A Tuneable CMOS Pulse Generator for Detecting the Cracks in Concrete Walls

2012 IEEE Computer Society Annual Symposium on VLSI Pub Date : 2012-08-19 DOI:10.1109/ISVLSI.2012.20

T. Rao, A. Dutta, S. Singh, Arijit De, B. D. Sahoo

引用次数: 3

Abstract

A CMOS impulse generator was designed as a part of Ultra Wide Band (UWB) wireless communication system. An input square wave signal is delayed by using differential pairs and then XORed with the input signal to produce short duration pulses. An RLC circuit works as a Band Pass Filter (BPF) used to generate Gaussian monopulse from the obtained short duration pulses. It operates with center frequency at 4.782 GHz and -3dB band width of 20.36 GHz. The output peak to peak amplitude of the signal is 44.11 mV with pulse duration of 300 picoseconds. The UWB pulse generator has been simulated in 0.18μm CMOS technology.

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用于混凝土墙体裂缝检测的可调谐CMOS脉冲发生器

设计了一种CMOS脉冲发生器，作为超宽带无线通信系统的组成部分。输入方波信号通过差分对被延迟，然后与输入信号xor产生短持续时间脉冲。RLC电路作为带通滤波器(BPF)，用于从获得的短持续脉冲产生高斯单脉冲。它的中心频率为4.782 GHz， -3dB带宽为20.36 GHz。信号输出峰对峰幅值为44.11 mV，脉冲持续时间为300皮秒。采用0.18μm CMOS技术对UWB脉冲发生器进行了仿真。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 IEEE Computer Society Annual Symposium on VLSI

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