This article will be divided into three parts to explain the definition of antenna isolation, several key factors affecting antenna isolation, and how to improve the isolation of terminal antennas. I ...
With the development of wireless communication technology and the improvement of data processing capabilities, location-based services have become one of the most promising Internet services. Whether ...
This is the power supply I saw. There are two kinds of inductors in the power supply. One is an ordinary enameled wire inductor, and the other is wound with "silk wire". Does this kind of inductor hav...
In high-speed wireless communication systems, signals must be up-converted or down-converted before they can be propagated and processed. This frequency conversion step is traditionally called mixing ...
[i=s]This post was last edited by Northwest by Northwest1959 on 2022-7-18 16:27[/i]Domestic 51 single chip microcomputer
TU8010CQF, suitable for atomizer, humidifier, power management, motor drive, wi...
When using a transistor in the amplification area, which thermal resistance should be considered after considering the power? How to choose? How much power can be used? The thermal resistance of the u...
According to foreign media reports, in order to make electric vehicles a mainstream product, more cost-effective, safer, longer-lasting batteries are needed, and they will not explode or harm the env...[Details]
1 Introduction The commonly used micro-pin printers are slow and noisy, and cannot meet the needs of some occasions. Micro thermal printers have the advantages of fast printing speed, low noise, high...[Details]
Wireless charging is not a new technical solution. In fact, there are a lot of wireless charging applications in our daily life, such as electric toothbrushes, electric shavers, and other consumer el...[Details]
China Energy Storage Network:
With the rapid advancement of China's energy transformation, it is expected that by 2025 and 2030, the proportion of renewable energy power generation in the t...[Details]
Helian Electronics, a professional authorized distributor of interconnect and electromechanical products, was recently invited to participate in the "2019 Huaqiang Electronics Network Quality Supplie...[Details]
Last week, a netizen leaked the concept map of vivo's new flagship X70 series, which sparked heated discussions among netizens, but the credibility was not high. Digital blogger @数码闲聊站 recent...[Details]
In the development of single-chip microcomputers, we can implement a printf function ourselves with the help of the vsprintf function, but that is something that the IDE does for us. When I first w...[Details]
I. Introduction DMA will establish channels between different registers/RAM/storage devices and automatically transfer data to free up the CPU. For example, if you want to use the DAC module to outpu...[Details]
Not long ago, CATL released the third-generation CTP Kirin battery. A major highlight of this battery system is that it enables a vehicle range of 1,000 kilometers. The driving range has always bee...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
With the rapid development of the Internet of Things, high-tech has become the most competitive core technology development project in the 21st century. With the development of science and technolo...[Details]
According to China News Service, yesterday (26), the head of the Shenzhen Municipal Bureau of Industry and Information Technology revealed at the Huaqiangbei 5G life experience event that the number ...[Details]
Change the input voltage peak value Uim=100mV of the function signal generator M3 (1N4003), observe the output waveform with an oscilloscope, and measure the output voltage by moving the oscilloscope...[Details]
Let's take a look at the contents of the two functions we added in the timer.c file: TIM_ICInitTypeDef TIM5_ICInitStructure; //Timer 5 channel 1 input capture configuration //arr: auto reload value ...[Details]
The PT100 temperature sensor is a temperature measurement device widely used in the industrial field. Its working principle is based on the characteristics of platinum resistance changing with temp...[Details]
RF/Wirelessly
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