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A simple modification to the PFM boost control circuit can achieve higher conversion efficiency. By increasing the resistance of the current limiting resistor RSENSE and connecting the output filte...[Details]
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Can a reed switch be used to directly control the start and stop of a motor? Toy motors are commonly used power devices that can convert electrical energy into mechanical energy and can be used to ...[Details]
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In the past, when LEDs were only used as status indicators, heat dissipation in LED packages was never a problem. However, in recent years, as the brightness and power of LEDs have been actively impr...[Details]
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From IPTV streaming to FaceTime video, enterprise video applications are growing rapidly. Typically these videos are sent and received via mobile devices connected to the enterprise wireless LAN. No...[Details]
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As one of the new generation lighting technologies, LED lighting is ushering in a period of full popularization. In order to improve the performance of the final product. Shenzhen Huawei Century Opto...[Details]
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The pulse voltage on the collector of IGBT (Q1) is divided by R76+R77 and R53 and sent to the base of Q6. The sampled voltage is obtained at the emitter. This reflects the change of the voltage of Q1...[Details]
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With the rapid development of mobile communication technology, the number of mobile communication base stations in the current urban environment is constantly increasing, and a large number of...[Details]
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The average power absorbed by the three-phase load is equal to the sum of the average power absorbed by each phase load, that is:
(4-5-1)
In the formula,
,
,
are the ...[Details]
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The connection between the various levels of audio equipment is very important. If the connection is not done properly, it will not only affect the playback effect of the equipment, but may even damag...[Details]
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1. Introduction
Wireless Sensor Network (WSN) is a self-organizing network that achieves a specific task through the collaborative work of a large number of low-cost, resource-constrained sensor ...[Details]
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Sensors and sensitive components are basic products in the electronic information equipment manufacturing industry, and are special components among the new electronic components that are being develo...[Details]
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Introduction Weak Signal Detection is a subject that continues to develop with engineering applications. It uses electronics, information theory and physics methods to analyze the causes and rules ...[Details]
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3 Usage Method A good book for learning AVR microcontrollers is "Principles and Applications of AVR Microcontroller Embedded Systems", the cover of which is shown in the figure below. AVR is genera...[Details]
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1. Working principle
of DC generator The working principle of DC generator is to convert the alternating electromotive force induced in the armature coil into DC electromotive force when ...[Details]
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The high-speed operational amplifier is a multi-stage amplifier with high amplification factor. Under deep negative feedback conditions, it is easy to generate self-oscillation. In order to make the ...[Details]
GD32 MCU
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