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引用次数: 44
摘要
本文提出了一种新的肖尔茨单周期脉冲发生器，并在TSMC 0.18 /spl μ m CMOS技术上进行了仿真。肖尔茨单环脉冲基本上是由高斯脉冲的二阶导数实现的，它比其他单环脉冲具有更多的优点。首先在双曲正切输入的象限平方电路上粗略实现高斯脉冲，然后在无源元件中进行二次微分运算产生肖尔茨单环脉冲。它既可以应用于超宽带发射机的脉冲发生器，也可以应用于接收机相关器的小波变换。
Design of CMOS Scholtz's monocycle pulse generator
In this paper, a new Scholtz's monocycle pulse generator is proposed and simulated on TSMC 0.18 /spl mu/m CMOS technology. Scholtz's monocycle pulse, which has more advantages than the others, is basically achieved from second derivative of Gaussian pulse. Gaussian pulse is roughly achieved on quadrant squarer circuit with hyperbolic tangent input, and then Scholtz's monocycle pulse is generated by second differential operations in passive components. It can be applied to pulse generator in UWB transmitter as well as the wavelet for a correlator in receiver.
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