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At 15:57 on May 2, a 4.5-magnitude earthquake occurred in Lushan, Ya'an, Sichuan Province. At present, judging from the earthquake disaster loss assessment system of the Ya'an Earthquake Prevention a...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The microcontroller source program is as follows: #include "reg51.h" #include "intrins.h" #define GPIO_DIG P2 //Data port #define uchar unsigned char //Rename keyword #define uint unsigned int ...[Details]
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1. Calculation of maximum power capacity and maximum voltage capacity
* Formula 1: Maximum voltage capacity V = √ maximum power W × load impedance Ω
* Formula 2: Maximum power capacity W = max...[Details]
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The GMR effect is a magnetoresistance effect discovered in 1988. Since it is more than an order of magnitude larger than the traditional magnetoresistance effect, it is named Giant Magnetoresistor (...[Details]
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This article describes the server testing method from two parts: performance testing and functional testing. Each test is performed three times in the process, and the server and tester are restart...[Details]
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DC/DC is a switching power supply chip. Switching power supply refers to the use of the energy storage characteristics of capacitors and inductors to perform high-frequency switching through control...[Details]
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I won’t introduce some of its physical characteristics such as operating frequency band, power supply voltage, and data transmission rate in detail, and will go directly to the code.
1. First is the...[Details]
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The high-frequency head LNB (LOW NOISE BLOCk) is scientifically known as a high-frequency tuner, also known as a downconverter; it is composed of a low-noise amplifier LNA (LOWr Noise Amplifier) ...[Details]
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Jiwei.com reported on February 20 that the well-known mobile phone review organization DXOMARK recently announced the camera scores of Samsung Galaxy A51 5G, with a photo score of 90 points, a zoom s...[Details]
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Vector network analyzers are a type of instrument with a wide range of uses. They can characterize S parameters, match complex impedances, and perform time domain measurements, etc. They are also one...[Details]
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In the test of high-speed serial data, jitter test is very important. In the jitter test of serial data, jitter is defined as the deviation between the edge of the signal and its reference clock. For...[Details]
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Due to overheating and reliability issues, AirPower could not be manufactured in a way that met Apple's standards, so Apple canceled the AirPower wireless charging mat project in May 2019. Recently...[Details]
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Frequency Band MHz
1 Group A Class Equipment
1 Group B Class Equipment
Quasi-peak dB(μV)
Average value dB(μV)
Quasi-peak dB(μV)
...[Details]
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(October 30, 2024, Shanghai)
As one of the world's leading companies in industrial automation, information technology and digital transformation, Rockwell Automation will be present at the 7th ...[Details]
Automotive Electronics
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