RS232匹配阻抗多大
时间: 2023-08-20 07:06:30 浏览: 156
根据引用\[2\],RS-232接口通常以9个引脚(DB-9)或25个引脚(DB-25)的型态出现。然而,关于RS-232接口的匹配阻抗大小,引用中并没有提到具体数值。因此,无法确定RS-232接口的匹配阻抗大小。
#### 引用[.reference_title]
- *1* *2* [rs232接口_RS232接口与RS485究竟有什么区别?](https://blog.csdn.net/weixin_39788386/article/details/109885576)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [RS232、RS485、USB等电平标准](https://blog.csdn.net/JustDoIt_201603/article/details/90319509)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
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