Noise Suppression Methods Using Spiral with PGS in PCB

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概要

• 論文の詳細を見る

• In this paper, several spiral inductors with various ground clearance structures and turns were investigated to achieve noise suppression up to the fourth harmonic (3.2GHz) regime of DDR3-1600. Their performances were characterized in terms of their capability to effectively suppress simultaneous switching noise (SSN) in the frequency region of interest. For a wider noise suppression bandwidth, a spiral inductor with large ground clearance, which provides a high self resonance frequency (SRF) as well as high inductances, was implemented. The proposed spiral inductor exhibited good noise suppression characteristics in the frequency domain and achieved 50% voltage fluctuation reduction in the time domain, compared to the identical 4-turn spiral without pattern ground structure.

著者

• YOOK Jong-Gwan

  Yonsei University

• CHUNG Tong-Ho

  Yonsei Univ., Seoul

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• Noise Suppression Methods Using Spiral with PGS in PCB
• Noise Suppression Methods Using Spiral with PGS in PCB

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