[i=s]This post was last edited by YangTwo on 2022-2-15 08:21[/i]Thank you very much to GigaDevice and EEWORLD for providing me with the opportunity to review domestically produced MCUs for the first t...
[b][font=宋体][size=16.0pt] Disassembly diagram of Patriot power bank[/size][/font][/b] Preface: On April 27, 2019, at about ten o’clock in the morning, I heard from my friends in the group that STM32 w...
This article introduces the characteristics and uses of RF inductors. High-frequency inductors When it comes to high-frequency circuit inductors, as the name suggests, they are inductors used in high-...
The DC gain hFE of a transistor (NPN or PNP type) is the most basic measurement parameter of a transistor. Therefore, many digital multimeters can test the hFE of a transistor. Here, we introduce a tr...[Details]
MOS transistors have been shrunk in size since their invention decades ago. Reductions in gate oxide thickness, channel length, and width have driven significant reductions in overall circuit ...[Details]
According to Bloomberg reporter Mark Gurman, iPadOS 15 will improve multitasking, which is the way users manage multiple apps open at the same time. In addition, redesigned notification banners...[Details]
Today, as the trend of digitalization, intelligence and networking becomes increasingly prominent, industrial upgrading is not only reflected in the production and manufacturing links, but also in ...[Details]
According to foreign media reports, the Lexus ES300h model uses cameras to replace traditional external rearview mirrors for the first time in a mass-produced model. The images taken by the camera ar...[Details]
DC-compatible current transformers have long been used to sense AC current in smart meters, but they have some disadvantages and are expensive. For some applications, shunt resistors are a better c...[Details]
Calculation of high frequency transformer wire diameter: The wire diameter of the high-frequency transformer can be determined by calculation according to the formula D=1.13(I/J)^1/2. J is the curre...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
On the afternoon of April 20, smartphone brand vivo held a "Dual-core x Imaging Technology Communication Meeting", launched a new generation of self-developed chip V1+, and announced that the c...[Details]
With the development of software radio ideas and technologies, modern digital communication systems increasingly use digital signal processors such as DSPs combined with high-speed AD and DA conver...[Details]
1. The principle of Hall device
The Hall effect is a magnetoelectric effect. When current passes through a metal foil, if a magnetic field is applied perpendicular to the current, a lateral potential...[Details]
With the continuous development and application of automation technology, programmable logic controller (PLC) has become an indispensable part of modern industrial control systems. As one of the wo...[Details]
Grasp the Critical Issues for a Functioning JESD204B Interface Grasp the key issues of JESD204B interface function JESD204B is the most recently ratified JEDEC standard for the serial data inter...[Details]
It is usually completed in three steps: inverter no-load trial operation, inverter no-load operation with motor and inverter load debugging operation. These three steps are introduced in detail bel...[Details]
On October 26, 2024, China Southern Power Grid Energy Storage Co., Ltd. (hereinafter referred to as the "Company", Party B) signed the "Yunnan Qujing Luoping Pumped Storage Power Station Developmen...[Details]