Semiconductor materials are electronic materials that have semiconductor properties (conductivity between conductors and insulators, resistivity in the range of about 1mΩ·cm to 1GΩ·cm) and can be used...
[i=s] This post was last edited by yjguohua on 2019-4-25 11:14 [/i] [color=#008000][backcolor=rgb(255, 255, 255)][font=Tahoma,]I would like to ask, how should I drill the heat dissipation holes on the...
As the title says, I saw a SGM38042 chip from Shengbang Microelectronics participating in an annual power management/voltage converter award voting today. I was immediately curious and learned about t...
Hello everyone! I disassembled a power supply board produced by another company, and I was curious about the craftsmanship in one place. It was the first time I saw it. What is the green layer next to...
1. What is RF?
Answer: RF stands for Radio frequency, which mainly includes wireless transceivers.
2. What are the frequencies of mobile phones in the world today (CDMA, GSM, landline, PHS, anal...[Details]
With the increasing appearance of mobile terminals in home scenarios, the application scenarios of home wireless networks are also increasing. Under the influence of the epidemic, demands such as rem...[Details]
With the rapid development of modern information technology, data collection technology is also constantly developing and plays an important role in information technology. Whether data is collected ...[Details]
HDB-E Handheld Transformer Ratio Group Tester Three-phase Power Transformer Test Method After selecting the “Three-Phase Test” item on the “Main Menu” screen, press the “Confirm” key to enter the “T...[Details]
The Switch OLED game console has been released, and Nintendo officially reminds players to make sure not to tear off the screen protector integrated into the new console. The OLED Switch's d...[Details]
TI's TPS6206x series is a 3MHz high-efficiency synchronous step-down DC/DC power converter with an output current of up to 2A. The input voltage ranges from 3V to 6V, and the efficiency is up to 97...[Details]
China Energy Storage Network:
Solar thermal power generation is becoming a rising star in the renewable energy industry. Why is solar thermal power generation a technology that can truly turn...[Details]
According to foreign media TechNave, whistleblower @RODENT950 claimed that Huawei may be testing a new 1/1.5-inch camera, which may be used in the Huawei Mate 30 series. The whistleblower @RODENT95...[Details]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[Details]
1 Introduction
In recent years, power electronics technology has developed rapidly, and DC switching power supplies have been widely used in various fields . Soft switching technology, especi...[Details]
0 Introduction The transmission line traveling wave fault distance measurement technology has always attracted the attention of relay protection professionals due to its advantages such as high d...[Details]
Preface With the development of society and economy in recent years, people have been pursuing higher and higher quality of home furnishings, and the comfort and intelligence of home life have bee...[Details]
On July 15, the "6th Supply Chain Innovation Technology Exhibition" of China FAW was grandly held at the headquarters of China FAW in Changchun. It is reported that Lishen Battery was invited to at...[Details]
It is common to measure current signals with a fixed bias voltage. Related applications include: carbon monoxide (CO) concentration meters, blood glucose meters, etc. This type of application is wi...[Details]
The Linux kernel writes the LED driver as shown in the figure: According to the diagram, we find that we need to write two parts: one is the APP, and the other is the underlying driver. The APP fin...[Details]
RF/Wirelessly
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