A simple time domain approach to noise analysis of switched capacitor circuits

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概要

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• Thermal noise is one of the most important limiting factors on the performance of switched-capacitor (SC) circuit due to the aliasing effect of wide-band thermal noise. In this paper a new simple method for estimating the effect of thermal noise is presented. In the proposed technique only the discrete sampled noise is considered. HSPICE simulator and analytical analysis are used to estimate the sampled noise specification on each clock state. Next, using difference equations of the circuit, time domain simulation is done by MATLAB. Based on this method, a SC integrator is analyzed and results compared to the measured noise response.

著者

• Rashtian Mohammad

  Department of Electrical Engineering, Science and Research Branch of Islamic Azad University

• Hashemipour Omid

  Department of Electrical and Computer Engineering, Shahid Beheshti University

• Hemmatyar A.M.

  Department of Computer Engineering, Sharif University of Technology

• Rashtian Mohammad

  Dep. Of Electrical Engineering Sci. And Res. Branch Of Islamic Azad Univ.

• Hemmatyar A.m.

  Dep. Of Computer Engineering Sharif Univ. Of Technol.

• Hashemipour Omid

  Dep. Of Electrical And Computer Engineering Shahid Beheshti Univ.

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