A new shadow resistance to frequency converter as a read‐out circuit for resistive sensors-Reference-Cited by-同舟云学术

A new shadow resistance to frequency converter as a read‐out circuit for resistive sensors

Published:2024-03-04 Issue:9 Volume:52 Page:4850-4857
ISSN:0098-9886
Container-title:International Journal of Circuit Theory and Applications
language:en
Short-container-title:Circuit Theory & Apps

Author:

Al‐Absi Muneer A.¹²³^ORCID

Affiliation:

1. Electrical Engineering Department King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia

2. Center for Communication Systems and Sensing King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia

3. Center for Smart Mobility and Logistics King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia

Abstract

SummaryThis paper presents a new resistance to frequency converter. The design is based on a shadow signal generator that produces square and triangular waveforms. The oscillator frequency can be changed using an external circuit (shadow oscillator). This method will make the conversion speed better than the conventional oscillators, and the frequency varies linearly with the resistance variation. The circuit is built using widely available commercial integrated circuits, and powered from a ±5‐V DC supply. The recommended setup is suitable for instrumentation where the oscillation frequency is directly proportional to the variation in the resistance of the sensor. The functionality of the proposed design was confirmed by experimentation and simulation. The oscillation's frequency can be changed to be nearly 10 times greater than its starting value, according to the results.

Publisher

Wiley

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1002/cta.3992

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