It is a circuit with diode. it
创建班级,给学生布置要搭建的电路,并查看他们提交的作业。可免费试用:1 个班级,最多 5 名学生。
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Cite: Fu, W. (2013). weifeng fu's circuit. DCACLab. https://dcaclab.com/circuits/7054-weifeng-fus-circuit