Electronic

https://en.wikipedia.org/wiki/Electronic_symbol

MOS管控制电源通断以及缓启动:https://www.bilibili.com/video/BV1fU4y1J7xi

by Eugene Khutoryansky: https://www.youtube.com/watch?v=vwJYIorz_Aw

https://learnabout-electronics.org/PSU/psu31.php
15: https://www.bilibili.com/video/BV1nA411t7U4
BUCK电源电感怎么选择: https://www.bilibili.com/video/BV1ig411P7dc?t=112.2

同/异步整流:https://www.bilibili.com/video/BV1Jv411P7Qc?t=369.7 https://www.analog.com/en/analog-dialogue/raqs/raq-issue-147.html

https://learnabout-electronics.org/PSU/psu31.php

https://www.eet-china.com/mp/a12732.html 反激的变压器可以看作一个带变压功能的电感,是一个buck-boost电路。反激是初级工作,次级不工作,一般DCM模式。 正激的变压器是只有变压功能,整体可以看成一个带变压器的buck电路。正激是初级工作次级也工作,次级不工作有续流电感续流,一般是CCM模式。
反激式同步整流控制技术:https://www.bilibili.com/video/BV1bJ411W7Hi

测量市电 - AB伪差分:Siglent | Tek 纹波:Tek | Rigol Micsig/汽修: https://space.bilibili.com/476743057/channel/seriesdetail?sid=862170

Free: https://en.wikipedia.org/wiki/List_of_free_electronics_circuit_simulators Micro-cap | Original $4495, now free: http://www.spectrum-soft.com/download/download.shtm
Non-free: Multisim/Matlab
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symbol
MOSFET
Buck & Boost
Buck/step-down regulators
Boost/step-up regulators
forward vs flybac
示波器
Simulation Program