Studies on Dynamics of Driven Bilaterally Coupled Gunn Oscillator

J  Chakravorty; S  Sarkar  and B  C  Sarkar

doi:10.17485/ijst/2014/v7i7.10

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Studies on Dynamics of Driven Bilaterally Coupled Gunn Oscillator

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2014/v7i7.10

Year: 2014, Volume: 7, Issue: 7, Pages: 916–923

Original Article

Studies on Dynamics of Driven Bilaterally Coupled Gunn Oscillator

J. Chakravorty¹ , S. Sarkar² and B. C. Sarkar^1*

¹Department of Physics, The University of Burdwan, Golapbag, Burdwan-713104, West Bengal, India; bcsarkar_phy@yahoo.co.in
²Department of Electronics, Burdwan Raj College, Burdwan-713104, West Bengal, India

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

Abstract

The dynamics of bilaterally coupled Gunn oscillator driven by external periodic signal has been examined through numerical simulation and experimental observation. The coupling factors between the two oscillators in either path as well as the strength and frequency of the external periodic driving signals are key parameters to control the dynamics of Driven Bilaterally Coupled Gunn Oscillator (DBCGO) system. The numerical study explores the possibility of generation of controllable chaotic signals in DBCGO system. The present work also considers this method through a hardware experiment. For different set of coupling factors, driving signal strength and frequencies, chaotic oscillations are observed. Therefore, the DBCGO system with suitable couplings and driving signal conditions can be considered as a potential source of chaotic signals in microwave frequency range.

Keywords: Coupled System, Driven Oscillator, Gunn Diode, Microwave Chao