如图所示,555定时器接成了( )输出的施密特触发电路。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7bdf21df41ff42cabde569a77a5949d1.png
举一反三
- 由555定时器构成的电路如下图所示,其名称为()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0084beee2a74450587a8940faef3f330.png
- 如图所示,555定时器接成了()输出的施密特触发电路。
- 555定时器构成的多谐振荡器如下图所示,其振荡周期为()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/9d22b52fe6364683a732cd8be7bdabe3.png
- 如图所示,555定时器接成了( )输出的施密特触发电路。[img=306x288]17a3d963b472cac.png[/img]
- 二极管电路如图3.1所示,则二极管导通情况为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/9bb7dfd7d01e4a9698111a0bcc5cbb55.png