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
举一反三
- 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
- 由555定时器构成的电路如下图所示，其名称为（）。http://image.zh...87a8940faef3f330.png
- 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
- 设http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6e6de13adf014e1f9fdc7954cb313377.png是由方程http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6d1ea7ec74bb4607aee50aa325108197.png确定，求http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1d60e0ceb7d14d26a00863c192e0bbf3.png（ ）
- 设http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/90c19a717ac34717836dbca4afba1bd9.png是由方程http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7648e783c2f24044bb84346d0e07e161.png确定，求http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d24ed3aef9a94d38965289947da528f7.png（ ）