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In addition to black, white and dark red, there was news in October this year that Samsung is developing a green version for the Galaxy S22 series. A few days ago, the well-known domestic digita...[Details]
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X-ray Flaw Detection Principle
(1) Characteristics of X-rays
X-rays are a type of electromagnetic wave with a very short wavelength. They are photons with a wavelength of 10-6~10-...[Details]
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The September back-to-school rush is approaching in the United States, but there is a severe shortage of educational laptops. Students are facing the problem of "no laptops to go to school", and bran...[Details]
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Clamp ammeter, also known as clamp meter, is a deformation of current. Its accuracy is low, generally below level 2.5. It is usually measured directly without disconnecting the circuit. Its appearanc...[Details]
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For bottom-up network troubleshooting, start by checking the cables and then the protocol stack. When there is a user outage, it is easy to start at the physical layer and work your way up. When EMI a...[Details]
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Although the corresponding terminals for the two Android flagship SoCs that have been released are still very scarce, the war of words over the paper specifications and preliminary running scores is ...[Details]
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Jiwei.com News: On January 16, the 2021 China Semiconductor Investment Alliance Annual Meeting and China IC Billboard Awards Ceremony were held in Beijing. Shenzhen Xinbaite Microelectronics Co., Ltd...[Details]
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Low Power CV/CC Charger/Adapter Circuit : 5W, 5V, 1A, 85–265 VAC Input Flyback Power Supply Circuit
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Introduction
The ZigBee short-range low-speed wireless personal area network (LR-WPAN) protocol based on the IEEE802.15.4 standard takes low speed, low power consumption and low cost as its main res...[Details]
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The Field Strength & Power Estimator iPhone app designed by Rohde & Schwarz (R&S) estimates the power flux density, the transmitted power of the electric and magnetic fields, and the gain of the tr...[Details]
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At a press conference held by the State Council Information Office this afternoon, Zhao Zhiguo, director of the Information and Communications Administration, revealed that as of the end of February ...[Details]
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1 Overview
In the process of developing single-chip microcomputer application products, we often encounter a very difficult problem, that is, the system runs normally in the laboratory environm...[Details]
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On May 10, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary WPI has launched the shark2 smart home control panel s...[Details]
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The power amplifier, commonly known as the "loudspeaker", is the most basic device in the audio system. Its task is to amplify the weak electrical signal from the signal source (from the mixing con...[Details]
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In the existing automobile market, many brands and models are widely recognized for their excellent safety performance. These brands and models have performed well in safety technology, crash test ...[Details]
Power technology
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