[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
[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
According to the China data of IDC Asia PacificMobile Phone Market Quarterly Tracking Report (2006 Q3), the overallshipment volume of China's mobile phone market in Q3 2006 was about 31.7 million unit