一种基于FGMOS晶体管的新型变增益放大器

2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA) Pub Date : 2016-12-01 DOI:10.1109/ICEDSA.2016.7818524

S. Sharroush

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引用次数: 5

摘要

在射频接收机中，常使用变增益放大器(VGAs)来补偿信道传输过程中信号电平的变化，并减轻后续模数转换器(ADC)的限制。本文介绍了一种采用浮栅MOS晶体管(FGMOS)的新型VGA接口。讨论了电压增益、线性度、正常工作的有效区域和灵敏度，并推导了它们的定量表达式。采用Vdd = 1 V的45 nm CMOS技术，仿真验证了该放大器的性能。

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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A novel variable-gain amplifier based on an FGMOS transistor

In radio-frequency receivers, variable-gain amplifiers (VGAs) are often used in order to compensate for the change of the signal level during the channel transmission and to relax the constraints on the succeeding analog-to-digital converter (ADC). In this paper, a novel VGA is introduced using a floating-gate MOS transistor (FGMOS). The voltage gain, the linearity, the valid region for proper operation, and the sensitivity are discussed and quantitative expressions are derived for them. The performance of this amplifier is verified by simulation adopting the 45 nm CMOS technology with Vdd = 1 V.

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2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA)

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