单稳态

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=(3~5)(R+R’O)C 分辨时间： td = tTR+tre 单稳态触发器 tw = ? Vm = ? 《 数字电子技术 》 积分型单稳态触发器 : 优点 —— 抗干扰能力较强；（ 为什么。 ） 电路中的噪声多为尖峰脉冲的形式（即幅度较大而宽度极窄的脉冲），而积分型单稳态触发器在这种噪声作用下不会输出足够宽度的脉冲。 缺点 —— （ 1）输出波形的边沿比较差（ 为什么。 ）