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基于Altium Designer的锯齿波发生器设计与仿真

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摘要 以比较器为核心电路,并采用晶体管镜像恒流源充电、开关管放电技术,实现了一种高线性度锯齿波发生器电路。采用Altium Designer6.0对该电路进行了仿真模拟,结果表明锯齿波的线性度很好。该锯齿波发生器的输出电压可以从0V开始线性上升,具有频率调节功能,可调频率范围为100K-200KHz,可广泛应用于各种PWM产生电路中。
出处 《科技创新与应用》 2012年第3期16-16,共1页 Technology Innovation and Application
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