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在图10．3．7所示TTL与非门构成的单稳态触发器中，若输入vI为宽度20μs的脉冲，试画出vO1、vI2、vO3、vO的波形，计算输出脉冲宽度。为使该电路能正常工作，对输入脉冲有何要求。

A.3．7所示TTL与非门构成的单稳态触发器中，若输入vI为宽度20μs的脉冲，试画出vO1、vI2、vO3、vO的波形，计算输出脉冲宽度。为使该电路能正常工作，对输入脉冲有何要求。
B.shangxueba.cn/files/2016070801/2012q1/ct_XK08037010j_resolve_0206(1201)1.jpg'

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此电路为积分型单稳态触发器,电路缺点：一是输出脉冲后沿变化比较缓慢,二是触发脉冲宽度必须大于输出脉冲宽度,否......

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