Op-Amp based LC oscillator with minimum components for wireless communications

Apri Yanto, Harki and Syahriar, Ary and Haryadi, Dody (2020) Op-Amp based LC oscillator with minimum components for wireless communications. In: Proceedings of the 2021 International Conference on Engineering and Information Technology for Sustainable Industry. Association for Computing Machinery, Tangerang, pp. 1-6. ISBN 978-1-4503-8771-2

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Official URL: https://dl.acm.org/doi/10.1145/3429789.3429834

Abstract

This paper presents a new circuit of op-amp based LC oscillator design for wireless communications. This LC oscillator can be classified as a harmonic oscillator. Unlike Hartley, Colpitis and Clapp oscillators, the resonant tank circuit of the proposed op-amp based LC oscillator is composed of only two components --- single-inductor and single-capacitor, in parallel connection. Also, the LC oscillator does not use resistor components. The aim of this paper is to provide a low cost solution for sinusoidal oscillator design, particularly in low power mobile applications, where the power amplifier stage can be eliminated if the RF oscillator has enough output current and output voltage capabilities to supply the antenna load. On the other hand, the digital modulator is also integrated with the RF oscillator. The proposed op-amp based LC oscillator is analyzed and discussed using PSPICE simulation results. To verify the concept, experimental results are given. It can be observed that the simulation results are in line with the experimental results.

Item Type: Book Section
Additional Information: Presented in "The International Conference on Engineering and Information Technology for Sustainable Industry (ICONETSI)" held on 28-29 November 2020 in Tangerang Indonesia.
Uncontrolled Keywords: LC Oscillator; Wireless Communications
Subjects: 600 Applied sciences & technology > 620 Engineering > 621 Applied Physics
Divisions: Universitas Al-Azhar Indonesia (UAI) > Fakultas Sains dan Teknologi (FST) > Teknik Elektro
Depositing User: Rifda Jilan
Date Deposited: 18 Jan 2023 08:56
Last Modified: 19 Jan 2023 04:19
URI: http://eprints.uai.ac.id/id/eprint/2027

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