How many times do you touch your phone screen every day? Scrolling through short videos, replying to messages, ordering takeout… These seemingly mundane actions actually rely on a metal that sounds very unfamiliar – Indium. It is neither gold nor silver, nor is it a well-known rare earth element, yet it is referred to as … Read more
As of the end of 2024, all of MediaTek’s Wi-Fi 7 chip solutions have been developed, with only the final chip solution’s MP (mass production) remaining to be completed. The entire development cycle for the Wi-Fi 7 new products lasted three years, during which five NPU and five MAC+BB chips (excluding RFIC) were released. This … Read more
PCB raw materials mainly include copper-clad laminates, copper foil, fiberglass cloth, resin, and ink, whose performance directly affects the electrical characteristics and reliability of PCBs, and they account for a high proportion of costs. The industry is showing a trend of being technology-intensive and accelerating domestic substitution. Ink Sector 10th: Rongda Photosensitive (300576.SZ) Main Business: … Read more
Disclaimer: The following content does not constitute any investment advice, guidance, or commitment, and is for academic discussion only. PCBs are known as the “mother of electronic products” and are the core carrier for circuit conduction and signal transmission in all electronic devices. Almost all upgrades of electronic terminals rely on the technological iteration of … Read more
Some screenshots of electronic books 【Complete Set of Hardware Learning Materials Collection】
Hello, everyone. Today, we will discuss the domestic PCB industry.Printed Circuit Boards (PCBs) are the providers of electrical connections for electronic components. The term PCB typically refers to bare boards—circuit boards without components. The circuit board serves to support and fix objects while also providing connections between various lines to transmit electrical signals. The true … Read more
Software Overview Multisim 13.0 includes graphical input for circuit schematics and hardware description language input methods, with rich simulation and analysis capabilities. Engineers can interactively build circuit schematics using Multisim and simulate the circuits. Multisim simplifies the complex aspects of SPICE simulation, allowing engineers to quickly capture, simulate, and analyze new designs without needing in-depth … Read more
In 1976, Yang Fu saved money for half a year and sought connections to buy a ticket, finally purchasing a Panda brand semiconductor radio. This small object, which has been discarded by many in memory, was a rare item over forty years ago. One winter over forty years ago, Yang Fu visited a supply and … Read more
In the first half of 2025, China’s import and export trade of printed circuit boards (PCBs) showed a positive recovery, with export amounts reaching a record high and maintaining growth with major trading partners. According to customs data, the total import and export volume in the first half of the year was $15.477 billion, a … Read more
Data is valuable; research reduces worries Dig deep, look far, find patterns Take notes, practice trading skills, summarize frequently ★★★★★The original blog is not easy to create; my blog does not require rewards or paid knowledge, and you can learn tips for free. If you like it, please like, bookmark, share, and pin it, and … Read more