A 10 GHz Low Phase Noise Split-Ring Resonator Oscillator
Keywords:
Low phase noise, oscillator, quality factor, split-ring resonator.Abstract
In this project, a method of designing a series
feedback split ring resonator (SRRs) oscillator with emphasize
on phase noise study has been proposed. The split ring
resonator oscillator is consisted of an active device of
ATF-36077, a GaAs PHEMT from Agilent, an array of split
ring resonator for frequency determining element and
microstrip-based output matching network. Mainly, this work
focused on modeling and designing an optimum performance of
SRRs oscillator in emphasizing the phase noise result. The
simulation of SRRs oscillator has been modeled using Agilent
Advanced Design System (ADS) and CST Microwave Studio
software. Three designs of SRRs have been compared for
Q-factor in which a high Q-factor of 6476 has been obtained
from File C of SRR design. Subsequently, based on this design,
the oscillator exhibited a low phase noise of -122.0 dBc/Hz at
offset frequency of 100 kHz and an output power of 7.46 dBm at
the oscillating frequency of 10.05GHz.
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