Just now, I received a prize from JD.com, a Philips laptop speaker. This is the prize for participating in the "PI Quiz with Prizes, Phase 2". Thanks again to PI and EEWORLD. As usual, I'll post the u...
PFC inductor calculation : https://training.eeworld.com.cn/course/4586Computer switching power supply is a capacitor input circuit. The phase difference between its current and voltage will cause the ...
At present, it is not common in China to use ultrasonic level meters to measure dam water levels, and there is no technical experience to learn from. Under such circumstances, we made full use of the ...
[b][size=3][color=#ff0000][backcolor=white]Benefit 1: The “Oscars” for Engineers have begun, and you are invited to be a judge for the grand prize[/backcolor][/color][/size][/b] [size=3]The Oscars cer...
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
With the continuous development of ultrasonic technology, ultrasound has been widely used in fields such as inspection, cleaning, welding, and medical treatment, and has even found its way into tex...[Details]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
Which is better, copper braided wire flexible connector or copper stranded wire flexible connector? When choosing copper wire flexible connector, people always struggle with whether to use copper b...[Details]
According to foreign media reports, German chipmaker Infineon has recently completed the acquisition of Marvell Technology's automotive Ethernet business for a total transaction amount of US$2.5 bi...[Details]
Amid the increasing complexity of electronic system power management,
power architecture design
is undergoing a paradigm shift from experience-driven to tool-enabled.
Analog
Devices...[Details]
The assisted driving industry in 2025 stands at the dual crossroads of "large-scale implementation" and "safety upgrades." Cities like Beijing and Wuhan have already issued regulations de...[Details]