As shown in the figure, this is the voltage generating circuit of LCD. I would like to ask how this circuit works. The measured VGL and VGH are -19V and +19V respectively. CON2 is a power strip connec...
[i=s]This post was last edited by qwqwqw2088 on 2020-11-10 11:21[/i]Common mode radiation is caused by voltage drop in the grounding circuit (as shown in the figure below). Some parts have high potent...
Chapter 3 of the book "Operational Amplifier Parameter Analysis and LTspice Application Simulation" is about special amplifiers, including four types of special amplifiers: instrumentation amplifiers,...
There are generally two ways to increase the transmission rate of wireless transmission. One is to increase the spectrum utilization rate, and the other is to increase the spectrum bandwidth. In wirel...
Different efficiency
Different voltages
Different power
Different frequencies
Different uses
Different manufacturers
Different materials
BroadbandNarrowbandCommunicationDot frequency...
This is an automatic temperature control speed regulator for an electric fan. It can automatically adjust the speed of the electric fan according to temperature changes. The circuit can be adjusted...[Details]
1 I2C Bus Overview
I2C (inter IC bus) bus is a serial communication interface specification proposed by Philips. Common Chinese translations include "inter-IC bus" or "inter-IC bus". It uses t...[Details]
According to Bloomberg, AAC Technologies recently announced the establishment of a global R&D center for MEMS microphones in the UK to accelerate its global layout in the micro-electromechanical fiel...[Details]
Introduction
In embedded system applications in the fields of measurement and control, it is often required that the data in the system's internal and external data memory (RAM) will not be los...[Details]
With the rapid development of computer technology and network communication technology, the automation construction of power system has become more and more perfect, especially in the remote mo...[Details]
In an increasing number of demanding industrial automation applications, technological advances are changing the performance-cost ratio between stepper motors and servo motors.
After ado...[Details]
On November 12, Nationstar Optoelectronics and Kaifajing Lighting (Xiamen) Co., Ltd. (hereinafter referred to as Kaifajing Lighting) reached a strategic cooperation and signed a comprehensive strateg...[Details]
We used PIC series single-chip microcomputers in the instruments we designed, and encountered the problem of floating-point calculation. After consulting relevant information, we found that the forma...[Details]
On July 6, in response to the news that Huawei will launch two satellites to seize the development of 6G, Huawei issued a statement on its official Weibo account saying: Fake news. Some media repor...[Details]
The following are screenshots of nvic of lpc. You need to turn on online simulation before taking screenshots~
It can be seen that the exceptions numbered 2-16 are unique to the cm3 core, not ...[Details]
There are two types of multimeters, pointer type and digital type. They have their own conveniences. It is difficult to say which is better or worse. It is best to have one pointer type and one digit...[Details]
The following is the protues simulation circuit. You can see the second line on the screen clearly, I will tell you how to display it later. The first line is the Chinese character "取" (left and right...[Details]
Analog electronics
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