您好，最近在用LM2917做一个转速表，但按照datasheet的图19典型电路连接，发现无输出，更换元件也是没有效果。然后又改电路按照图28接法，输出脉冲信号。但仍然无输出，换了好几颗芯片了依然如此都无奈了，请各位帮帮忙！！
↧
Channel:
放大器论坛 - 最近的话题
X
Are you the publisher?
Claim or
contact us
about this channel.
X
0
Channel Details:
- Title: 放大器论坛 - 最近的话题
- Channel Number: 62155573
- Language: Chinese
- Registered On: March 23, 2016, 12:00 am
- Number of Articles: 3845
- Latest Snapshot: May 10, 2022, 11:23 am
- RSS URL: http://www.deyisupport.com/question_answer/analog/amplifiers/f/52/rss.aspx?mode=0
- Publisher: https://e2echina.ti.com/support/amplifiers/f/amplifiers-forum
- Description:
- Catalog: //undercoater66.rssing.com/catalog.php?indx=62155573
© 2025 //www.rssing.com