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

Ziad Alsibai | Zendy; Salma Bay Abo Dabbous | Zendy

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

Author(s) -

Ziad Alsibai,

Salma Bay Abo Dabbous

Publication year - 2014

Publication title -

advances in electronics

Language(s) - English

Resource type - Journals

eISSN - 2356-6663

pISSN - 2314-7881

DOI - 10.1155/2014/402840

Subject(s) - transconductance , operational transconductance amplifier , rectifier (neural networks) , electrical engineering , cmos , low voltage , amplifier , biasing , operational amplifier , voltage , electronic engineering , power (physics) , materials science , engineering , transistor , computer science , physics , stochastic neural network , machine learning , quantum mechanics , recurrent neural network , artificial neural network

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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