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According to the performance forecast released by BYD recently, the net profit in the first quarter is expected to be 50 million yuan to 150 million yuan, a year-on-year decrease of 79.99% to 93.33%....[Details]
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Some time ago, a customer asked me whether a power analyzer could test surge signals. Upon asking, I found that the surge signal the customer was talking about was actually the starting pulse at the ...[Details]
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Ground current or quiescent current (IGND or I
Q
), power supply ripple rejection ratio (PSRR), noise, and package size are often factors in determining the best LDO for portable a...[Details]
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Figure 1 shows an example of overvoltage protection, which is composed of Zener diodes Z1 and Z2, resistors R1 and R2, and diode D1. The common-mode voltage range of the MAX4372 amplifier is 0 to 28V,...[Details]
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On stage, sometimes it is necessary to turn off all live lights except the searchlights to create a special effect. The searchlight must shine on the actor. Since the searchlight is hung high on the c...[Details]
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Tesla's "Super Factory No. 3" in Shanghai is about to go into production, but the power batteries that go with it are lagging behind. On November 22, Panasonic CEO Kazuhiro Tsuga said that Panasoni...[Details]
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LED display (LED panel): LED is the abbreviation of light emitting diode, abbreviated as LED.
It is a display method that controls semiconductor light emitting diodes. It is roughly comp...[Details]
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Microwave oven/microwave, as the name implies, is a modern cooking stove that uses microwaves to heat food. Microwaves are a type of electromagnetic wave. A microwave oven consists of a power sup...[Details]
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April 9, 2019 - Shenzhen, the 7th China Information Technology Expo (CITE2019), hosted by the Ministry of Industry and Information Technology and the Shenzhen Municipal People's Government, opened gr...[Details]
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1 Introduction The miniaturized computer power supply for missiles is to reduce the size and weight of the power supply based on the original model, and serve as the supporting power supply for the ...[Details]
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Hall element Hall elements can be made of a variety of semiconductor materials, such as Ge, Si, InSb, GaAs, InAs, InAsP, and multilayer semiconductor heterostructure quantum well materials. It is a m...[Details]
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1 Introduction Analog/digital conversion is a very important part in modern measurement and control circuits. It has two data output forms: parallel and serial. At present, analog/digital converter ...[Details]
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"Germany plans to increase electric car purchase subsidies by half to 4,500 euros" is flooding screens everywhere. Let's discuss it. 1) Germany's idea of raising subsidies According to a governmen...[Details]
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A few days ago, digital blogger @数码闲聊站 exposed the charger of realme's new flagship. He revealed that the charger supports 20V 6.25A up to 125W super flash charging, and the compatible protocol is go...[Details]
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Simple fota upgrade method, only for parameters. /****************************************************************************************************************************************** * @file...[Details]