As we all know, a fully functional electrical device requires a good circuit board, quality components, and a plastic or metal casing, along with switches, etc. Today, we will hand-wire a PCB layout ourselves. This circuit is quite simple, requiring only basic series and parallel connections, along with a four-transistor microphone amplifier, which does not … Read more
In the field of electronic manufacturing,PCB and PCBA are two extremely important concepts, yet many people have a vague understanding of them and often confuse the two. Today, we will delve into what PCB and PCBA are, and explore the differences and connections between them. 1. PCB (Printed Circuit Board) — Printed Circuit Board PCB, … Read more
Click the blue text above to follow us High-end PCBs are the “cornerstone” of the electronics industry, and the upgrade and iteration of their core materials are key to driving technological progress across the entire industry chain. With the rapid development of emerging technologies such as 5G, AI, and high-performance computing, the performance requirements for … Read more
1. What is PCB? PCB (Printed Circuit Board) is the carrier for the electrical interconnection of electronic components, serving as a relay for transmission, and is thus referred to as the “mother of electronic products.” 2. Composition of PCB The materials of PCB mainly consist of two parts: PP semi-solid sheets and Core substrates, along … Read more
PCBs (Printed Circuit Boards) are the “nervous system” of electronic devices, mechanically securing and electrically connecting electronic components (such as chips, resistors, capacitors, etc.) through preset copper foil circuits and pads, replacing traditional manual soldering of wires. They are an indispensable core carrier of modern electronic devices.1. Core Characteristics of PCBs: Why They Are the … Read more
Some screenshots of electronic books 【Complete Set of Hardware Learning Materials Collection】
RC Parallel Design Between PCB GND and Chassis GND: Principles, Advantages, and Application Comparisons -Compare- Enning EMC Engineering Summary Overview Prospect feed In metal-cased electronic devices, the connection design between PCB GND (signal ground / PCB ground) and chassis GND (enclosure ground / protective ground) directly affects the electrical safety, electromagnetic compatibility (EMC), and signal … Read more
The Chinese PCB (Printed Circuit Board) market is the largest producer globally, accounting for over 60% of global capacity. By 2024, the total output value of the global PCB industry is expected to reach $73.565 billion, with mainland China accounting for more than 55%. 1. Industry Status 1. Market Size In 2024, the global PCB … Read more
1. History of PCB Development The history of PCB development is a chronicle of the continuous miniaturization, integration, and high performance of electronic technology. 1. Concept Origin (Early 20th Century): The idea of “printing” wires on a substrate was first proposed by Germans Albert Hansen and Americans Charles Ducas, laying the theoretical foundation for PCBs. … Read more
Some resign from their official positions to return home, while others rush to the examination hall at night. —– Below are some recent cases of PCB companies that have declared bankruptcy or entered bankruptcy proceedings: 1. Shenzhen Qunhui Electronics Co., Ltd. Founded in 2017, it focused on high-precision circuit boards, with products involved in military … Read more