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From today (18th) to the 20th, the 2019 Huawei Connect Conference (HUAWEI CONNECT) will be held at the Shanghai World Expo Exhibition and Convention Center. 现场华为发布了计算产业战略，并推出全球最快的AI训练集群Atlas 900。华为副董...[Details]
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Constant Current LED Driver Circuit with Power Factor Correction: 75W, 24V, 3.1A Output, 208–277 VAC Input, Single-Stage PFC Flyback Power Supply
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The cockpit is very suitable for the implementation of SIP technology because of its low safety level and the need for rapid iteration. The smart cockpit has become a new value growth point for veh...[Details]
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Keil C51 Library Functions Keil C51 Library Function Reference One of the important manifestations of C51's powerful functions and high efficiency is its rich library functions that can be called dir...[Details]
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In the variable capacitance diode frequency modulation circuit, the instability of the carrier frequency is mainly caused by factors such as temperature change, power supply voltage change, load im...[Details]
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500W Power Factor Correction Circuit:
Working principle of power factor correction
1 Definition of power factor
Power factor (PF) refers to the ratio of AC input active power (P) to in...[Details]
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■ Product Overview
LN4809 is a dual-channel audio headphone power amplifier. Each channel can provide up to 105mW output power. LN4809 application circuit
Simple, only a few periphe...[Details]
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Fingerprints exist to provide rough surfaces on the palms and soles of people's feet, making it easier for people to grasp objects. Fingerprints begin to form in the fetal period, and their patterns ...[Details]
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A survey by Lin Junji, an analyst at market research firm DIGITIMES Research, showed that due to sluggish demand, shipments in China's mainland smartphone market fell below 70 million units in the fi...[Details]
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MSP is a video non-linear editing software designed specifically for professionals. It includes functions such as acquisition, editing, audio, CG, drawing, menu, burning, and playback, which fully ...[Details]
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As AirPods become more and more important in people's lives, do they need a separate companion app? Based on this idea, a foreign netizen recently created a concept supporting application for AirPo...[Details]
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Atlas Chrysler Automobiles said it will launch the first electrified Maserati Ghibli, a hybrid, in 2020. In addition, the first all-new Maserati sports car will also be launched in 2020, which will b...[Details]
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On May 12, 2014, the Ministry of Education officially notified local education departments that it would launch three special operations starting from May, namely, "cracking down on the sale of c...[Details]
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From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]
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On October 29, Xiaomi launched two new models, Xiaomi 15 and Xiaomi 15 Pro, at a new product launch conference, both equipped with Goodix's ultrasonic fingerprint recognition solution. This is the ...[Details]
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