8脉冲波形的变换与产生 Generating and Converter of Pulse Waveform 8.0 引言(ntroduction) 8.1555定时器(555 Timer) 8.2多谐振荡器(Astable Multivibrator) 8.3单稳态触发器(Monostable trigger) 8.4施密特触发器(Schmitt trigger) 8.0 引言 (Introduction ) 8.1 555定时器 (555 Timer) 8.2 多谐振荡器 (Astable Multivibrator) 8.3 单稳态触发器 (Monostable trigger) 8 脉冲波形的变换与产生 Generating and Converter of Pulse Waveform 8.4 施密特触发器 (Schmitt trigger)