接收机系统宽带变增益放大器的设计

2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA) Pub Date : 2020-11-05 DOI:10.1109/ICECA49313.2020.9297445

Pooja Sabre, D. Mishra, P. Bansod

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引用次数: 0

摘要

本文提出了一种基于0.1S$\mu$m CMOS技术的可变增益放大器(VGA)新架构。本文提出了一种新的确定方法，用于实现大频带范围的直流增益，可接受的带宽(-3dB)，低功耗和高线性度。本VGA是在Cadence Virtuoso工具上设计的射频接收机系统，由线性模式的跨阻抗放大器和跨导体放大器组成。该VGA还可实现-35至19 dB的直流增益范围，带宽约为25.8 MHz (-3dB)。同时，所提出的VGA的统一增益带宽接近3.32GHz，噪声图接近20dB。整个电路消耗的总功率约2.3mW。

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 of Wideband Variable Gain Amplifier for Receiver System

This paper has proposed a new architecture for variable gain amplifier (VGA) built in the 0.1S$\mu$m CMOS technology. In this paper, a new definitive approach is proposed for achieving a large band range of DC gain, acceptable bandwidth (-3dB) with low power consumption and high linearity. This proposed VGA was designed on the Cadence Virtuoso tool for receiver system used in RF, consisting of trans-impedance amplifier and trans-conductor amplifier which are in linear mode. This VGA also attains DC gain range from -35 to 19 dB, and bandwidth is around 25.8 MHz (-3dB). Meanwhile, the proposed VGA, Unity Gain Bandwidth of is nearly 3.32GHz with noise Figure nearly 20dB. Overall circuit consumes total power approximately 2.3mW.

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2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)

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