Selection of chip beads and chip inductorsThe function of chip beads is mainly to eliminate RF noise in transmission lines.Chip beads are composed of soft ferrite materials and form a monolithic struc...
In the AT32F403 series of Arteli microcontrollers, there is a problem with the non-flash memory start address. In order to put more APP programs in the zero-wait flash memory, the IAP program can be p...
[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...
The rapid popularization of 3G networks and smart phones has promoted the development of mobile Internet and provided conditions for the expansion of security networks from local area networks to mob...[Details]
Centrifugal Compressor Overview
Centrifugal compressor is also called "vortex compressor", a type of compressor. The structure and operating principle are similar to centrifugal blowers, but t...[Details]
LG Electronics has officially announced its withdrawal from the smartphone business, amid reports that Chinese mobile phone manufacturers and global patent management companies (NPEs) in the United S...[Details]
Because the current TFT-LCD backlight module mainly has two light sources: CCFL and LED. Compared with CCFL, LED is DC and low voltage; while CCFL is high voltage (600 volts). Of course, small-area CC...[Details]
Several situations of abnormal interrupt return: Important basic knowledge: R15 (PC) always points to the instruction being "fetched", not to the instruction being "executed" Instructions being exe...[Details]
1 The function of satellite TV downconverter (high frequency head)
Satellite TV low noise downconverter is also called high frequency head (also called outdoor unit of satellite TV). It i...[Details]
According to foreign media reports, a report released by consulting firm KPMG shows that based on the rapid development of electric vehicles and luxury cars, the automotive semiconductor market will ...[Details]
This year, GM has mentioned on various occasions more than once that "the new generation of electronic and electrical architecture Global B will provide system support for electrification, active saf...[Details]
Detailed explanation of the “+New Thinking” strategy: developing together through cooperation and building a community with a shared future for the industry In 1995, Synopsys decided to come to Chi...[Details]
Recently, Zhuhai AFR Technology Co., Ltd. (hereinafter referred to as "AFR Technology") signed an asset purchase agreement with Lumentum Holdings Inc. and its subsidiaries (hereinafter referred to as...[Details]
The scope of a local variable is the entire VI and it is used to transfer data within a single VI.
The scope of a global variable is the entire computer, and it is mainly used to share data between m...[Details]
This morning, realme's official Weibo account revealed the camera information of the upcoming new phone realme X. From the Weibo text and posters, it can be seen that the new phone will use Sony IMX5...[Details]
The LPC1788 has 3 independent oscillators. They are the main oscillator, the internal RC oscillator, and the RTC oscillator. After reset, the LPC1788 will run with the internal RC oscillator until it...[Details]
1 Introduction
The traditional digital tube display driver circuit occupies a lot of system resources. For dynamic display, the 8-bit display driver circuit is generally composed of 1 8255 and 4 5...[Details]
We’ve already seen that improving the efficiency of an electric vehicle’s powertrain can increase its range. Aside from purely mechanical solutions, such as using larger (or multiple) electric moto...[Details]
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