电路如图所示 , 级间反馈对输出电阻各带来什么影响（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/655b8b6de829487fac2b6f8d9619cf84.png
举一反三
- 电路如图所示，判断级间反馈的极性和类型（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/cb504328353d4349aca9cf916a7d59a6.png
- 电路如图所示 ， 试判断电路级间反馈的极性和类型（组态） （）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/9856ec44877a4078846bc57245577f2b.png
- 逻辑函数F(A,B,C)=AB+BC+AC的卡诺图为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/7a8254757f8a4fc6ab82fa93a8e86ebf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/229cbcade3654fb99c66a7c102ec046f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1c851f1288be499c92d2a7b40607bd1a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/3b385269839a45df9645db71096c2e81.png" />
- 如图所示的电路属于（ ）滤波电路。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/190dffe6b54f4c01ba9042f0697ba320.png
- 电路如图所示，若电路满足深度负反馈条件，试求反馈系数（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/37b36674ef954138b22c98ae17d1a03d.png