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Abstract: This paper introduces a discharge system using IGBT power devices, PWM control and constantan resistance alloy as the discharge resistor. The discharge current is continuously adjustab...[Details]
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When I started to study the principles of spectrum analyzers, I once had this doubt: "Why does reducing VBW not reduce the noise floor?" In fact, whether you can think clearly about this problem will...[Details]
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Tianyancha information shows that Edelman Hydrogen Energy Equipment Co., Ltd. received RMB 100 million in Series A financing, invested by Qingxin Capital. Public information shows that Edelman Hydro...[Details]
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In April 2019, SAIC Roewe released a very special car: Marvel X Pro. As a fully upgraded version of Marvel X released a year ago, its most special feature is the substantial upgrade of the "AI Pilo...[Details]
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Over the past year, the industry has witnessed the harsh environment of the smartphone market. As new products and technologies are still in the R&D stage, consumers’ desire to buy smartphones has be...[Details]
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Basic concepts (CMSIS): Cortex Micro-controller Software Interface Standard, microcontroller software interface standard. 2. CMSIS standard file structure: a) core_cm.c (stdint.h) b) system_.c (...[Details]
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Automated visual inspection has been widely used in various fields of today's production environment, from semiconductors, electronics, food and beverage, pharmaceutical packaging, automotive manufac...[Details]
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Both bit and sbit are variable types extended by C51.
Bit is similar to int char, except that char = 8 bits and bit = 1 bit. They are all variables, and the compiler assigns addresses during the comp...[Details]
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On August 28, Zhonghuan Semiconductor Co., Ltd. released its 2020 semi-annual report. In the first half of this year, Zhonghuan Semiconductor Co., Ltd. achieved a total operating income of 864,417.62...[Details]
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The specific requirement of wanting a longer battery life makes us constantly pursue various concept designs to meet our growing needs. Therefore, the work on improving battery performance is mainl...[Details]
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Japan is accelerating the formulation of L4 autonomous driving regulations. On October 27, the Japanese Police Agency stated that the amendment to the Road Traffic Act is scheduled to be implemented ...[Details]
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According to foreign media reports, Elon Musk revealed in an interview with TED host Chris Anderson that more than 100,000 drivers have participated in Tesla's FSD beta project. Musk also said...[Details]
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In order to be able to monitor a large number of loads online. Many companies have earlier developed comprehensive distribution measurement and control instruments based on single-chip microcomputer ...[Details]
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Mr. Ross Jatou, VP and General Manager of the Automotive Sensing Division and Intelligent Sensing Group of ON Semiconductor, said, "It will take some time to realize the mass production of driverless...[Details]
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The online UPS synchronous phase-locked circuit is shown in the figure. It is composed of a crystal oscillator, a frequency divider, a synchronous signal selector, etc.
Figure 1. Online UPS sync...[Details]