of production requirements are essential for turning your ideas into reality quickly. Delays at this stage can waste valuable time and resources. We offer coordinated solutions that efficiently connect logistics, manufacturing, and testing.

Procurement of components and PCBs

When time is short, component and PCB procurement needs to be carefully planned. Smooth logistics saves valuable time and ensures that all components are available on schedule. This enables reliable project execution and helps avoid bottlenecks.

Accelerating prototype production

In the critical development phase, a fast assembly process is vital. To enable early testing you need to be able to produce small and medium-sized production batches quickly. Zühlke operates an in-house production facility that allows prototypes to be built and tested for functionality rapidly.

Comprehensive prototype testing

Prototypes don’t just need to be assembled – they need to be thoroughly tested. Detailed testing and validation ensures that no errors are carried over into subsequent development stages. EMC tests and precise validation measurements help identify issues early on for immediate resolution – without the need for external interfaces. If a fault is detected, corrective actions can be taken straight away and measurements repeated. Our processes are designed to allow us to perform a wide range of tests in-house. This ensures that sensitive information about your project remains within the company and is not shared with external providers.

4. Custom solutions: Tailored support for your projects

Every electronics project presents unique challenges – from adapting existing designs to ensuring the long-term availability of components. When standard solutions no longer suffice, customised approaches are needed to keep projects moving flexibly and efficiently. With targeted support and clearly defined processes, problems can be resolved quickly, allowing you to focus on what really matters – the success of your product.

Redesigning existing products

If critical components are no longer unavailable, you can no longer continue with your existing production process. Selectively redesigning the existing product provides a solution. New components are carefully evaluated and lifecycle analysis carried out to evaluate the long-term availability of the selected components. This ensures that your product remains viable and competitive going forward.

""

Support for existing designs

Often an electronics project is already well advanced, but you don’t have the resources or expertise to take the next step. Our team offers flexible support using your existing toolchain, helping you avoid delays and seamlessly continue your project.

Ageing components jeopardise the product lifecycle

Sustainable product management means that you need visibility with respect to the availability of the components used in your product. Proactive obsolescence management enables critical components to be identified at an early stage. Alternatives and design changes can then be planned in good time, reducing the risk of production downtimes.

Migrating to modern design tools

Sometimes existing designs were created using outdated tools that no longer meet current requirements. Migrating to, for example, Altium Designer provides you with access to enhanced features and improves design efficiency – and without jeopardising the original project.

Lack of consistency in the component library

Incomplete or inconsistent component libraries can significantly slow the design process. A well-maintained, standardised library ensures that designs are consistent and facilitates component re-use – in the long run saving time and resources.

Electronics development presents numerous challenges – from precise PCB design to thorough reviews and fast production, all the way to tailored solutions. Whether it’s high-speed design, manufacturing optimisation, or adapting existing products, the right approach enables errors to be avoided, saves time, and enables successful delivery of projects.

We don’t just offer technical excellence, we also possess the flexibility and agility required to succeed in today’s fast-moving electronics industry. Trust our expertise and experience to turn your ideas into high-quality, reliable products.

Discuss your electronics development challenges with us – together we’ll find the right solution for your project.

Contact person for Switzerland

Michael Hediger

Lead Project Manager

Michael Hediger is System Engineering (Technical Lead) and since May 2013 at Zühlke. He is Dipl. Ing. FH in Mechatronik. His main area of expertise includes production-suited productsdesignes (Design for Manufacturing). He worked mainly for sensors- and Optics-Development.

Contact
Thank you for your message.