摘要
文章通过对采用“瞬时极性法”判断反馈极性问题的规律总结,得到简便易行的结论,帮助初学者较快掌握反馈极性的判断方法。
Through the conclusions of the principles of judging feedback questions by adopting instantaneous polarity method , the article points out some simple but applicable methods ,which will help new learners master the feedback polariry quickly.
关键词
正反馈
瞬时极性法
电子电路
反馈极性
判断方法
feedback
positive feedback
negative feedback
instantaneous polarity method
