正弦波振荡电路维持振荡条件是http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e72f25ad81454b74917c0af41845d592.png
举一反三
- 以下电路可能产生正弦波振荡的是:http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b4c25a96c9be459287e4d8b0d8451c35.png
- 根据相位平衡条件判断,下列图示电路有可能产生正弦波振荡的是( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/24e5b6c0207340e48f5aa29584884d24.png
- 【单选题】下图为一个三回路振荡器的等效电路,可能振荡且为电容三点式的是( )。 http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/c5d1b7ff4891477bbc7552a69d3e47dc.png A. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/154878fafe94451cb79b5b2cd5b63d58.png B. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1d281c273bbe42c9945126502e582dd0.png C. htt
- 正弦波振荡电路维持振荡条件是() A: AF=1 B: AF=-1 C: AF=0
- 650.正弦波振荡电路维持振荡条件是( )。 A: AF=1 B: AF=-1 C: AF=0 D: AF=2