[align=left][size=14px][align=left][color=rgb(51, 51, 51)][font=微软雅黑, 黑体, 宋体][size=18.2px]The basic design process of general PCB is as follows: preliminary preparation->PCB structure design->PCB layo...
At present, customers of cordless vacuum cleaners have strict requirements: super strong suction power, compact and light, and long and reliable product life cycle. Today, we will take you to understa...
[i=s]This post was last edited by MianQi on 2021-8-27 12:51[/i]Overall impression: The user experience expectations for any of these two functions must be based on an accurate understanding of their o...
Buck-boost circuits are used for step-up and step-down circuits, but the voltage polarity of the buck-boost circuit output is always opposite to the output voltage polarity. Is it possible that it is ...
Windows XP comes with a "Task Scheduler" that can help us run a program or perform certain operations within a specified time, which greatly facilitates many friends who suffer from "amnesia". If the ...
IntroductionThe phase-locked loop was born in the 1930s. In recent years, phase-locked technology has been used in the fields of communication, aerospace, measurement, television, atomic energy, motor...