超低电压低功耗块驱动准浮栅跨导运算放大器

Q3 Engineering

Advances in Optoelectronics Pub Date : 2014-08-27 DOI:10.1155/2014/402840

Ziad Alsibai, S. B. A. Dabbous

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引用次数: 2

摘要

提出了一种新型的超低压(LV)低功耗(LP)块驱动准浮栅(BD-QFG)运算跨导放大器(OTA)。该电路采用0.18 μm CMOS工艺设计。电源电压为±0.3 V，静态偏置电流为5 μA。PSpice仿真结果表明，所提出的BD-QFG OTA功耗为13.4 μW。因此，该电路适用于低功耗应用。为了验证所提出的BD-QFG OTA可用于模拟信号处理，设计了一个基于BD-QFG OTA的无二极管精密整流器作为应用实例。该整流器仅采用2个BD-QFG ota，功耗仅为26.8 μW。

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Ultra-Low-Voltage Low-Power Bulk-Driven Quasi-Floating-Gate Operational Transconductance Amplifier

A new ultra-low-voltage (LV) low-power (LP) bulk-driven quasi-floating-gate (BD-QFG) operational transconductance amplifier (OTA) is presented in this paper. The proposed circuit is designed using 0.18 μm CMOS technology. A supply voltage of ±0.3 V and a quiescent bias current of 5 μA are used. The PSpice simulation result shows that the power consumption of the proposed BD-QFG OTA is 13.4 μW. Thus, the circuit is suitable for low-power applications. In order to confirm that the proposed BD-QFG OTA can be used in analog signal processing, a BD-QFG OTA-based diodeless precision rectifier is designed as an example application. This rectifier employs only two BD-QFG OTAs and consumes only 26.8 μW.

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来源期刊

Advances in Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： Advances in OptoElectronics is a peer-reviewed, open access journal that publishes original research articles as well as review articles in all areas of optoelectronics.