Signals and Systems is a national key textbook for general higher education in the "Ninth Five-Year Plan" published by Higher Education Press. The editor is Zheng Junli, professor of the Department of...
The current of a normal PCB design will not exceed 10 A, or even 5 A. Especially in home and consumer electronics, the continuous working current on the PCB usually does not exceed 2 A. However, I rec...
As shown in the picture, the simulation is good, giving a 0-5V sine wave, but after the actual board is powered on, the first op amp becomes hot and the power is also very high. What is the problem?...
The full name of the transistor should be semiconductor transistor, also known as bipolar transistor, crystal transistor, is a semiconductor device that controls current. Its function is to amplify...[Details]
Recently, the Shenzhen-Shantou Special Cooperation Zone successfully transferred an industrial land, which was won by Shenzhen Shenzhen-Shantou Special Cooperation Zone Zhihan International Automobile...[Details]
According to 91mobiles, Nokia TV "55CAUHDN" will be officially launched as early as December this year. It is currently confirmed that this TV has a 55-inch 4K resolution, uses JBL speakers and run...[Details]
The functions used to start the kernel are as follows: Similar to the process of porting U-Boot, before porting Linux, you need to understand its boot process. The Linux process can be divided int...[Details]
High-side/low-side current-sense circuit
The current-sense resistor of the low-side current-sense circuit is connected in series to the ground (Figure 1), while the current-sense resistor of th...[Details]
1. Current Status of AVS
AVS (audio video coding standard) is the second-generation digital audio and video source standard independently formulated by my country, and was officially implement...[Details]
1. Basic principles
The essence of A* is breadth-first graph search, which aims to find the shortest path from the starting point to the target node.
The A* algorithm adds heuristic varia...[Details]
3 Select battery capacity and battery pack installation
3.1 Select battery capacity
Designers need to evaluate the system load's demand for battery capacity. When determining the battery capa...[Details]
It has been reported that the upcoming Asus ROG Phone 5 will feature 16GB of RAM, a threshold we believe no Android flagship phone manufacturer will cross for a long time. Now the latest exposur...[Details]
There is a connecting piece at the terminal of the single-phase energy meter, which plays a very important role in the accurate measurement of the single-phase energy meter. According to statistic...[Details]
1. Introduction HART, or Highway Addressable Remote Transducer, is the abbreviation of Highway Addressable Remote Transducer. It was first developed by Rosemount Corporation in the United States and ...[Details]
There are multiple timers in STM8L, TIM1 is the highest level, and the others are ordinary timers, which are generally sufficient. The simplest example initialization //TIM3 clock enable ...[Details]
The thorough combination of powerful industrial communication networks and information technology has changed the traditional way of information management and brought the production management of ...[Details]
Soft starter and auto-coupling step-down starting are two different motor starting methods. They have certain differences in starting principle, structure, performance, application, etc.
...[Details]
Test/Measurement
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