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"This article discusses the implementation of a SPWM generator, which is one of the most widely used methods for implementing power inverters commonly used in applications such as motor control and r...[Details]

Forward Voltage Test The forward voltage (VF) test verifies the forward DC characteristics of the laser diode. During the measurement, the current IF is swept and the voltage drop across the laser di...[Details]

This article introduces the design of a high-precision, wide-frequency power signal source for instrument and equipment testing. Traditional power signal sources generally use linear power supplies or...[Details]

Most people think that MediaTek is a mobile phone chip company, but in fact, MediaTek's business is diversified. Taking the second quarter of 2021 as an example, mobile phones accounted for 57% of it...[Details]

According to foreign media reports, before the popularity of self-driving cars, modern vehicles were already equipped with sophisticated computers. More and more connected vehicles require 150 millio...[Details]

Application of PLC in Motor Control of Water Industry Keywords: three-phase asynchronous motor, PLC, ladder diagram, programmer 1 Introduction Programmable Logic Con...[Details]

After the commercialization of 5G, great changes have taken place in all countries, and everyone has used 5G to deploy various industries. Today, it is reported that after the commercialization of 5G...[Details]

After releasing news about "super flash charging" and "small light design", OPPO has recently warmed up the new Reno4 SE again, exposing the core information of the phone in multiple forms. It is und...[Details]

Interferometer is a universal length measuring tool that uses the Michelson interference system to measure displacement with the laser wavelength as the known length. There are two types of laser i...[Details]

Soil is one of the basic elements of terrestrial ecosystems and one of the material bases for human survival. The soil environment is not only directly related to ecological security and agricultural ...[Details]

On April 8, according to Xinlian Integration, the NIO & Xinlian Integration Partner Conference and NIO's self-developed SiC module C sample rolled off the production line on March 29. In...[Details]

Portable devices using LED-based solid-state lighting (SSL) require efficient driver circuits to extend battery life, and also require some method of dimming to adjust the light output to suit th...[Details]

2019 is a year of industrial sinking. When the population dividend and land dividend of first-tier cities are exhausted, many industries are on the road of sinking to third- and fourth-tier cities. T...[Details]

Use the button as an interrupt trigger. When the button is pressed once, the LED light flips once. First, initialize the IO port. The button is connected to the PC4 port. By default, it is at a hig...[Details]

Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core (magnetic core). In electrical ...[Details]