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In this paper, we describe a novel microwave oscillator incorporating a CPW-based split ring resonator (SRR) as a resonant component of the circuit. The high-quality (Q) factor and spurious-free SRR contribute to phase noise reduction as well as the harmonic tuning of the oscillator circuit in a very small chip area. The fabricated 5.5-GHz oscillator showed an output power of 2.774 dBm with a second...
This paper describes a compact printed helical resonator and its application to a microwave oscillator circuit implemented in CPW technology. The high Q-factor and spurious-free characteristic of the resonator contribute to the phase noise reduction and the harmonic suppression of the resulting oscillator circuit, respectively. The designed resonator showed a loaded Q of 180 in a chip area of only...
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