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A compact-size microstrip spiral resonator and its application to microwave oscillator
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- Authors
- Young-Taek Lee, Jong-Sik Lim, Chul-Soo Kim, Dal Ahn, Sangwook Nam
- Issue Date
- 2002-10
- Citation
- IEEE Microwave and Wireless Components Letters, v.12, no.10, pp.375-377
- ISSN
- 1531-1309
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- This letter presents a compact size microstrip spiral resonator and its application to a low phase noise oscillator. This resonator has stopband characteristics to be used in the series feedback oscillator topology. The whole circuit area of the proposed resonator is within 1/10 wavelength, which results in the reduction of the circuit area and cost. A 10-GHz oscillator incorporated with this resonator was designed, fabricated and measured. It shows low phase noise performance of -95.4-dBc/Hz at 100 kHz offset.
- KSP Keywords
- Compact size, Low Phase noise oscillator, Noise performance, feedback oscillator, microwave oscillator, series feedback, spiral resonator