[i=s]This post was last edited by qwqwqw2088 on 2021-4-20 10:07[/i]Description of the problem:The customer requested to select an AC/DC flyback chip with higher efficiency than the general UC384X or U...
2SK2837 is a commonly used field effect tube in common AC-DC switching power supply products. With the shortage of domestic chips and the problem of the 2020 epidemic, field effect tubes are gradually...
void AD7708WriteRegister(char addr,long dat){SpiWriteData(addr); //Write the communication register and notify the next operation: write the addr register if(IsLong[addr]) {SpiWriteData(dat>>8);} char...
The tremendous growth of the wireless communications industry means that there has been an explosion in the testing of components and subassemblies for wireless devices, including the testing of the v...
Due to the defects of the Bluetooth security protocol itself, mainstream Bluetooth chips from companies including Apple, Intel, Samsung, Qualcomm, CSR, etc. are facing the threat of BIAS counterfeit a...
Q: What is the main parameter of S parameter? A: The English name of S parameter is Scattering parameter. It refers to the characteristics of the component's reflected signal and transmission signal,...[Details]
According to Espressif's official WeChat account, on November 30, 2019, Espressif's flagship chip ESP32 passed the Bluetooth LE 5.0 certification of the Bluetooth Technology Alliance (Bluetooth SIG)....[Details]
Recently, Tiantian Auto learned that Amap has been updated to the new version V10.76 and launched AR walking navigation, which will bring users a clearer navigation experience. This navigation reli...[Details]
The MIX Alpha released by Xiaomi last year left a deep impression on many people, so there were rumors that a new version of MIX Alpha would be launched and would be equipped with Qualcomm Snapdragon...[Details]
Computer vision has gone through its inception, explosion, and peak, and is now returning to rationality. In the future, it will make great progress in four aspects: data, models, learning mechanisms...[Details]
SMD912 isolated external solution Input voltage range: AC90V~264V Output voltage: constant voltage 12V Output current: constant current 1A Efficiency: greater than 75% Output ripple and noise: less ...[Details]
With the rapid development of electronic technology, modern electronic equipment has been widely used in various fields of human life. At present, electronic equipment has been in a period of rapid d...[Details]
1 /*The voltage meter is accurate to three decimal places*/ 2 /* Connection: potentiometer to IN0, AD_CS to CS0, CS1 to KEY/LED_CS*/ 3 #include reg52.h 4 typedef unsigned char uchar; 5 xdata uc...[Details]
First is the 2440 storage controller:
For now, regardless of whether it is booted from nand or nor, because I am only concerned with memory, from the above figure, you can see that the a...[Details]
As an important part of the smart grid, the technical standards of smart energy meters are constantly developing, which makes the corresponding chip technology also improve day by day. Taking the s...[Details]
Wireless charging technology refers to a technology that uses electromagnetic wave induction principles or other related AC induction technologies to charge devices with batteries without the aid...[Details]
It’s hard to ignore the fact that mobile phone charging speeds have become a little crazy in the past few months. From 30W to 40W two years ago, to 65 to 120W now. In theory, if you have a phone that...[Details]
Newly disclosed research shows that Apple is studying how to keep iPhone sensors working accurately in situations of high water pressure or low air pressure. Typically, when Apple is granted ...[Details]
Tianyancha shows that Sichuan Times New Energy Resources Co., Ltd. was established recently with a registered capital of RMB 1 billion. The legal representative is Qu Tao. The business scope includes...[Details]
Recently, Silicon Labs released its third-quarter 2024 performance report, with both revenue and profit exceeding the expected median. Revenue in the third quarter was US$166 million, a 14% increas...[Details]