What is the role of capacitor C3 and NPN tube Q3 in this figure of series DC regulated power supply? If the output voltage is 1.5-9v, how should C3 and Q3 be selected? [[i] This post was last edited b...
Why do language books all have an animal pictured on them? For example, perlhadooppython, which means boa constrictor, has a mouseThis thing has become a circusWelcome to add your comments. If anyone ...
ON Semiconductor introduces the new linear current regulator and controller NCV7680. This device contains 8 linear programmable constant current sources, which are designed for current regulation and ...
Today I did an experiment according to this post http://dev.eeworld.net/author/jiazhen/9c651ed6f81144b1bb4df393284072d4.html. When it came to compiling the kernel, an error occurred during make dep. T...
What is 802.11ah or HaLow?
What is 802.11ay?
802.11af White-Fi Technology
Compare 11a, 11b, 11g and 11n to provide the differences between 11a, 11b, 11g and 11n, 802.11 standards
What is Wi-Fi 6 and w...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Analog electronics
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