This is my graduation project. Can you break it down a little bit? Talk about the advantages and disadvantages. When the telephone line is normal, there is a 48-60V DC voltage on the telephone line. W...
[size=4][color=#8b0000]:lol I'm just shouting slogans. The current situation doesn't allow me to do some difficult exercises. Now I mainly do some recovery yoga. I can't stretch too much or anything. ...
I built the typical frequency selection circuit of lm567. The resistors and capacitors of pins 5 and 6 are 10k and 104 respectively. According to the given center frequency calculation formula f=1/(1....
Remove ".rar" to viewThe attached 2.5-second video was captured by me on the 23rd from a mine surveillance camera. The shadow is taken from the middle of the image. The 29.5-meter-long body of the air...
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
On August 22nd, Lantu Motors unveiled a new technology called "Lanhai Intelligent Hybrid" during a live broadcast of CCTV News' "Top Laboratory." The name sounds like another new term, but a closer...[Details]
SMT placement machines are important equipment in surface mount technology (Surface Mount Technology). Their performance has a decisive impact on the quality and efficiency of electronic manufactur...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
Reflow soldering, as an electronics assembly process, has become a vital component of the electronics manufacturing industry. Choosing reflow soldering equipment is crucial for improving production...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[Details]
The screen is the first thing you notice when evaluating a phone's quality. Its quality directly impacts both visual and operational performance. However, understanding mobile phone screens r...[Details]
Today, the voltage of electronic products continues to rise to 400V, 600V and even 1000V, so there are few electronic load models that can handle such high voltages. Many people consider connecting...[Details]
With rapid economic development, the types of pollution sources are increasing, especially in chemical and industrial zones and their surroundings. The patterns of pollution and the types of ecolog...[Details]
In recent years, with the development of MOSFETs, they have gradually replaced transistors in the low-power, fast-switching industry. Major manufacturers in this field have also been reducing their...[Details]
Electronic devices are small individual components in electronic circuits. Transistors are common electronic components. Because of their wide range of applications, according to the usage of the e...[Details]
Abstract:
Electronic rearview mirrors offer advantages over traditional mirrors in intelligent connected vehicles, leading them to gradually replace them. However, their emergence also increa...[Details]
01 Introduction
The SINAMICS V20 inverter controls three-phase AC asynchronous motors. Depending on the size (frame sizes FSA to FSD), the power range of the three-phase AC 400V inverter cover...[Details]
Function (FC) parameters
Functions do not have data memory in which to store the values of block parameters. Therefore, when calling a function, all formal parameters must be assigned actual p...[Details]