Research on impedance matching In high-speed design, whether the impedance is matched or not is related to the quality of the signal. Impedance matching technology can be said to be rich and varied, b...
Input DC5V (preferably with some margin above and below) Output 12V 1.2A IC is best from a big brand. I am in the automotive electronics business, and I have some requirements for ICs. Can anyone reco...
[color=blue][b]I am a novice, just started to learn 430, this is a small program I tried, the timer interrupt outputs a square wave at P1^0 port, woo woo, it doesn't work no matter how I try. When bui...
I transplanted a 12864 program from 51, but it doesn't work well. There are two phenomena: 1.28027_RAM_lnk.cmd, does this mean that it is executed from RAM? It is not burned into flash, but every time...
Main menu, first level submenu, second level submenu LCD has 12864 buttons and 5 430 microcontrollers. I found some resources online but I still don't know how to use it. There are so many cases in ea...
I want to play sound files on my PDA, which is a PPC2003 operating system. I want to be able to control it to pause, stop, etc. I don't know how to achieve this. I use a standard PDA bought on the mar...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]