In the past one or two years, Huawei and Apple have been fighting each other. This year, Apple's "first move" is the iPhone 11, and Huawei's "second move" is the Huawei Mate 30.After a fierce debate b...
The rapid development of renewable energy applications will trigger the fourth industrial revolution. Photovoltaic power generation is a key part of the entire renewable energy solution. Among all sol...
Microcomputer Principles and System Design : https://training.eeworld.com.cn/course/4926This series introduces the principles of microcomputers and system design, number systems and code systems in co...
RF Amplifier Design Tian Qingcheng, Chinese University, Taiwan : https://training.eeworld.com.cn/course/5329This video is a teaching courseware of "RF Amplifier Design" by Professor Tian Qingcheng of ...
Can you guys help me analyze this circuit? I know the function of the pins of BISS0001, but I don't know what the functions of those wires are, such as those capacitors and resistors. Can you tell me ...
[i=s]This post was last edited by fxyc87 on 2022-1-20 13:01[/i]Previous post: [National Technology N32G457 Review] 1. Data Preparation
Unboxing photos: development board + MINI USB cableI have made an...
Electromagnetic radiation (EMR), electromagnetic interference (EMI), and electromagnetic compatibility (EMC) are terms that refer to energy from charged particles and the associated magnetic fields t...[Details]
LED is widely used in outdoor lighting projects, but its application in indoor lighting projects is still in its early stages. This is partly because the lumen cost is too high, and partly becaus...[Details]
1 Introduction
Electromagnetic flowmeter is an instrument for measuring the volume flow of conductive liquid based on Faraday's law of electromagnetic induction. The choice of its excitation m...[Details]
introduction
With the development of information technology, digital encoding, digital storage, and digital processing of television signals have become more and more widespread. The newly deve...[Details]
introduction
In recent years, my country's shipbuilding industry has achieved rapid development. According to the Shipbuilding Industry Statistical Express, in 2007, China's shipbuilding completion...[Details]
On the morning of August 25, Baidu released the superconducting quantum computer "Qianshi". According to reports, the Qianshi superconducting quantum computer released this time not only includes a h...[Details]
0 Introduction Due to the rapid development of power electronics technology, AC variable frequency speed regulation has become the mainstream of electrical drive and is gradually replacing the t...[Details]
In terms of RF small signals, NXP exhibited the 1GHz CATV modules CGY1047 and CGD985HCi for high-quality and reliable 1GHz cable TV networks. The CGY1047 push-pull module is the first product on th...[Details]
I recently wrote a program that needed to disable interrupts in user mode, but the ARM 7 architecture determines that interrupts can only be changed in privileged mode, so I thought of using ARM's so...[Details]
According to foreign media reports, Samsung's system Beta test version operations manager revealed that the Samsung Galaxy S20 series will not push the One UI 4.0 beta version next, but will directl...[Details]
The "2022 Global Wafer Capacity Report" by research firm Knometa Research shows that 57% of the world's total wafer production capacity in 2021 was contracted by the top five companies (Samsung, TSMC...[Details]
How DVS works
DVS通常用在为处理器供电的DC/DC变换器中。处理器工作在全速状态下和空闲状态下所需要的电压是不同的,DVS使系统控制器可以在需要的时候改变DC/DC变换器的输出电压。在移动设备中,DVS显著延长了电池的寿命,但并不影响用户程序的运行时间。
Modern dynamic voltage scaling (DVS) technology...[Details]
Aiming at the problem that the electrolytic capacitor in the existing LED driving circuit limits the life, a design method for LED driving circuit without electrolytic capacitor is proposed. This m...[Details]
On December 26, iQiyi Qiyu held a media conference to officially launch its first consumer-grade MR device, Qiyu MIX. Qiyu MIX is equipped with the first-generation Snapdragon XR2 platform, making an...[Details]
Recently, 12 200KVA 660V to 380V energy storage isolation transformers from Zhuoerfan Transformer Company were shipped to Tianjin. These transformers will provide stable power sup...[Details]