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A new automated approach to app testing that quickly measures the quality of experience provided by the world’s most popular mobile apps
Keysight Technologies recently an...[Details]
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The single-ended tube power amplifier is really the best partner for full-frequency. I already have 3 split single-ended power amplifiers, namely 805, 300B and 2A3. These 3 power amplifiers are al...[Details]
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After 5nm, foundry competition began to move toward the more advanced 3nm node. Currently, Samsung, TSMC, and Intel have formed a three-way split in the advanced process competition. And from the p...[Details]
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If the program of stm32 is wrong, then your program is automatically write-read protected, and your controller is dead, so you can't change the boot mode. In this case, I used to change a chip, but la...[Details]
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The rapid development of smart cars in recent years has given software more room to play in cockpits, and the concept of "software-defined cockpit" has also emerged. Looking at the market, more and m...[Details]
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For complex waveforms, a spectrum analyzer or a Fast Fourier Transform (FFT) of the waveform can determine the spectral sinusoids present in the waveform. The Nyquist theorem states that for a signal...[Details]
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Power over Ethernet (PoE+) applications currently follow the IEEE standard 802.3af, which will be replaced by 802.3at (PoE+) in the second quarter of this year. The new PoE+ standard will provide a...[Details]
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On January 15, a project with an annual output of 110,000 silicon carbide substrates, controlled by Guohong Zhongyu Technology Development Co., Ltd. and invested and constructed by Shandong Guohong Z...[Details]
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12864 LCD character display of 51 single chip microcomputer, using parallel connection of LCD
#include reg52.h
#include intrins.h
#include stdlib.h
#define uchar unsigned char
#define uint ...[Details]
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As of now, the bankruptcy and reorganization storm of Tsinghua Unigroup has not subsided. On December 20, according to the announcement of Tsinghua Unigroup, in order to smoothly and steadily advance...[Details]
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Since the advent of radar level meter, it has been widely used. Most people already know that the only disadvantage of radar level meter is the false level problem. It is also called interference pr...[Details]
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As an important measure to lower electricity prices and a key target of third-party supervision, the National Development and Reform Commission issued three consecutive documents in 2018 requiring ...[Details]
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In order to reduce interference and increase the reliability of the control circuit, the control circuit is completely separated from the power drive circuit during system design. The power part and ...[Details]
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Method 1: Using frequency domain analysis FFT analysis can provide a deeper analysis of the signal, as shown in Figures 5 and 6. On top of the broad "white" noise, there are two more peaks, 49.5MHz a...[Details]
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EMI is electronic noise that interferes with cable signals and degrades signal integrity, typically generated by electromagnetic radiation generating sources such as motors and machinery. Interfere...[Details]