I downloaded circuit-related learning materials from the Internet and learned about short-circuit judgment. I encountered the concept of equivalent impedance. According to the resistance value given i...
The temperature measurement circuit of PT100 is as follows:I have a few questions now, and I would like to ask experts to answer them. 1. How can this circuit calculate the resistance value of PT100 m...
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]
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]
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]
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]
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]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
Tags: PMP Digital Signal Processing
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: o...[Details]
FSP107-2PS01 two-in-one power supply assembly is mainly used with LG 26-inch screens to directly drive CCFL lamps, as shown in Figure 1. If used with screens from other manufacturers (such as Sams...[Details]
PPTC device technology has been widely used in overcurrent and overtemperature circuit protection designs for portable appliances, cell phones, computers and telecommunications equipment. New stand...[Details]
1. Introduction
2. Introduction to the measurement functions of Anritsu vector network analyzers
A vector network analyzer can measure all parameters b...[Details]
1 Overview
In microwave detection systems, antennas are usually the closed loop points of the system's automatic control loop. As an important part of a receiving/transmitting control...[Details]
Although many
driver
devices have gradually integrated overcurrent, overvoltage and other protection functions, discrete component solutions are still needed in many occasions, especially in over...[Details]
The SSL2108x series from NXP is a range of high-voltage Integrated Circuits (ICs), intended to drive LED lamps in general lighting applications. The main benefits of the product family are: •Small ...[Details]
Electric soldering iron that can both solder and strip wires
Here we introduce a practical electric soldering iron that can both solder and quickly strip the outer skin of plastic wires ...[Details]
How to overcome the stroboscopic effect of fluorescent lamp circuit
As shown in the figure, three fluorescent lamps of the same specifications are connected to the three-phase power sup...[Details]
Embedded System
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