Presentation 2007-07-27
Investigation of Parasitic Capacitance to Improve EMC Macro Model LECCS around 1GHz
A. TAKAHASHI, K. IOKIBE, U. Paoletti, O. WADA, Y. TOYOTA, R. KOGA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) High frequency currents flowing in power supply networks of an IC/LSI has been estimated by an EMC macro model. The high frequency currents due to the simultaneous switching noise of IC/LSI involving large amount of CMOS transistor is modeled with a linear equivalent circuit and current sources. The linear equivalent circuit decreased its accuracy in impedance due to parasitic capacitances causing anti-resonances in the power supply networks. This paper shows with results of experimental and numerical analysis that the parasitic capacitances on the package and printed circuit board cause the anti-resonance. The power supply network impedance were obtained experimentally by use of three evaluation boards with different parasitic capacitances. The parasitic capacitances of the boards were calculated numerically by high-frequency electromagnetic analysis software Sonnet. Impedance simulations by considering the parasitic capacitance shows that an appropriate connection of parasitic capacitances to the LECCS model can expand an available frequency range of the model beyond 1 GHz.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Electromagnetic compatibility / Power network impedance / CMOS IC / LECCS model / Parasitic capacitance / Sonnet
Paper # EMCJ2007-33,EMD2007-19
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Conference Information
Committee EMD
Conference Date 2007/7/20(1days)
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Paper Information
Registration To Electromechanical Devices (EMD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Investigation of Parasitic Capacitance to Improve EMC Macro Model LECCS around 1GHz
Sub Title (in English)
Keyword(1) Electromagnetic compatibility
Keyword(2) Power network impedance
Keyword(3) CMOS IC
Keyword(4) LECCS model
Keyword(5) Parasitic capacitance
Keyword(6) Sonnet
1st Author's Name A. TAKAHASHI
1st Author's Affiliation Graduate School of Natural Science and Technology, Okayama University()
2nd Author's Name K. IOKIBE
2nd Author's Affiliation Graduate School of Natural Science and Technology, Okayama University
3rd Author's Name U. Paoletti
3rd Author's Affiliation Graduate School of Engineering, Kyoto University
4th Author's Name O. WADA
4th Author's Affiliation Graduate School of Engineering, Kyoto University
5th Author's Name Y. TOYOTA
5th Author's Affiliation Graduate School of Natural Science and Technology, Okayama University
6th Author's Name R. KOGA
6th Author's Affiliation Graduate School of Natural Science and Technology, Okayama University
Date 2007-07-27
Paper # EMCJ2007-33,EMD2007-19
Volume (vol) vol.107
Number (no) 168
Page pp.pp.-
#Pages 6
Date of Issue