Analytic Design of on-Chip Spiral Inductor with Variable Line Width Article Swipe
Hao-Hui Chen
,
Yao‐Wen Hsu
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/electronics11132029
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/electronics11132029
On-chip spiral inductors with variable line width layouts are known for their high quality factor (Q-factor). In this paper, we present an analytical approach to facilitate the design of such inductors. Based on an analysis of ohmic and eddy-current losses, we first derive an analytical formula for the metal resistance calculation of a spiral inductor. By minimizing the metal resistance, a simple design equation for finding the proper line width of each coil is then presented. Several 0.18 μm CMOS spiral inductors are investigated, via electromagnetic simulations and experimental studies, to test the proposed resistance calculation, as well as the variable line width design method. It is found that the developed resistance calculation can effectively model the metal-line resistance of a spiral inductor. Moreover, the inductor with a variable line width obtained using the proposed method can significantly improve the Q-factor with little compromise to inductance, which validates the capacity of the developed variable line width design technique. Since the proposed approach can be carried out using analytical calculations, it may be a more efficient design method than those previously reported in the literature.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/electronics11132029
- https://www.mdpi.com/2079-9292/11/13/2029/pdf?version=1656580632
- OA Status
- gold
- Cited By
- 14
- References
- 30
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4283697384
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4283697384Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/electronics11132029Digital Object Identifier
- Title
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Analytic Design of on-Chip Spiral Inductor with Variable Line WidthWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-06-28Full publication date if available
- Authors
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Hao-Hui Chen, Yao‐Wen HsuList of authors in order
- Landing page
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https://doi.org/10.3390/electronics11132029Publisher landing page
- PDF URL
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https://www.mdpi.com/2079-9292/11/13/2029/pdf?version=1656580632Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://www.mdpi.com/2079-9292/11/13/2029/pdf?version=1656580632Direct OA link when available
- Concepts
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Inductor, Inductance, Skin effect, Eddy current, Electronic engineering, Equivalent series resistance, Variable (mathematics), Q factor, Electromagnetic coil, Engineering, Electrical engineering, Mathematics, Voltage, Resonator, Mathematical analysisTop concepts (fields/topics) attached by OpenAlex
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14Total citation count in OpenAlex
- Citations by year (recent)
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2025: 4, 2024: 4, 2023: 3, 2022: 3Per-year citation counts (last 5 years)
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30Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| referenced_works | https://openalex.org/W2164532932, https://openalex.org/W2160428624, https://openalex.org/W2168319004, https://openalex.org/W2157095655, https://openalex.org/W2038595430, https://openalex.org/W2559967964, https://openalex.org/W2104614156, https://openalex.org/W2059546765, https://openalex.org/W1974434852, https://openalex.org/W2072342926, https://openalex.org/W3082351304, https://openalex.org/W3194591345, https://openalex.org/W3217269181, https://openalex.org/W1977641510, https://openalex.org/W2560608842, https://openalex.org/W1978040806, https://openalex.org/W2971634213, https://openalex.org/W2327244765, https://openalex.org/W1493204046, https://openalex.org/W2130693213, https://openalex.org/W2080339491, https://openalex.org/W3024914923, https://openalex.org/W2584920463, https://openalex.org/W2039236724, https://openalex.org/W2147451535, https://openalex.org/W2169838451, https://openalex.org/W2157644247, https://openalex.org/W2000982649, https://openalex.org/W2136234499, https://openalex.org/W2482516991 |
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