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在模拟电子技术中,为了提高放大电路的性能,经常需要在电路中引入反馈,而反馈类型的判断是教学过程中的重点与难点,根据本人的教学经验发现很多学生对反馈这一章的内容掌握很不好,为了使学生更好的掌握这一章的内容,文章提出了反馈类型的快速判断方法,包括正负反馈的判断,交直流反馈的判断,串联反馈与并联反馈的判断,电压电流反馈的判断以及反馈组态的判断,并举了一些例子来验证该方法确实是可行的。
In analog electronic technology, in order to improve the performance of the amplifier circuit, it is often necessary to introduce feedback into the circuit. The feedback type judgment is the key and difficult point in the teaching process. According to my teaching experience, many students find that the content of this chapter In order to make students better grasp the content of this chapter, the article puts forward a fast method of judging the type of feedback, including judgment of positive and negative feedback, judgment of AC and DC feedback, judgment of series feedback and parallel feedback, voltage Current feedback judgment and feedback configuration judgment, and cites a few examples to verify that the method is indeed feasible.