I recently got a mipow power bank SPX01W, which supports both wired and wireless charging for mobile phones. It has a square shape, two USB outputs, one wireless output, and a Type-C interface for cha...
This content is originally created by EEWORLD forum user lxdiyi . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source.1. Introduction...
Razavi Analog Integrated Circuit Tutorial (English) : https://training.eeworld.com.cn/course/5218The Bible of analog circuit design, taught by analog electronics master Razavi himself!Fundamentals Of ...
I would like to ask, when compiling uboot for am335x, when making the configuration file, what is the difference between make am335x_evm_defconfig and am335x_evm_config? The am335x_evm_defconfig file ...
The list is out and can be seen here: https://en.eeworld.com/bbs/thread-1084541-1-1.html
Welcome everyone to guess the questions: https://en.eeworld.com/bbs/thread-1084544-1-1.htmlList of component in...
[i=s] This post was last edited by shaorc on 2019-5-19 18:17 [/i] [font=仿宋, 仿宋_GB2312][size=4][color=#000000]As shown in the figure, in order to reduce the impact of voltage surges on the load and the...
Text_Lu Yuandi, Tan Zhen
China National Grid Corporation conscientiously implements the decisions and deployments of the Party Committee of State Grid Corporation of China, insists on innovati...[Details]
Calibration method of withstand voltage tester 1. Tester output voltage Figure 5 Output voltage calibration wiring diagram Put the withstand voltage tester in the "reset" state, turn the "v...[Details]
1 Introduction
The frequency conversion speed regulation of medium and high voltage large capacity motors is the focus of the national energy conservation and emission reduction work. The main...[Details]
1. Design requirements
This power supply is used in the front end of an AC voltage conversion. The input control signal is 4VAC (50HZ AC effective value range 2VAC-8VAC), and the input power i...[Details]
Application Circuit of DC Coupled Logarithmic Amplifier
Figure 5 is a circuit for using the AD8138 differential amplifier to implement the reference point conversion and single-ended to differen...[Details]
Abstract: Abstract: Compared with switching power supply with voltage-control mode, the voltage adjustment rate in current in switching power supply with current-control mode achieves optimization ...[Details]
On the morning of August 13, industry analysis agency Canalys recently released an analysis report on the US mobile phone market in the second quarter of 2020. The data showed that about 70% ...[Details]
Laser welding robots are widely used in many different industries, including but not limited to the following areas:
Automobile manufacturing industry: It can be used for body welding, parts w...[Details]
How to pause a GRAPH block
Description: When the Graph program is running, in some cases, the Sequence needs to be paused to solve the problem. When the problem is solved, the Graph program ne...[Details]
The new R&S SMB100B microwave signal generator
from Rohde & Schwarz (hereinafter referred to as "R&S")
is available in four frequency ranges, ranging from 8 kHz to 12.75 GHz, 20 GHz, 31.8 GHz ...[Details]
According to foreign media reports, a research team led by chemists from the U.S. Department of Energy's Brookhaven National Laboratory explored a property called valence gradient in cathode material...[Details]
Watma, once a power battery giant, fell from the altar due to policy adjustments, but now seems to have ushered in new vitality. Last Thursday, Waterma's parent company, Jianrui Woneng, issued two an...[Details]
This article uses the simple and easy-to-control 51 single-chip microcomputer STC89C52 as the control core, and measures and displays the air mass flow through the conversion of the AD module. The de...[Details]
1. Introduction Frequency converters are of great significance in energy conservation and power environmental protection. Motor drives are large consumers of electricity, consuming about 65% of the ...[Details]
Abstract: The active matrix liquid crystal display power core is a switching power supply launched by the American MAXIM company. It has the characteristics of boosting and dual output phase loc...[Details]
Making friends through disassembly
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