Today I tested the power supply output ripple, and on a whim I tested the waveform at the input end. The IC I used was LM5007, and the circuit was the same as the recommended circuit in the data sheet
I personally made a building block graphical Chinese programming software for the stc51 single-chip microcomputer: you can search for shenmu 51 single-chip microcomputer graphical programming software
[size=4][color=#000000](1) 2 external pins: SCITXD is the SCI data transmission pin; SCIRXD is the SCI data reception pin. The two pins are multi-function multiplexed pins. If not used, they can be us
[i=s] This post was last edited by Feng Qingqing on 2021-3-30 17:08[/i]Sorry for asking such a basic question, thanks in advance.
Recently I saw a read timing diagram, as follows:
I understand the gen