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Effective permeability of switching transformer
As pointed out before, the magnetic permeability used to represent the properties of the medium is not a constant, but a nonlinear function, whi...[Details]
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Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
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Recently, the "Chengdu electric car elevator internal combustion incident" shocked the whole country. From central media to local media, many groups followed up. Local fire safety supervision and m...[Details]
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In transistor receivers and amplifiers, push-pull power amplifier circuits are widely used. Traditional push-pull circuits always require input transformers and output transformers. This transforme...[Details]
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; 12864 interface program (MCS51 analog port mode)
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; Wiring diagram: *LCM---8031* *LCM---8031* *LCM------------8031* *LCM--------...[Details]
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The current electric drive system faces many challenges. One is the problem caused by the cost system, the other is the need to reduce size and weight, the third is the independent research and devel...[Details]
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The battery is not marked with the ampere value, so you cannot use a digital multimeter or other instrument panel to accurately measure the battery ampere value. You can only accurately measure the w...[Details]
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China Energy Storage Network News:
According to the acceptance standards of the North China regional grid company, comprehensive and multi-level calibration of the integrated measurement and ...[Details]
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For STM32 (still taking Timer2 as an example), external interrupt channel position 28 (priority 35) is for external device TIME2, but TIME2 itself has many interrupt sources or events that can cause ...[Details]
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When making white light LEDs that synthesize RGB three primary colors, the following issues must be noted:
(1) The dominant wavelengths of light emitted by the three LED chips are generally: 6...[Details]
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1 Introduction
In most cases, the speed of a motor is an essential quantity for closed-loop control. Since most motor controls require that the detected speed must be real-time and accurat...[Details]
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China Energy Storage Network:
The energy industry has entered a new pattern, and China's supply structure needs to be optimized.
In recent years, global energy demand has grown slo...[Details]
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PI Expert is a computer-aided design software for single-chip switching power supplies launched by PI, also known as the PI Expert expert system. The current version is 9.0. It can automatically gene...[Details]
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What is a Serial Port There is no doubt that the serial port is the first communication interface we come into contact with. Whether it is serial port debugging or communication with peripherals, the...[Details]
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TSMC’s 5nm and 3nm processes are among the company’s “hottest” products on the market, with the Taiwanese giant reportedly seeing 100% utilization. It’s no secret that TSMC is by far one of the mos...[Details]