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The 125W Class D subwoofer power amplifier circuit designed with LM4651 and LM4652 is shown in the figure. The output power of the amplifier is 125W at total harmonic distortion THD=1%, load impeda...[Details]
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AVL held an online seminar "Vehicle Benchmark of the BMW iX", which mainly discussed BMW's iX models and also demonstrated its benchmarking testing capabilities. BMW's pure electric sales in 2021 wil...[Details]
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The advantage of using the serial port to drive the 1602 LCD is obvious, that is, the serial port can save the limited IO port of the microcontroller. This program only uses four lines to complete the...[Details]
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In 2020, "new infrastructure" became a hot word in China's economy. The central and local governments frequently "spoke out" and relevant policies were intensively introduced to guide and safeguard t...[Details]
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From August 28 to August 31, the 2023 International Display Industry Summit Forum and the International Display Technology Application Innovation Exhibition (DIC 2023) were grandly held in Shangh...[Details]
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Maintenance precautions for UPS power supply
The maintenance and use of UPS power supply are inseparable. There should be scientific usage and correct maintenance methods to achieve high utili...[Details]
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The stepper motor is an open-loop servo motion system actuator that is controlled in a pulsed manner and outputs angular displacement. Compared with AC servo motors and DC servo motors, its outstan...[Details]
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Background of the birth of mobile phone battery repair device:
Due to the development of contemporary society, almost everyone is using mobile phones. Mobile phones have become an indispensabl...[Details]
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There are many video image acquisition methods at home and abroad, which can be basically divided into two categories: automatic image acquisition and processor-based image acquisition. Automatic imag...[Details]
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1 Introduction
There are currently five challenging issues with switching power supplies, one of which is whether they can be miniaturized. An important way to miniaturize switching power supp...[Details]
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In today's ever-changing world, Yuanding Intelligent (per), which focuses on smart garden solutions, has once again brought exciting news. This leader in the swimming pool field has recently succes...[Details]
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Experiment name: Application of power amplifier in the study of microporous piezoelectric ultrasonic atomizer for high viscosity fluid
Experimental equipment:
Laser particle size analyzer...[Details]
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Space optical communication is a new type of communication technology that uses light waves as carrier waves to transmit information wirelessly in space. It has the advantages of high confidentiality,...[Details]
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There are many application systems in the airport, and many of them need to exchange information with the security monitoring system. Therefore, when building the system, the integration requiremen...[Details]
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Samsung, a major screen manufacturer, has previously launched its first foldable screen phone, the Galaxy Fold. Its unique shape and cool usage have excited users. Currently, the mainstream foldable ...[Details]
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