已知电路如图4所示,若输入信号ui为正弦波,则输出波形为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/5b65bf8bacef4037b33fdb27bb9a1fe9.png
举一反三
- 电路如图5所示,若输入信号ui为方波,则输出波形为 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/ad0dc8cc2e8547ccb31a035a818c1d8d.png
- 图8所示电路,若输入电压 ui 为系列方波如图8 所示,则输出电压uo的波形为 ( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/94dea7d0655b4096b94631bca6f6993e.png
- 已知电路如图 4 所示,运算放大器构成http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/0547d1e3e7b44b5d8201447c92ed6e29.png
- 电路如图 4 所示,电流 I 为 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/48dcfd6292e44a329c2d5b04973679d8.png
- 放大电路如图9所示, RF的反馈类型是( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/a7749521401a464cb60fcd5a83682f6a.png