How do you choose whether to use a 4-layer board or a 2-layer board? How do you choose whether to use a 4-layer board or a 2-layer board when doing PCB design? Is there any basis? EMC issues? The comp...
[align=left][color=rgb(62, 62, 62)]Everyone knows that impedance should be continuous. However, as Luo Yonghao said, "There are always times in life when you step on shit." In PCB design, there are al...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:05[/i] For some reason, when my 12864 LCD screen displays the words "学" and "电", a black dot appears and the words cannot be displayed. I wou...
I thought about it before and spent half a day in the afternoon to deduce it. I started to think that the duty cycle must be related to the phase of the sine wave, but after deducing it, I found that ...
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[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]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[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]
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]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[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]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
1. Basic structure and working principle of centrifugal pump
1. Centrifugal pump water pump relies on the high-speed rotation of the impeller to make the fluid obtain greater kinetic energy, a...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[Details]
1 Introduction
Driven by the rapid development of information technology, the pace of television digitization has accelerated. The transition from analog to digital television has significant...[Details]
The battery capacity and endurance of electric vehicles are of great concern to car owners. At the same time, the vehicle's endurance and battery capacity are also used as a selling point by manufa...[Details]