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1 Introduction
For the measurement of capacitance sensors, the traditional circuit method has its insurmountable limitations. The complex analog circuit design and the difficult to expand capa...[Details]
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On the evening of April 27, Laibao Hi-Tech issued an announcement stating that the company's operating income in the first quarter of 2021 was 1.9 billion yuan, a year-on-year increase of 73.93%; the...[Details]
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Simple temperature controller using 555 time base circuit: A temperature automatic controller composed of 555 time base integrated circuit and few peripheral components. Because the voltage at eac...[Details]
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Main performance and range requirements of multimeters Sensitivity is an important parameter of multimeters, and DC voltage sensitivity is usually the most important. Multimeters with high sensitivi...[Details]
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Shadowless lamps are an essential and important device used to illuminate surgical sites. They are required to be able to optimally observe objects of different depths, sizes, and low contrast in t...[Details]
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Non-isolated buck type is a commonly used power supply structure now, which accounts for more than 90% of fluorescent lamp power supplies. Many people think that non-isolated power supplies only ha...[Details]
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Recently, the author found in a logistics call system project based on fieldbus on a large production line in a factory that due to the large amount of information flow to be displayed, the exist...[Details]
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A quartz crystal oscillator is an important electronic component used to stabilize and select frequency, also referred to as a "crystal oscillator". Because quartz crystal oscillators are small in si...[Details]
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(1) Use resistance measurement method to identify the electrodes of junction field effect transistors According to the phenomenon that the forward and reverse resistance values of the PN junction o...[Details]
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It is specially used to measure insulation resistance, because it can output a high voltage of more than several hundred volts and can more accurately measure the insulation degree of electrical appl...[Details]
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Negative electrode material manufacturers are accelerating the pace of building factories overseas. So far, leading manufacturers including Shanshan Co., Ltd., B&T Battery, Putailai, Zhongke Electr...[Details]
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IT Home reported on April 6 that Nokia has previously stated that the new product launch conference will be held on April 8. Nokia C20 has now obtained Bluetooth certification with the model...[Details]
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Traditionally, power grids consisted of devices that worked independently; maintenance often used inspection reports filled in manually. With the digitization of devices such as protection relays, ci...[Details]
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The following series of delays are all formed by using the charging time of an external RC branch on the RST pin of the microcontroller. The typical reset circuit is shown in Figure 3 (a), where th...[Details]
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Introduction to LDO
LDO is a micro-power low-dropout linear regulator, which usually has extremely low self-noise and high power supply rejection ratio PSRR (Power Supply Rejection Ratio)....[Details]
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