CN105227174B - 支持不同有效电平数字量输入信号的检测系统及电子设备 - Google Patents
支持不同有效电平数字量输入信号的检测系统及电子设备 Download PDFInfo
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Families Citing this family (4)
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CN106130537B (zh) * | 2016-06-20 | 2019-09-03 | 北京安控科技股份有限公司 | 一种1oo2d功能安全数字量输出电路 |
CN113054965B (zh) * | 2021-03-11 | 2022-03-25 | 重庆大学 | 一种车辆高低电平有效开关闭合和悬空状态的检测电路 |
CN113359017B (zh) * | 2021-05-26 | 2025-06-20 | 力神(青岛)新能源有限公司 | 一种具有多态输出的信号检测电路 |
CN115459759B (zh) * | 2022-09-19 | 2025-04-29 | 北京主线科技有限公司 | 一种同步信号选择电路和模块 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0973261A2 (en) * | 1998-07-15 | 2000-01-19 | Linear Technology Corporation | Active pullup circuitry for open-drain signals |
CN101162249A (zh) * | 2007-11-26 | 2008-04-16 | 谢步明 | 具有多状态检验功能的数字量输入模块 |
CN104914376A (zh) * | 2015-05-08 | 2015-09-16 | 武汉合康动力技术有限公司 | 一种数字量电路状态检测电路和方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP0973261A2 (en) * | 1998-07-15 | 2000-01-19 | Linear Technology Corporation | Active pullup circuitry for open-drain signals |
CN101162249A (zh) * | 2007-11-26 | 2008-04-16 | 谢步明 | 具有多状态检验功能的数字量输入模块 |
CN104914376A (zh) * | 2015-05-08 | 2015-09-16 | 武汉合康动力技术有限公司 | 一种数字量电路状态检测电路和方法 |
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