[size=3][color=#333333][backcolor=rgb(239, 245, 249)][font=Arial, Microsoft YaHei]I recently needed to use an AC sampling circuit, but the DSP can only AD 0-3.3V range. So I thought of the summing cir
I am studying international economics and trade, and I have never studied electronics before. Due to work needs, I want to learn more about CCL and FR-4. Where can I find this knowledge online? What o
The Bank of China's token expires on 10/31/11, which is today. I can't go to the place where it was issued to get a new one. I thought it should be valid until 24:00 at night, so I didn't worry and th
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] [color=black]According to iSuppli, the consumer electronics (CE) industry is entering a new era of ubiquitous connectivity, spur