Design of Active Shield Circuit with Automatic Tuning Scheme(Mixed Signal, <Special Section>Analog Circuit and Device Technologies)
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概要
- 論文の詳細を見る
A feedforward-based active shielding technique for digital noise suppression is more preferred for its capability of reducing the noise on the entire area inside the guard ring. In order to compensate for the variation of substrate parameters, an automatic control scheme to tune the gain of the active shield circuit is proposed. Simulation results show the effectiveness of the proposed system in reducing the digital noise regardless of circuit layout. Simulation results also show that noise suppression improvement from passive guard ring to active shield with tuning is 20 dB or one tenth while that from active shield without tuning to active shield with tuning is 12 dB.
- 社団法人電子情報通信学会の論文
- 2005-06-01
著者
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Nicodimus Retdian
Department Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo
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Nicodimus Retdian
Department Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo
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Takagi Shigetaka
Department Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo
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Takagi Shigetaka
Department Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo
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