Design of miniaturized common-mode filter by multi-layer low temperature co-fired ceramic

Bin Chyi Tseng; Lin-Kun Wu; Jyh Wen Sheen; Ann Lee Wang

doi:10.1109/ISEMC.2003.1236625

Design of miniaturized common-mode filter by multi-layer low temperature co-fired ceramic

Bin Chyi Tseng^*, Lin-Kun Wu, Jyh Wen Sheen, Ann Lee Wang

^*Corresponding author for this work

National Chiao Tung University

Research output: Contribution to journal › Conference article › peer-review

Abstract

A miniaturized common-mode filter composed of multiple substrates is proposed in this paper. The pattern of each positive coil is interlaced with that of each negative coil, whereby when the positive and negative coils are alternately stacked, the positive coils do not overlap negative coils. With such offset configuration of the coils, the parasitic capacitance introduced between overlapped traces is reduced. So, the thickness of each substrate can be decreased and the size of the entire filter is effectively reduced. Good agreements between simulated and measured results are demonstrated. Further, the effectiveness of this filter is revealed by radiation spectrum measurements.

Original language	English
Pages (from-to)	378-383
Number of pages	6
Journal	IEEE International Symposium on Electromagnetic Compatibility
Volume	1
DOIs	https://doi.org/10.1109/ISEMC.2003.1236625
State	Published - 20 Oct 2003
Event	2003 IEEE Symposium on Electromagnetic Compatibility - Boston, MA, United States Duration: 18 Aug 2003 → 22 Aug 2003

Keywords

Common-mode filter
Differential signal
Low temperature co-fired ceramic (LTCC)
Mixed-mode S parameters
Multi-layer

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10.1109/ISEMC.2003.1236625

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@article{d3730477c10848e7b330c2f95c61f196,

title = "Design of miniaturized common-mode filter by multi-layer low temperature co-fired ceramic",

abstract = "A miniaturized common-mode filter composed of multiple substrates is proposed in this paper. The pattern of each positive coil is interlaced with that of each negative coil, whereby when the positive and negative coils are alternately stacked, the positive coils do not overlap negative coils. With such offset configuration of the coils, the parasitic capacitance introduced between overlapped traces is reduced. So, the thickness of each substrate can be decreased and the size of the entire filter is effectively reduced. Good agreements between simulated and measured results are demonstrated. Further, the effectiveness of this filter is revealed by radiation spectrum measurements.",

keywords = "Common-mode filter, Differential signal, Low temperature co-fired ceramic (LTCC), Mixed-mode S parameters, Multi-layer",

author = "Tseng, {Bin Chyi} and Lin-Kun Wu and Sheen, {Jyh Wen} and Wang, {Ann Lee}",

year = "2003",

month = oct,

day = "20",

doi = "10.1109/ISEMC.2003.1236625",

language = "English",

volume = "1",

pages = "378--383",

journal = "IEEE International Symposium on Electromagnetic Compatibility",

issn = "0190-1494",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

note = "null ; Conference date: 18-08-2003 Through 22-08-2003",

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T1 - Design of miniaturized common-mode filter by multi-layer low temperature co-fired ceramic

AU - Tseng, Bin Chyi

AU - Wu, Lin-Kun

AU - Sheen, Jyh Wen

AU - Wang, Ann Lee

PY - 2003/10/20

Y1 - 2003/10/20

N2 - A miniaturized common-mode filter composed of multiple substrates is proposed in this paper. The pattern of each positive coil is interlaced with that of each negative coil, whereby when the positive and negative coils are alternately stacked, the positive coils do not overlap negative coils. With such offset configuration of the coils, the parasitic capacitance introduced between overlapped traces is reduced. So, the thickness of each substrate can be decreased and the size of the entire filter is effectively reduced. Good agreements between simulated and measured results are demonstrated. Further, the effectiveness of this filter is revealed by radiation spectrum measurements.

AB - A miniaturized common-mode filter composed of multiple substrates is proposed in this paper. The pattern of each positive coil is interlaced with that of each negative coil, whereby when the positive and negative coils are alternately stacked, the positive coils do not overlap negative coils. With such offset configuration of the coils, the parasitic capacitance introduced between overlapped traces is reduced. So, the thickness of each substrate can be decreased and the size of the entire filter is effectively reduced. Good agreements between simulated and measured results are demonstrated. Further, the effectiveness of this filter is revealed by radiation spectrum measurements.

KW - Common-mode filter

KW - Differential signal

KW - Low temperature co-fired ceramic (LTCC)

KW - Mixed-mode S parameters

KW - Multi-layer

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DO - 10.1109/ISEMC.2003.1236625

M3 - Conference article

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VL - 1

SP - 378

EP - 383

JO - IEEE International Symposium on Electromagnetic Compatibility

JF - IEEE International Symposium on Electromagnetic Compatibility

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Y2 - 18 August 2003 through 22 August 2003

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