Wideband frequency-domain characterization of FR-4 and time-domain causality

Antonije R. Djordjević; Radivoje M. Biljić; Vladana D. Likar-Smiljanić; Tapan K. Sarkar

doi:10.1109/15.974647

Wideband frequency-domain characterization of FR-4 and time-domain causality

Antonije R. Djordjević, Radivoje M. Biljić, Vladana D. Likar-Smiljanić, Tapan K. Sarkar

Department of Electrical Engineering & Computer Science

Research output: Contribution to journal › Article › peer-review

312 Scopus citations

Abstract

FR-4 is one of the most widely used dielectric substrates in the fabrication of printed circuits for fast digital devices. This material exhibits substantial losses and the loss tangent is practically constant over a wide band of frequencies. This paper presents measured data for the complex permittivity of this material from power frequencies up to the microwave region. In addition it gives simple closed-form expressions that approximate the measured data and provide a causal response in the time domain.

Original language	English (US)
Pages (from-to)	662-667
Number of pages	6
Journal	IEEE Transactions on Electromagnetic Compatibility
Volume	43
Issue number	4
DOIs	https://doi.org/10.1109/15.974647
State	Published - Nov 2001

Keywords

Causality
Dielectric losses
Dielectric measurements
Dispersive media

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/15.974647

Cite this

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AU - Sarkar, Tapan K.

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AB - FR-4 is one of the most widely used dielectric substrates in the fabrication of printed circuits for fast digital devices. This material exhibits substantial losses and the loss tangent is practically constant over a wide band of frequencies. This paper presents measured data for the complex permittivity of this material from power frequencies up to the microwave region. In addition it gives simple closed-form expressions that approximate the measured data and provide a causal response in the time domain.

KW - Causality

KW - Dielectric losses

KW - Dielectric measurements

KW - Dispersive media

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Wideband frequency-domain characterization of FR-4 and time-domain causality

Abstract

Keywords

ASJC Scopus subject areas

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