Title: Voltage Differencing Buffered Amplifier Based on Floating-Gate MOSFET and its Filter Applications

Author(s): Akanksha Ninawe1,2*, Richa Srivastava1,3, Himani Kanwar1, Devesh Singh3


1Netaji Subhas Institute of Technology,

New Delhi 110078, India

2Indian Institute of Technology Delhi,

New Delhi 110016, India,

3A.K.G. Engineering College,

Ghaziabad – 201009, India

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Abstract

In this work, floating-gate MOSFET (FGMOS) based low-voltage, low-power (LV/LP) variant of voltage differencing buffered amplifier (VDBA). The linearity of the Operational Transconductance Amplifier (OTA) stage of the proposed active element is observed to increase compared to the conventional CMOS VDBA. This has been demonstrated for several supply voltages. The proposed circuit operates at low supply voltage of ±1.35V with total power consumption of 0.745mW. The application of the proposed circuit is verified through robust resistorless voltage mode universal biquad filters which are observed to implement standard filter functions. The simulations are performed through SPICE in TSMC 0.18µm technology. The work is intended to find applications in low-voltage, low-power battery-operated medical devices and other analog signal processing circuits

License: This work is licensed under a Creative Commons Attribution 4.0 International License.

 

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e-ISSN:  2319-724

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