Question: Can the reference voltage of 1114's AD function only select VCC (i.e., the voltage that powers 1114)? I am currently making a portable device powered by a lithium battery (the working voltag
It is said that the IC industry lacks engineers. In fact, with the development of the domestic IC industry, it is not only engineers that are in short supply. The demand for talents in marketing, proj
[i=s]This post was last edited by littleshrimp on 2019-9-8 09:32[/i]Use a 4th order multi-feedback bandpass filter, the circuit in this post https://en.eeworld.com/bbs/forum.php?mod=viewthreadtid=1088
[i=s] This post was last edited by Yunhu Congbai on 2022-4-2 14:20 [/i] ## Background This article aims to describe the current status of mobile phone fast charging technology, so that amateurs can qu