I would like to ask seniors whether the rotor flux model of three-phase asynchronous motor and single-phase asynchronous motor is the same?
Why is there a current model of the rotor flux in a two-phas...
Why is the P0 port of the S52 microcontroller open-drain? Does AD acquisition have to be connected to this port? Why? Is it because of high impedance?If this port is not used, is it enough to add a vo...
The demand for higher data rates is driving the migration of mobile communication systems from 2G to 3G. The higher data rates in these systems have added more performance and specification requiremen...
Use TI's 16-bit DAC (DAC8831) and FPGA for SPI communication, SPI clock rate 50MhzDAC reference voltage Vref=4.096V, use TI's ref5040 as the external reference voltage, followed by an op amp as a buff...
When I use the TQ2440 development board to develop an application, when the IO port is connected to the FPGA, wince cannot start. What's going on? I'm a novice and I want to use the camera interface a...
[i=s]This post was last edited by Xianjing on 2020-11-11 09:05[/i]Finally got the board today. This board has gone through many twists and turns. The address is the address of the previous company, an...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]