IEICE TRANSACTIONS on Electronics
A Universal Equivalent Circuit Model for Ceramic Capacitors
Summary :
A physics-based equivalent circuit model of the ceramic capacitor is proposed, which can reproduce frequency characteristics of its impedance including the often observed yet hitherto physically unexplained kinks appearing above the primary series resonance frequency. The model can also account for parasitic effects of external inductances. In order to efficiently analyze and gain engineering insight into ceramic capacitors with a large number of metallic laminae, a two-dimensional method of moments is developed that treats the laminar structure as a uniform, effective medium. It turns out that the primary resonance and the kinks can be well understood and modeled by a lossy transmission line stub with a drastic wavelength reduction. The capacitor model is completed by adding components describing the skin effect and external inductances. The modeled impedance stays within a 4% margin of error up to 5 GHz. The proposed model could greatly improve the accuracy of power distribution network simulation.
- Publication
- IEICE TRANSACTIONS on Electronics Vol.E93-C No.3 pp.347-354
- Publication Date
- 2010/03/01
- Publicized
- Online ISSN
- 1745-1353
- DOI
- 10.1587/transele.E93.C.347
- Type of Manuscript
- Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
- Category
Authors
Keyword
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Koh YAMANAGA, Shuhei AMAKAWA, Kazuya MASU, Takashi SATO, "A Universal Equivalent Circuit Model for Ceramic Capacitors" in IEICE TRANSACTIONS on Electronics,
vol. E93-C, no. 3, pp. 347-354, March 2010, doi: 10.1587/transele.E93.C.347.
Abstract: A physics-based equivalent circuit model of the ceramic capacitor is proposed, which can reproduce frequency characteristics of its impedance including the often observed yet hitherto physically unexplained kinks appearing above the primary series resonance frequency. The model can also account for parasitic effects of external inductances. In order to efficiently analyze and gain engineering insight into ceramic capacitors with a large number of metallic laminae, a two-dimensional method of moments is developed that treats the laminar structure as a uniform, effective medium. It turns out that the primary resonance and the kinks can be well understood and modeled by a lossy transmission line stub with a drastic wavelength reduction. The capacitor model is completed by adding components describing the skin effect and external inductances. The modeled impedance stays within a 4% margin of error up to 5 GHz. The proposed model could greatly improve the accuracy of power distribution network simulation.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E93.C.347/_p
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@ARTICLE{e93-c_3_347,
author={Koh YAMANAGA, Shuhei AMAKAWA, Kazuya MASU, Takashi SATO, },
journal={IEICE TRANSACTIONS on Electronics},
title={A Universal Equivalent Circuit Model for Ceramic Capacitors},
year={2010},
volume={E93-C},
number={3},
pages={347-354},
abstract={A physics-based equivalent circuit model of the ceramic capacitor is proposed, which can reproduce frequency characteristics of its impedance including the often observed yet hitherto physically unexplained kinks appearing above the primary series resonance frequency. The model can also account for parasitic effects of external inductances. In order to efficiently analyze and gain engineering insight into ceramic capacitors with a large number of metallic laminae, a two-dimensional method of moments is developed that treats the laminar structure as a uniform, effective medium. It turns out that the primary resonance and the kinks can be well understood and modeled by a lossy transmission line stub with a drastic wavelength reduction. The capacitor model is completed by adding components describing the skin effect and external inductances. The modeled impedance stays within a 4% margin of error up to 5 GHz. The proposed model could greatly improve the accuracy of power distribution network simulation.},
keywords={},
doi={10.1587/transele.E93.C.347},
ISSN={1745-1353},
month={March},}
Copy
TY - JOUR
TI - A Universal Equivalent Circuit Model for Ceramic Capacitors
T2 - IEICE TRANSACTIONS on Electronics
SP - 347
EP - 354
AU - Koh YAMANAGA
AU - Shuhei AMAKAWA
AU - Kazuya MASU
AU - Takashi SATO
PY - 2010
DO - 10.1587/transele.E93.C.347
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E93-C
IS - 3
JA - IEICE TRANSACTIONS on Electronics
Y1 - March 2010
AB - A physics-based equivalent circuit model of the ceramic capacitor is proposed, which can reproduce frequency characteristics of its impedance including the often observed yet hitherto physically unexplained kinks appearing above the primary series resonance frequency. The model can also account for parasitic effects of external inductances. In order to efficiently analyze and gain engineering insight into ceramic capacitors with a large number of metallic laminae, a two-dimensional method of moments is developed that treats the laminar structure as a uniform, effective medium. It turns out that the primary resonance and the kinks can be well understood and modeled by a lossy transmission line stub with a drastic wavelength reduction. The capacitor model is completed by adding components describing the skin effect and external inductances. The modeled impedance stays within a 4% margin of error up to 5 GHz. The proposed model could greatly improve the accuracy of power distribution network simulation.
ER -
English
