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There are many parameters for evaluating the quality of DC power supply, among which ripple is the most important parameter. The general methods for measuring ripple are oscilloscope and multimeter (...[Details]
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As the concept of green living has gained popularity, people pay more attention to environmental protection in their lives. Harmful items such as used batteries are no longer thrown away at will, b...[Details]
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On January 8, Hikvision announced that it plans to convert its holding subsidiary EZVIZ Network into a joint-stock company and then spin it off to be listed on the Science and Technology Innovation B...[Details]
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Strategy Analytics' latest research report points out that global smartphone shipments in Q4 2019 were 375 million, which was stable compared with the same period last year. Apple ranked first with a...[Details]
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The Ministry of Finance and other four departments jointly issued a notice on further improving the financial subsidy policy for the promotion and application of new energy vehicles. With the release...[Details]
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Data released by the Passenger Car Association (CCCA) showed that the retail sales of new energy vehicles are expected to reach 450,000 units in July, a year-on-year increase of 102.5%. Tian Yulong,...[Details]
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The 94th China Electronics Fair will be held in Shanghai New International Expo Center from October 30 to November 1, 2019. The exhibition will focus on electronic components, integrated circuits, te...[Details]
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Abstract: Through a detailed analysis of the design of the preamplifier and main amplifier circuit of the photoelectric conversion circuit, the optimization processing methods of circuit amplificat...[Details]
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We are in an information age, and the digital flood is developing rapidly. A set of data shows that by 2020, the number of users in the entire online world will reach 7.5 billion, and there will be 50...[Details]
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The slide module is the most commonly used transmission component in automation equipment. There are many types of slide modules. During the selection process, if the wrong selection is made, it wi...[Details]
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1 Introduction
This type of CNC lathe was introduced from abroad in the 1980s. The original control panel consisted of a terminal, a terminal keyboard and a touch keyboard for controlling the ...[Details]
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According to Kyodo News, the World Trade Organization (WTO) announced on the 16th that South Korea, which claims that Japan's enhanced export control measures on three semiconductor materials are ina...[Details]
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On April 23, Fundamental Innovation Systems International LLC, a non-patent practicing entity (NPE), sued Lenovo, TCL and Belkin in the Delaware District Court for infringing its charging technology ...[Details]
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The throttling flowmeter is a typical differential pressure flowmeter. It is the most commonly used flowmeter in industrial production to measure the flow of gas, liquid and steam. According to survey...[Details]
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LCD TVs have always had the problem that due to the display characteristics of TFT LCDs, the response time of LCDs is relatively long, so the performance of dynamic images is not ideal. When displa...[Details]
Analogue and Mixed Signal
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