EMI Test Specifications and Measurements
IntroductionMost power applications must reduce electromagnetic interference (EMI) to meet requirements, and system designers must try various methods to reduc...
Solve y=(ax^2-bx+c)/(dx+e) by programming, and put the quotient and remainder in the data memory 1000H and 1001H respectively. (1) Given a=8, b=6, c=10, d=7, e=9, x=5, find y. (2) Given a=0.9, b=0.1, ...
[i=s]This post was last edited by dsjsjf on 2019-3-1 11:16[/i] [url=https://en.eeworld.com/bbs/elecplay/content/103]The development board ST NUCLEO-H743ZI evaluated in this event is provided by STMicr...
I need help from all the masters in the forum. I have a .brd file, but I can't convert it into AD17. I have no choice but to ask for help from the masters. How should I convert it? Please teach me.
Th...
The "first bid in the country" for tax -control cash registers was issued recently in Guangdong Province, and five companies won the bid. On February 15, the Guangdong Provincial Government Procureme...
I need help: After the synchronous motor is powered on, the rotor keeps rotating 8 or 9 degrees forward, and then 8 or 9 degrees reversely, and keeps doing this cycle. The interval seems to be between...
As a change to the existing, Apple will offer iPhone XR as a loaner device to users in some areas when users mail their device to a service center. According to an internal service memo seen ...[Details]
The English name of branch prediction is "Branch Prediction" You can search this keyword on Google and you can see a lot about branch prediction, but understanding how branch prediction works is th...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
In January this year, Prime Minister Johnson decided to continue using Huawei equipment in "non-core" areas of the UK's telecommunications infrastructure, limiting its participation rate to 35%. In a...[Details]
1 Overview With the rapid development of network technology and multimedia technology, multimedia applications based on IP networks are becoming more and more widespread. TM1300 is a high-...[Details]
Portable electronic devices such as smartphones, GPS navigation systems, and tablets can be powered by low-voltage solar panels, batteries, or AC-DC power supplies. Battery-powered systems often st...[Details]
On January 26, Tencent's Nintendo Switch official Weibo announced that from January 26 to February 6 (the sixth day of the first lunar month), many games in the Nintendo e-store will be discoun...[Details]
the difference The "source" of active and passive here refers to the "oscillation source", that is, the active buzzer has an oscillation source inside, and can make a sound as long as it is powered o...[Details]
The experimental examples provided by the school are too advanced, and it is too painful for us children with no basic knowledge, so we can only find information by ourselves. I record while learning...[Details]
In order to solve the problem of DC inverter AC, effectively utilize energy, and make the power supply output maximum power, a high-performance maximum power tracking inverter based on IR2101 is de...[Details]
1. Main circuit
The whole process of input from AC grid and DC output includes:
1. Input filter: Its function is to filter the noise existing in the grid, and also prevent the noise generated ...[Details]
1. Introduction to peripheral LED LED lamps are light emitting diodes, which are a type of diode. A diode has an anode and a cathode. Current flows from the positive electrode to the negative electro...[Details]
On November 4, Li Rui, member of the Standing Committee of the Provincial Party Committee and Secretary of the Municipal Party Committee, visited private enterprises in Honghuagang District and Xinpu ...[Details]
Analogue and Mixed Signal
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