A Linear Optimization Method and Its Application to Transconductance Amplifier

FU Wen-yuan; LING Chao-dong

doi:10.3969/j.issn.0372-2112.2013.06.027

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A Linear Optimization Method and Its Application to Transconductance Amplifier

更新时间：2025-07-16

- A Linear Optimization Method and Its Application to Transconductance Amplifier
- Acta Electronica Sinica Vol. 41, Issue 6, Pages: 1214-1218(2013)
- 作者机构：
  
  1. 华侨大学信息科学与工程学院,福建,厦门,361002
  2. 厦门市专用集成电路系统重点实验室,福建,厦门,361008
  3. 华侨大学信息科学与工程学院,福建,厦门,361002
  4. 厦门市专用集成电路系统重点实验室,福建,厦门,361008
- 作者简介：
- 基金信息：
  
  Fujian Provincil Science and Technology Program (No.2011H6018);Fundamental Research Funds for the Central Universities (No.10QZB02);Research Foundation of Huaqiao University (No.11HZR03)
- DOI：10.3969/j.issn.0372-2112.2013.06.027
  CLC： TN72
- Published：2013
- 稿件说明：
移动端阅览
FU Wen-yuan, LING Chao-dong. A Linear Optimization Method and Its Application to Transconductance Amplifier[J]. Acta Electronica Sinica, 2013, 41(6): 1214-1218.
DOI：

FU Wen-yuan, LING Chao-dong. A Linear Optimization Method and Its Application to Transconductance Amplifier[J]. Acta Electronica Sinica, 2013, 41(6): 1214-1218. DOI： 10.3969/j.issn.0372-2112.2013.06.027.

摘要

基于跨导放大器线性度理论和数学分析

提出了一种提高线性度的方法.该方法通过数学理论分析和模拟实验证实

双端输入双端输出结构的跨导器线性度优于单端输入单端输出的跨导器

且两个输入端信号满足一端是另一端幅度的4/3倍加1时

跨导器线性失真度最小.根据该优化方法设计了一种新型跨导器

仿真实验表明

跨导器无杂散动态范围为60.25dB

噪声平台达到-100dB.

Abstract

Based on the linearity theory of transconductance amplifier and mathematical analysis

a method of improving linearity is presented.In this method

the mathematical analysis and simulation experiments proved that linearity of double ended input transconductor is better than single ended input transconductor.When one end input signal is 4/3 of the other end input signal and plus 1

the transconductor linear distortion can be minimized.A new transconductor is proposed according to the optimization measure.The simulation results show that the spurious free dynamic range of the transconductor is 60.25dB

and noise-floor reach up to -100dB.

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