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While there are many instruments that can accurately measure small DC currents (up to 3A), few can accurately (better than 1%) measure DC currents above 50A. This large current range is typical of l...[Details]
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Experiment name: Application of power amplifier in the forward and reverse motion experiment of the curved composite ultrasonic motor excited by a single signal
Research direction: Ultrasonic ...[Details]
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Although TV manufacturers generally don't use "gamma" itself as a selling point, the term has been around since the days of cathode ray tube (CRT) TVs and remains an important behind-the-scenes featur...[Details]
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Last night, Hong Kong's famous singer and diva Coco Lee died of depression at the age of 48. Fans were shocked by the sudden bad news. She left her sweet and warm smile and enthusiastic and cheerfu...[Details]
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IT Home reported that at the Second China Optics Valley Artificial Intelligence Conference and Entrepreneurs Summit on July 25, Xu Yingtong, President of Huawei's Ascend Computing Business, reported ...[Details]
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HMD Global has been quite slow in rolling out Android 11 on its devices, and a new Android 11 upgrade plan released by the manufacturer recently shows that the update will arrive later for some phone...[Details]
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Abstract: With the rapid development of the electric vehicle industry, the use of pure electric vehicles has become more and more common. During the normal operation of the car, lithium batteries w...[Details]
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At present, PFC converters based on UC3854A control have been widely used. Studies have shown that this type of converter can exhibit rich dynamic behaviors, including bifurcation and chaos. Once t...[Details]
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On July 11, the US DigiTimes reported on Sage Micro's new round of financing. The full text is as follows: Recently, Sage Microelectronics Corp. (Sage Microelectronics Corp.), a chip design comp...[Details]
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Rising prices for chips and the electronic devices they drive could continue into 2022 as TSMC, the world’s largest contract chipmaker, joins its competitors in announcing a fee hike. Semiconductor p...[Details]
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There is finally new news about OPPO's K series of mobile phones that focus on the online market, and it is quite important. According to the well-known digital blogger @数码闲聊站, the upcoming OPPO K3 w...[Details]
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There are precautions when using power testing equipment. Here are some examples of precautions for using a fully automatic ratio group tester. 1. The overcurrent fuse is 0.5A. If the test line...[Details]
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Before making the circuit, let's take a look at the MAX232 to be used. We will not discuss it in detail here. Just know that it is a chip that converts TTL and RS232 levels and has basic pin ...[Details]
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This article will explain how to improve the long-term reliability of a high voltage lithium-ion battery pack by using
the
LTC6801
fault monitoring
IC. There is a continuing tre...[Details]
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Based on the principle of electromagnetic induction, an electromagnetic launch model was designed and manufactured. The model uses a photoelectric sensor to trigger a three-stage coil to accelerate th...[Details]