[i=s] This post was last edited by Firefly on 2017-7-18 17:11 [/i] Teacher, how do you measure the open-loop amplitude-frequency (phase-frequency) characteristic curve of the high-voltage op amp PA85?...
[color=#000][font=微软雅黑][size=3]The first month of the year is the New Year, the first day of the New Year... [/size][/font][/color] [color=#000][font=微软雅黑][size=3] [/size][/font][/color] [font=微软雅黑][s...
[i=s]This post was last edited by CokezzZ on 2021-8-19 17:25[/i]Capacitors are the most common and commonly used devices in circuit design. They are one of the passive components. Active devices are s...
[color=#333333][font=微软雅黑][size=4]I want to design a 0v and (-12v) square wave with a frequency of about 10k and a current output capacity of 30ma. I wonder if any of you masters have a better method~...
SUBDIRS := jffs2 cramfs fdos fat reiserfs ext2 .depend all: @for dir in $(SUBDIRS) ; do \ $(MAKE) -C $$dir $@ ; done What does this mean? I added some files under u-boot/fs, how should I modify this m...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[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]
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]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]