Distortion Analysis and Calculation of Wide-band Track and Hold Amplifier

LIANG Hai-lang; HE Jin; CHEN Wen-xin

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Distortion Analysis and Calculation of Wide-band Track and Hold Amplifier

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- Distortion Analysis and Calculation of Wide-band Track and Hold Amplifier
- Vol. 31, Issue 2, Pages: 27-30(2014)
- 作者机构：
  
  1. 1 北京大学香港科技大学深圳研修院, 北京大学深圳SOC重点实验室,广东,深圳,518057
  2. 2 北京大学信息科学技术学院微电子学研究院纳太器件与电路研究室,北京,100871
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2014
- 稿件说明：
移动端阅览
梁海浪, 何进, 陈文新. 宽带跟踪保持放大器失真的分析和计算[J]. 微电子学与计算机, 2014, 31(2): 27-30.

LIANG Hai-lang, HE Jin, CHEN Wen-xin. Distortion Analysis and Calculation of Wide-band Track and Hold Amplifier[J]. 2014, 31(2): 27-30.
梁海浪, 何进, 陈文新. 宽带跟踪保持放大器失真的分析和计算[J]. 微电子学与计算机, 2014, 31(2): 27-30. DOI：

LIANG Hai-lang, HE Jin, CHEN Wen-xin. Distortion Analysis and Calculation of Wide-band Track and Hold Amplifier[J]. 2014, 31(2): 27-30. DOI：

摘要

基于高频肖特基二极管模型，对宽带桥式跟踪保持放大器的失真进行了Volterra分析和计算.分别导出了三阶谐波失真和互调失真表达式.利用非线性电流方法采用计算机程序对弱非线性跟踪保持放大器失真进行计算，计算结果显示其跟用SpectreRF仿真器进行仿真的结果具有很好的一致性，结果也证明，计算机程序在某些条件下，总体计算效率得到了显著提高.

Abstract

Volterra analysis and computer calculation of the wide-band diode bridge track and hold amplifier (THA) is proposed based on a high frequency Schottky diode model.Approximate expressions for the third-order harmonic distortion and the third-order intermodulation distortion are derived respectively.A computer program then calculates the distortion of weekly nonlinear T HA based on the KCL and the nonlinear-current method.Simulations based on a commercially available 130 nm process technology are performed with the Spectre circuit simulator.Comparative SpectreRF simulated results for the diode bridge THA have shown good agreement with those of Volterra series analysis.It is also shown that results obtained by the program have a consistent match with those derived from Circuit simulator

whereas the overall computational efficiency has been improved in a special evaluation.

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