Two Quadrant Analog Voltage Divider and Square-Root Circuits Using OTA and MOSFETs

In this communication, two novel architectures of voltage mode analog divider circuit and square-root circuit using an operational transconductance amplifier (OTA) have been presented. The proposed divider circuit employs an OTA and two MOSFETs, while the square-root circuit requires one OTA along w...

Full description

Saved in:
Bibliographic Details
Published in:Circuits, systems, and signal processing systems, and signal processing, 2020-12, Vol.39 (12), p.6358-6385
Main Authors: Raj, Ajishek, Bhaskar, D. R., Kumar, Pragati
Format: Article
Language:English
Subjects:
Circuits and Systems
Electrical Engineering
Electronics and Microelectronics
Engineering
Instrumentation
Short Paper
Signal,Image and Speech Processing
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this communication, two novel architectures of voltage mode analog divider circuit and square-root circuit using an operational transconductance amplifier (OTA) have been presented. The proposed divider circuit employs an OTA and two MOSFETs, while the square-root circuit requires one OTA along with one MOSFET. The proposed divider circuit can also be configured as inverse voltage function generator. The performance of the proposed circuits has been validated through Cadence Virtuoso simulations using 0.18 µm CMOS technology parameters. The total power consumption for analog divider circuit is 821 µW, while for square-root circuit, it is 442 µW with ± 0.9 V power supply. Experimental results have also been provided to validate the theory.
ISSN:0278-081X
1531-5878
DOI:10.1007/s00034-020-01454-2