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Simulation and implementation of a tunable C-band dielectric resonator oscillator

Chandrasekharam, K and Rao, G Srinivasa and Prasad, AP Shiva and Vedavathy, TS (2007) Simulation and implementation of a tunable C-band dielectric resonator oscillator. In: Journal of Spacecraft Technology, 17 (1). pp. 1-13.

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Microwave sources used in present day applications are either multiplied source derived from basic quartz crystals, or frequency synthesizers. The frequency multiplication method increases FM noise power considerably, and has very low efficiency in addition to being very complex and expensive. The complexity and cost involved demands a simple, compact and tunable microwave source. A tunable dielectric resonator oscillator(DRO) is an ideal choice for such applications. In this paper, the simulation, design and realization of a tunable DRO with a center frequency of 6250 MHz is presented. Simulation has been carried out on HP-Ees of CAD software. Mechanical and electronic tuning features are provided. The DRO operates over a frequency range of 6235 MHz to 6375 MHz. The output power is +5.33 dBm at centre frequency. The performance of the DRO is as per design with respect to phase noise, harmonic levels and tunability. and hence, can conveniently be used for the intended applications.

Item Type: Journal Article
Publication: Journal of Spacecraft Technology
Publisher: ISRO Satellite centre
Additional Information: Copyright of this article belongs to ISRO Satellite centre.
Keywords: microwave sources;dielectric resonators;dielectric resonator oscillators.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 28 Apr 2010 09:19
Last Modified: 12 Oct 2018 14:38
URI: http://eprints.iisc.ac.in/id/eprint/27349

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