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The MAX5980 is a quad-power-source equipment (PSE) power controller designed for use in IEEE® 802.3at/af-compliant PSEs. The device provides powered device (PD) detection, classification, current limi...[Details]
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Jiwei.com News (Text/CrazyTin), despite the shrinking tablet market, there are still manufacturers struggling to hold on. After Apple recently released the new generation of iPad Air and iPad mini, S...[Details]
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1 Introduction
Multi-parameter monitors are widely used in ICU, CCU, wards, operating rooms, etc. At present, my country also has products with independent intellectual property rights, su...[Details]
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1 Introduction
Switching power supply is a kind of power supply equipment with a wide range of uses. However, with the continuous increase of switching frequency and switching speed, the elec...[Details]
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This is very important. UPS cannot provide rated active power under any load conditions. For example, when a UPS with a load power factor of 0.8 carries a load with an input power factor of 1, it can...[Details]
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When analyzing the driver writing process, you will encounter many hard-to-find problems. At this time, the debugging method is very important. The following introduces the method of debugging the ...[Details]
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The "Quality" program hosted by CCTV's famous host Li Yufei was broadcast on the Central Discovery Channel. Xiamen-listed company Yingqu Technology appeared on the CCTV big screen and won wide attent...[Details]
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PLC control system is a program control device, which controls the state of input/output (I/O) signals through pre-written programs, thereby realizing automatic control, monitoring and operation of...[Details]
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The social and commercial significance of meteorological information has been deeply rooted in the minds of modern business people, and meteorological technology services have penetrated into all...[Details]
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Quartz crystal oscillator is called "crystal oscillator" for short. It is widely used in electronic clocks, intercoms, single-chip microcomputers, color TV display line field oscillation frequency ...[Details]
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The microcontroller source program is as follows: /* RFINT cannot use PA1, change the board to PC6 */ /* Includes ------------------------------------------------------------------*/ #define MAIN_C...[Details]
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It is also generally called insulation resistance megohmmeter, digital megohmmeter, electric megohmmeter, etc. It is an instrument for measuring high resistance and is often used to measure the insul...[Details]
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The central air conditioning terminal controller is one of the most important devices in the central air conditioning system and is of great significance to the energy saving of central air conditioni...[Details]
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Most cell phones today use the Time Division Multiple Access (TDMA) standard, a multiplexing technique that modulates a high-frequency carrier wave with on/off pulses at 217 Hz. An IC that is suscepti...[Details]
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The quality of fabric pretreatment directly affects the quality of the subsequent processes (dyeing, printing, finishing, etc.) . The printing and dyeing technology of some European and American co...[Details]