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Li Ting, our reporter On September 13, CATL released a commercial battery product for buses. The battery has a capacity density of 175Wh/kg and a battery life of 15 years and 1.5 million kilometers. F...[Details]
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When engineers use an oscilloscope to measure the output signal of a switching power supply, they often find that the signals of the two measurement channels interfere with each other (crosstalk). If...[Details]
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On October 19, Wanjie Technology released its third-quarter report for 2021. The company achieved revenue of 265 million yuan in the quarter, down 29.99% year-on-year, and net profit attributable to ...[Details]
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Examples of using super-regenerative radios to receive commercial FM radio stations can be found on major websites on the Internet. Because the circuit is very simple, it will be very impressive to...[Details]
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1. Circuit Design
The voltage of a nickel-metal hydride battery is only 1.2V, while the ultra-bright LED requires a working voltage of more than 3.3V to ensure sufficient brightness. Therefore,...[Details]
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In modern electronic circuit design, more and more flexible printed circuit boards (FPC) and high-speed printed circuit boards (PCB) are applied to the communication and complex electronic devices of ...[Details]
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In fact, high frequency and low frequency have their own advantages and disadvantages, and there is no absolute good or bad.
The advantages of high frequency inverters are mainly light weight a...[Details]
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Abstract: Using digital signal processor (
DSP
) as the control core, combined with the characteristics of high-voltage power supply in electrostatic precipitator, the control strategy and imple...[Details]
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When it comes to charging for Android, Google is more determined than Apple. Google said on Monday that developers must switch to Google's system before September 30, 2021, and no longer use indepe...[Details]
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Based on the development of modern medical simulation teaching, the cardiopulmonary auscultation skill training system based on MSP430 has changed the past use of radio frequency and special stetho...[Details]
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Vector network analyzers are a type of instrument with a wide range of uses. They can characterize S parameters, match complex impedances, and perform time domain measurements, etc. They are also one...[Details]
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Earlier, according to Jiwei.com, California Governor Gavin Newsom said last week that California will receive a refund of $247 million under an important protective mask transaction. The money was or...[Details]
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1. Introduction Detection technology is a widely used technology. In many fields, various processed parts and various moving objects are tested to ensure the qualified rate of products and the safety...[Details]
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Transphorm releases two 4-pin TO-247 packaged devices, expanding its product line for high-power servers, renewable energy, and industrial power conversion fields New Gallium Nitride FETs available...[Details]
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In the summer of 1987, when the then deputy director of the State Economic Commission visited Shanghai Volkswagen, he issued a warning in front of Chinese and German personnel: "If the proportion of ...[Details]
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