用于语音通信的低噪声ab类放大器

2009 IEEE 8th International Conference on ASIC Pub Date : 2009-12-11 DOI:10.1109/ASICON.2009.5351478

Jiang Yu, Jiang Shi

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引用次数: 1

摘要

AB类放大器在许多应用中被广泛用作模拟模块。综述了低功率、低电压用AB类放大器的最新发展。采用0.35 um CMOS技术实现了低噪声设计。当负载为10pF时，电源电压为2.5V，静态电流约为5uA时，显示出800KHz的GBW

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A low noise class-AB amplifier for voice communication

Class AB amplifier is widely used as analog building blocks for many applications. The recent development of class AB amp for low power and low voltage applications is reviewed and summarized. A low noise design realization is fabricated in 0.35 um CMOS technology. For 10pF cap load, it shows GBW of 800KHz with supply voltage of 2.5V and about 5uA quiescent current.1

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2009 IEEE 8th International Conference on ASIC

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