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Mobile phones are the most important application for power management ICs. Multimedia and 3G mobile phones have increasing demands for high-definition video, multimedia data streams, audio playback...[Details]
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1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer, uses MCS-51 assembly language, and designs a microwave pulse ...[Details]
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Central topics: LED brightness control White LED and battery technology Backlight driver topologies RGB-LED backlighting Keyboard backlighting and other decorative lighting Nowadays, most porta...[Details]
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According to foreign media reports, Micron Technology stated that it has reached a global settlement agreement with Fujian Jinhua Integrated Circuit Co., Ltd. A Micron spokesperson said in an email t...[Details]
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Foxconn, as everyone must know, is an electronics manufacturer founded in 1974 and headquartered in Taipei, Taiwan. The group has been committed to R&D and innovation for many years, focusing on core...[Details]
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2. Supplement and expansion 1. Generation of interrupt request signal ①1NT0 and 1NT1: external interrupt 0 and external interrupt 1. The interrupt request signals are input by P3.2 and P3.3 pins ...[Details]
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PHEV vs HEV After talking about pure electric vehicles, let's compare PHEV and HEV. Although the total number of these two is much smaller, PHEV (10,361 units) is much smaller than HEV (27,721 units)...[Details]
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Conventional motors, except for special structures and special conditions that cannot be reversed, can be reversed regardless of whether they are DC or AC.
For ordinary small and medium-...[Details]
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As the application of power electronic equipment becomes more and more extensive, the power load increases. Some of the impact and nonlinear loads cause voltage waveform distortion, voltage fluctuatio...[Details]
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Industrial sites often need to isolate RS-232 and RS-485 at the same time. Usually, two isolated DC-DCs are used with a separate signal isolation circuit. However, the isolation performance varies an...[Details]
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Jiwei.com News: On December 20, Shenzhen Tianma A issued an announcement stating that the company's wholly-owned subsidiary Xiamen Tianma and the investors designated by the Xiamen Municipal Governme...[Details]
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When thinking about the National Day holiday, people are somewhat excited and a little nervous. The excitement is of course that after a busy period of time, I can finally have a good rest and go on ...[Details]
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How to build a small stand-alone
alarm circuit
using CMOS
illustrate
This is a selection of small standalone alarm circuits. The main features of each alarm are des...[Details]
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Abstract: The chip component AD20msp415 can be used in mobile phones with three modes of mobile communication systems, including GSM/DCS1800/PCS1900. It has a high degree of integration, is easy...[Details]
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The ADS7845 touch screen controller used in personal digital assistants, pagers, portable instruments, etc. is a 12-bit sampling A/D converter with a synchronous serial interface and a low on-resista...[Details]