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Conference Paper
Cost Effective Parallel-branch Spiral Inductor with Enhanced Quality Factor and Resonance Frequency
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- Issue Date
- 2007-01
- Citation
- Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF) 2007, pp.87-90
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we present a cost effective parallel-branch spiral inductor with enhanced quality factor and resonance frequency. This structure is designed to improve the quality factor, but different from other fully stacked spiral inductors. The parallel-branch effect is increased by overlapping the first metal below the second metal with same direction. Measurement result shows an increased quality factor of 12% improvement. Also, we show an octagonal parallel-branch inductor which reduces parasitic capacitances for higher frequency applications. © 2007 IEEE.
- KSP Keywords
- Parasitic Capacitance, Quality-factor(Q-factor), Resonance frequency, Second metal, cost-effective, higher frequency, spiral inductor