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1. Introduction
A switching power supply is a power supply that uses modern power electronics technology to control the time ratio of the switch transistor to turn on and off to maintain a...[Details]
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Recently, UMC's Chief Legal Officer Zhang Zhenlun said in an exclusive interview with Taiwan Awakening News, "The Sino-US trade war will not end because Biden comes to power. High-tech companies need...[Details]
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ARM assembly language programming: The statements in the ARM assembly language source program are composed of instructions, pseudo operations and macro instructions. ARM instructions have been introd...[Details]
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Samsung has released an official trailer and is scheduled to unveil a number of new products including Galaxy Note20, Z Flip 5G, Buds, etc. on August 5. The whistleblower Ishan Agarwal reveal...[Details]
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LED energy-saving lamp driving power supply circuit diagram Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples th...[Details]
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1. Scenery We will select the appropriate sampling rate to collect the signal for the signal under test. Through the interpolation and extraction method of the oscilloscope, the signal sampling rate ...[Details]
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Beijing, China, November 23, 2021 - Keysight Technologies, Intel, and the Hong Kong Applied Science and Technology Research Institute (ASTRI) recently jointly demonstrated the application of 5G cor...[Details]
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This morning, Samsung Galaxy's official Weibo account announced that its Galaxy A60 Vitality Edition is officially on sale in the four major online channels of Samsung Online Store, JD.com, Tmall, an...[Details]
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When a 5V USB port is generated, this circuit limits the peak inrush current (at the USB port) at the moment of insertion, and simultaneously limits the operating current up to 500mA, as required...[Details]
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The image sensor is arguably the most important part of the video or still image processing pipeline in a digital video or still camera. Without the sensor, there is no image signal to process. Sensor...[Details]
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Abstract: As an important part of the power system, the service life and safety and reliability of batteries are the focus of users. Therefore, this paper introduces the software and hardware desig...[Details]
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Abstract: Based on the hierarchical network framework architecture of Zigbee network and the protocol stack architecture based on IEEE802.15.4, this paper adopts a method combining theoretical intr...[Details]
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At 6:09 p.m. local time on March 20, a magnitude 7.2 earthquake occurred in the sea near Miyagi Prefecture, Japan. The tremor was felt in Tokyo and the Japan Meteorological Agency issued a tsunami wa...[Details]
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A 10,000 mAh power bank can store 0.037 kWh of electricity at a time, which can fully charge 2 mobile phones. Have you ever seen a giant power bank that can store 8,000 kWh of electricity at a time? I...[Details]
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The domestic automotive-grade Hall current sensor CH704 is an isolated integrated current sensor chip developed for large current detection applications above 50A. It has the advantages of high pre...[Details]