用于DAC的低功率高增益放大器的设计与分析

2022 IEEE International Conference on Data Science and Information System (ICDSIS) Pub Date : 2022-07-29 DOI:10.1109/ICDSIS55133.2022.9915853

S. Surabhi, Deepa

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引用次数: 1

摘要

放大器是一种放大输入信号强度或幅度的电子电路。在设计放大器时主要考虑的是增益和功耗，因此本文比较的放大器包括共源放大器、差分放大器、不同负载的运算放大器，如电阻性负载、有源负载和电流镜。利用mentor图形工具在130nm工艺下对这些放大器进行了设计和仿真。结果表明，采用电流镜的有源负载差分放大器的功耗较低，为0.376 nW，运算放大器的增益最高，为159.42。由于OPAMPS具有所有三种放大器中最高的增益(44dB)，并且与以前的作品相比，它被用于设计应用DAC(数模转换器)。

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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Design and Analysis of Low Power High Gain Amplifiers for DAC Application

Amplifier is an electronic circuit which amplifies the input signal strength or amplitude. The main concern in designing amplifier is the gain and power dissipation so to review this, the amplifiers compared in this paper include common source amplifier, differential amplifier, operational amplifier with different loads such as resistive load, active load and current mirror. These amplifiers were designed and simulated using mentor graphics tool in 130nm technology. It was found that Differential amplifier with active load using current mirror was having lower power dissipation of 0.376 nW and operational amplifier having the highest gain of 159.42. As OPAMPS’s are having the highest gain (44dB) of all three amplifiers and also when compared with previous works it was used for designing application DAC (digital to analog converter).

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2022 IEEE International Conference on Data Science and Information System (ICDSIS)

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