[url]http://www.ipc.org.cn/events/pcb-design-seminar/2017/index.html[/url] Interested friends can sign up for technical exchanges and learn to improve high-speed PCB design technology together. The qu...
Hello everyone, I hope you can help me analyze my circuit and answer my questions for a year. Thank you. I am making a signal conditioning circuit with an input signal of 0.1mVp-p and a frequency of 1...
Listing some obsessive-compulsive things, I think I am seriously ill. 1) The board we made uses an A8 processor. When it starts, the serial port will output three A's and a line feed. This part is act...
[i=s]This post was last edited by ninglu on 2017-9-27 18:07[/i] [align=left][align=left]Due to work needs, we plan to recruit a number of scientific researchers, with preferential treatment. They shou...
As shown in the forum homepage, the left navigation section should normally have 6 recent posts with pictures. When you move the mouse over the numbers, it will switch to the corresponding pictures. C...