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Star-delta starting is a three-phase asynchronous motor that runs in delta connection. In order to reduce the starting current, it uses star connection to start and then changes to delta operation ...[Details]
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On January 8, Xinwei Communication responded to multiple questions from investors on the interactive platform. It said that the current wireless charging market has a large space and is in a stage of...[Details]
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The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzyme reaction, the current generated will increase as the blood glu...[Details]
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According to The Verge, Spotify now has more than 100 million paying users worldwide, setting a new milestone for the company with a year-on-year growth rate of 32%. If free users are included, Spoti...[Details]
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On November 18, the battery factory jointly built by Gotion High-tech and Vietnam VinGroup officially started construction in Vietnam's Ha Tinh Economic Development Zone. The first phase of the pro...[Details]
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The time unit inside the microcontroller
Oscillation frequency fosc = quartz crystal frequency or external input clock frequency
Oscillation period = the reciprocal of the oscillat...[Details]
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Crystalline silicon cells have made great progress in the past 20 years. The adoption and introduction of many new technologies have greatly improved the efficiency of solar cells. In the early resea...[Details]
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With the progress of society and the rapid development of urbanization, our living environment is becoming more and more complex, and the noise pollution we are exposed to is also increasing. Altho...[Details]
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Friends who often use Tektronix oscilloscopes or know about oscilloscopes may have heard of the "5x rule" of oscilloscopes. What does it mean specifically? Why is there a 5x rule instead of a 3x or 4...[Details]
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Speaking of solid-state batteries, they are now the focus of research for new energy vehicle companies. Whoever can make a breakthrough in this field can almost redefine consumers' understanding of n...[Details]
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A wavelength converter
based on DFB laser was designed and implemented
. The wavelength converter is divided into three modules: receiving, temperature control and transmitting. The recei...[Details]
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On November 20, Barclays analyst Tom O'Malley pointed out in a research report that his team confirmed that the iPhone SE 4 will be the first to be equipped with Apple's self-developed 5G baseband,...[Details]
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Uboot version: u-boot-2013.01 1. Definition and use of gd structure gd_t and bd_t are two important data structures in u-boot. Many initialization operations rely on these two data structures to ...[Details]
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Synchronous pulse generator capable of detecting the zero point of AC power waveform
Function of the circuit
This zero point detection circuit can synchronize the AC signal of the power supply...[Details]
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1 Composition principle of high-frequency switching power supply
High-frequency switching rectifier generally directly rectifies and filters the AC power into DC power through diodes, and the...[Details]
RF/Wirelessly
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