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1. 发明公开

EP2209209A1 Generating a trigger from a differential signal 审中-公开
标题翻译： Erzeugung einesAuslöseimpulsvon einem Differenzsignal
公开(公告)号：EP2209209A1
公开(公告)日：2010-07-21
申请号：EP10250062.6
申请日：2010-01-14
申请人： Tektronix, Inc.
发明人： Markozen, Gene L. , Hickman, Barton T.
IPC分类号： H03K5/00
CPC分类号： H03K5/00
摘要： A trigger circuit generates a trigger signal when a differential input signal crosses a differential threshold voltage level. A first side of the differential input signal is applied to a first terminal of a first load termination resistor. A second side of the differential signal is applied to a first terminal of a second load termination resistor. A first side of the differential threshold voltage level is applied to a second terminal of the first load termination resistor. A second side of the differential threshold voltage level is applied to a second terminal of the second load termination resistor. A comparator generates the trigger signal when a voltage level at the first terminal of the first resistor exceeds a voltage level at the first terminal of the second resistor.
摘要翻译：当差分输入信号跨越差分阈值电压电平时，触发电路产生触发信号。差分输入信号的第一侧被施加到第一负载终端电阻器的第一端子。差分信号的第二侧被施加到第二负载终端电阻器的第一端子。差分阈值电压电平的第一侧被施加到第一负载终端电阻器的第二端子。差分阈值电压电平的第二侧被施加到第二负载终端电阻器的第二端子。当第一电阻器的第一端子处的电压电平超过第二电阻器的第一端子处的电压电平时，比较器产生触发信号。

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