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With the continuous development of science and technology, the application of multi-channel output low-voltage DC switching power supplies is becoming more and more widespread. Traditional multi-ch...[Details]

At present, domestic reactive power compensation product controllers generally use AC contactors or thyristors as switching elements to control the on and off of capacitors. Reactive power com...[Details]

Abstract: High-definition video applications have become a hot topic in the market. In order to meet the actual needs of more and more high-definition video acquisition and encoding, Fullan Microel...[Details]

The principle of the digital gear circuit is as follows: The gear circuit is shown in Figure 1. It is an expansion of the 200mv basic meter. The +2.8v internal reference voltage is drawn from the "v+...[Details]

Sichuan, a province of thousands of rivers, has three rivers that are particularly eye-catching: from the Qinghai-Tibet Plateau to the Sichuan Basin, the Jinsha River with a natural drop of 5,100 mete...[Details]

First, here is a general block diagram of the page table structure of the arm mmu (the following discussion is gradually expanded from this diagram): The above is the typical structure of the arm's...[Details]

How to get a picture that fits your screen size? I wasted a lot of time when I was using TFT to display pictures. Now I summarize the usage based on my experience as follows for your reference in lear...[Details]

The basic principle of DDS is to use the sampling theorem to generate waveforms through table lookup. There are many types of DDS structures, and its basic circuit principle can be represented by F...[Details]

What does lbs mean? Location Based Service (LBS) is a location-based service that obtains the location information (geographic coordinates, or geodetic coordinates) of mobile terminal users through t...[Details]

1. Introduction I2C (Inter-Integrated Circuit) bus is a two-wire serial bus developed by Philips, used to connect microcontrollers and their peripherals. I2C bus was created in the 1980s and was orig...[Details]

Hardware: STC12C5A60S2 Function: To realize PWM wave generation. The program cycle is 256ms and the output port is P1.3. Code: #include "r...[Details]

This article introduces some common field test schemes and field test purposes of digital TV systems. Its working scope includes receiving, demodulating and restoring transmitted data. Digital TV test...[Details]

Today, digital reading is increasingly favored by readers due to its rich content resources and easy-to-carry devices. It has become the main way for Chinese people to obtain knowledge and informatio...[Details]

1. Introduction In recent years, with the rapid development of microwave and millimeter wave technology, higher requirements have been put forward for broadband microwave and millimeter wave test in...[Details]

In 2019, more than one-third of global mobile users used 4G technology, and 5G accounted for less than 3% of the total. This means that 5G still has a long way to go before it can be adopted by the m...[Details]