Blog - JLCPCB
PCB Impedance Control: Ensuring Signal Integrity in High-Frequency Circuits
Impedance measures the opposition of an electric circuit when alternating current is applied to it. It is the combination of the capacitance and the induction of an electric circuit at high frequency. Impedance is measured in Ohms, similar to resistance. If the impedances are different, reflections and attenuation occur that deteriorate the signal. For high-frequency analog or digital circuits, it is essential to protect the signals that propagate on the PCB from being damaged. In fact, signals above ......
Sept 20, 2024
Design Guidelines for PCB Using FR4 Substrates
Material substrate concerns are necessary while designing electrical circuit boards. This is due to the fact that printed circuit boards cannot be manufactured without the appropriate PCB materials. When developing and producing circuit boards, the substrate material must be taken into account just as much as the copper layers, silkscreen, and surface polish. Generally speaking, non-conductive materials like porcelain, Marlon, FR4, and the like must be used for PCB substrates. Depending on its intende......
July 24, 2025
A Beginners Guide to Impedance Control in PCB Design
When a digital signal is transmitted from one point to another, it causes a change in the state of the signal line. This change can be understood as an electromagnetic wave moving through the circuit. Reflection occurs when this wave encounters a boundary between different mediums. At this boundary, some of the wave's energy continues as a signal, while the rest is reflected. This process repeats until the energy is either absorbed by the circuit or dissipated into the environment. For electrical engi......
July 10, 2025
PCB Design Guidelines 101: Placement and Routing
Welcome to the second article in our PCB design guidelines series. In this article, we will explore the essential PCB design guidelines that are crucial for achieving optimal PCB design performance and functionality. Whether you're an electronics enthusiast, hobbyist, engineer, student, or professional in the field, understanding these guidelines will empower you to create high-quality PCB designs. In this article we will explore foundational principles and best practices in designing printed circuit ......
June 19, 2025
Design Guidelines for better EMC Standards
EMC is a measure of a device's ability to operate as intended in its shared operating environment while, at the same time, not affecting the ability of other equipment within the same environment to operate as intended. Evaluating how a device will react when exposed to electromagnetic energy is one component of this, known as immunity (or susceptibility) testing. Measuring the amount of EMI generated by the device’s internal electrical systems – a process known as emissions testing – is another. Both......
June 12, 2025
Common Defects in Copper Clad PCBs and How to Avoid Them
Usually all the PCBs, means all of them use CCL(copper clad laminates). It supplies the conductive layer needed to make a circuit work properly. Manufacturers and designers can improve controls and preventative measures by having a better understanding of these flaws and their causes. Copper-clad PCB flaws can impair electrical performance and cause electronic devices to break too soon. The most prevalent copper-clad PCB flaws are examined in this article along with preventative measures. What is a Co......
July 19, 2025
Types of Drill used in PCB Board Manufacturing
The most costly and time-consuming step in the production of circuit boards is drilling. This is due to the fact that the procedure needs to be followed precisely in order to guarantee the greatest quality levels. A manual or laser PCB drill is typically used for different cut outs. They can either be outline, holes or may be PCB internal cut out shape. In the production of PCBs, drilling is essential. Bad electrical connections or even a board breakdown might result from poorly drilled holes. High-pr......
July 18, 2025
Quality Control and Testing in Bare Board Manufacturing
Bare printed circuit boards, or PCBs, are the foundation of almost all electronic devices made today, from computers and cellphones to industrial control systems and aeronautical electronics. Quality control and testing in bare board manufacturing have grown more important since these applications require more dependability. Defects at the PCB level might cause even the most sophisticated circuit designs to fail in the absence of adequate quality assurance. In order to guarantee long-term performance ......
July 18, 2025
7 Must-Know Tips for Choosing the Right Flex PCB Supplier
Flexible PCBs provide immense design and engineering benefits thanks to their versatility. But to maximize their value, having the right manufacturing partner makes all the difference. Choose wisely, and you will be well-positioned to capitalize on the advantages of flex PCB technology for your application. This article provides a step-by-step guide to evaluating and selecting an optimal flexible PCB maker based on their competencies, quality control, materials, pricing, capacity and more. By approach......
July 16, 2025
How Aluminum PCBs Improve Thermal Conductivity
Thermal management has become one of the most important issues in electronic design as contemporary electronics get smaller and more potent. PCBs have a variety of cores and materials. In the past, we have covered a wide range of materials. Today, however, metal core PCBs are the primary emphasis. Poor heat dissipation in basic PCBs causes electrical devices to perform worse, last less time, or possibly fail catastrophically. Compared to conventional FR-4 boards, aluminum PCBs have better heat conduct......
July 25, 2025
Everything You Need to Know About Solder Wire
The Latin word solidare means "to make solid," this is where the term solder gets its start. For joining two metal parts, this alloy is used because of its low melting point. Solder is a substance that is used to attach items, basically we can say wires and leads components together. Soldering is considered a skill in electronics for assembly of components onto a bare board PCB. The solder wire used has a significant impact on how well a soldering project turns out. It consists of alloys, mostly based......
July 23, 2025
Microprocessor vs. Integrated Circuit: Key Differences, Types, and Applications
In electronics things origin from silicon and today we will discuss two different silicon pieces. It is not a type of battle, but a race of price to performance ratio. An integrated circuit is a piece of a semiconductor chip that houses thousands to billions of transistors in it. Integrated circuits house the basic structure of MOS transistors on a small piece of a silicon wafer. The MOS transistors are connected in a way that achieves the same functionality of a larger setup. And these MOS transistor......
July 23, 2025
Understanding the Role of Solder Resist Materials in PCB Fabrication
Solder resist, also known as solder mask, Yes they are the same. Again two different names for the same thing but the solder mask one is adapted globally. The protective coating used on PCBs to stop solder from bridging undesired places is referred to by both designations. Although the term "solder mask" is frequently used, "solder resist" is more technically correct since the resist material opposes the solder as it is being assembled. Nonetheless, in the business, both phrases are frequently used in......
July 17, 2025
How to Choose the Right Soldering Station for Your PCB Projects
The soldering iron is the most commonly used tool for a DIY electronics hobbyist. You should pick a soldering iron that is both pleasant to use and dependable if you are a professional who works on electronic circuits for a living. Makers have their favorite soldering iron, just as artists have their favorite paintbrush or pen. Some people need a complete station with built-in stand, hot-air rework, and precise temperature control, others just want an inexpensive soldering iron that does the job well.......
June 30, 2025
Turnkey PCB Assembly Explained: Full vs Partial Process And Benefits
PCB Assembly is a process that requires knowledge not just of PCB components and assembly but also of printed circuit board design. Circuit board assembly is just one piece of the puzzle to delivering the perfect product the first time without rework and assembly errors. Every product goes through some prototype stages, after complete prototyping the mass production is possible. And this is the stage where turnkey PCB assemblies play an important role. At mass production level it is not easy to go thr......
June 30, 2025
What is Box Build Assembly? A Complete Guide to Streamlined PCB System Integration
As electronic devices become complex, outsourcing comprehensive assembly services has become a tradition. Among these services, Box Build Assembly, plays a vital role in transforming a PCB into a market-ready product. However, when you’re making the move to scale or you’ve decided it's time to put a board into volume production, certain manufacturers can offer multiple services to help you reduce the logistical workload. A box build assembly service isn’t the right path for all products, and different......
June 26, 2025
Simplify SMT Assembly with Custom PCB Stencils
Surface Mount Technology (SMT) assembly is a cornerstone of modern electronics manufacturing. From compact smartphones to industrial control systems, SMT ensures efficient placement of electronic components on printed circuit boards (PCBs). However, achieving precise solder paste application, a critical step in SMT, can be challenging without the right tools. This is where custom PCB stencils come into play, simplifying the assembly process and ensuring consistent, high-quality results. Let’s explore ......
May 31, 2025
Building a Custom Laptop with JLCPCB's Full Services
Imagine designing a laptop from the ground up—not just assembling parts, but crafting its circuits, chassis, and cooling systems by hand. "This is a fully custom-built laptop project where I designed and manufactured many of the key components, with the help of JLCPCB's outstanding services. While I didn't design the main motherboard itself, I developed and integrated many of the surrounding subsystems and mechanical elements myself." This project shows how a maker leveraged JLCPCB's full-service manu......
July 23, 2025
How JLCPCB’s Flex PCB Enable Smarter GPS Tracking Devices
Smart tracking technologies require reliable, high-performance hardware to function effectively. QIYUE TECH, an IoT company, uses JLCPCB’s Flex PCBs to improve the performance and compact design of its smart tracking devices, such as the TR-DOG® series and anti-tamper GPS smartwatches. These flexible PCBs provide the durability and adaptability needed for consistent performance in dynamic real-world environments. Product introduction Meet the TR‑DOG Series The TR‑DOG® system combines a handheld displa......
July 21, 2025
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