I have been studying UCOS II recently and found some problems while reading. I hope to discuss them with you. 1. On page 305 (3) of the second edition of Embedded Real-Time Operating Systems, I saw th...
Dear seniors, how can I detect this 1ns narrow pulse? The direct interval between each narrow pulse is 1ms, mainly because the width of the pulse is too narrow. I don't know how to detect it. Please g...
At present, many manufacturers have their own wireless self-organizing network solutions, and each solution cannot communicate with each other. Therefore, it is very important for users to choose a pr...
I am a novice learning ARM hardware, and I have a question. Samsung 2440 can be booted from NAND and NOR flash. When NAND is booted, it will automatically copy the first 4K of NAND to the internal 4K ...
I broke one leg of my 147 by soldering, it's over, I don't dare to solder the other legs, I soldered it on the PCB board, using 0.5 solder wire and external heating iron, please share your experience,...
Recently, I needed to use a touch detection chip for a competition. When I was writing the program, I encountered a problem that I could not solve for a long time. The touch detection chip I have is B...
Embedded systems are the replacement products of computer technology, communication technology, semiconductor technology, microelectronics technology, voice and image data transmission technology, and...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
introduction
Traditional electric actuators are easy to use and save investment, and have been widely used in production process control systems in the fields of electricity, metallurgy, petro...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]