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Single-key means that each key occupies a pin of a single-chip microcomputer. The characteristics of this connection method are that the circuit and program are very simple, but the disadvantage is th...[Details]
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Some people are confused when they see that OPPO and vivo phones, which do not have top-notch performance and are priced high, have good offline sales. They think that OPPO and vivo are too good at d...[Details]
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The power of the transistor is that it can control a large current through a small current. The principle of amplification is to control a large static DC through a small AC input. Suppose the transi...[Details]
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Shanghai, China, March 29, 2024 -
At the 2024 Munich Shanghai Photonics Expo held concurrently with Semicon China, Jingnuowei (Shanghai) Technology Co., Ltd. (hereinafter referred to as Jingnuo...[Details]
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1. The clock module consists of a high-speed crystal oscillator, a low-frequency crystal oscillator, a digitally controlled oscillator DCO, a frequency-locked loop FLL, and an enhanced version of the ...[Details]
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1 Introduction
In power production and electrical testing, it is often necessary to measure power frequency voltage and frequency. There are many types of power frequency voltage meters and fre...[Details]
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introduction
In recent years, with the rapid development of power electronics technology, the body of the permanent magnet brushless DC motor and its related control technology have developed rap...[Details]
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China Energy Storage Network News:
On the 22nd, the environmentally friendly gas cabinet project independently developed by Zhongneng Electric in Fuqing Rongqiao Development Zone was official...[Details]
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When using a digital multimeter, you need to look not only at the basic specifications, but also at its features, functions, and overall design production objectives. The following are the basic obje...[Details]
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Power line carrier communication uses existing power lines to transmit signals. Its working principle can be briefly described as follows: data or voice is modulated on a carrier frequency of ...[Details]
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A signal generator is a device that provides electrical signals of various frequencies, waveforms and output levels. When measuring the amplitude characteristics, frequency characteristics, transmiss...[Details]
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Batteries are an indispensable partner in our lives. While they serve us, they can also be harmful to us if used improperly, such as explosions that cause physical disability. Why do batteries explod...[Details]
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Recently, the Public Security Bureau of Fujian Gulei Port Economic Development Zone cracked a "million-chip case", successfully recovered 52 stolen high-tech chips, arrested 4 criminal suspects, and ...[Details]
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On February 21, the Shenzhen Development and Reform Commission issued a notice on further standardizing the management of new energy vehicle charging and swapping facilities. It proposed to strengt...[Details]
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Low-voltage electrical appliances play a vital role in the power system. They are responsible for controlling and protecting the normal operation of the circuit. Among the many low-voltage electric...[Details]
PCB Design
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