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= Coil driver = = Coil driver (担当者:辰巳) =
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辰巳さん、Pre-emphasisとDe-emphasisをどこに入れたらいいか分かるようなブロックダイヤグラムを作って下さい。(宮川)
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まずは現状のブロックダイアグラムを三代木さんに作ってもらって。

De-emphasis は coil driver の入力部分。as illustrated in circuit diagram.

Pre-emphasis は
mixer --> AD797 pre-amp --> PE --> servo filter が理想的ですが
三代木さんと相談。Demodulator (mixer) になるべく近いところが良いが
なんせいきなりサーボ回路に入力されているので。
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 * [[attachment:FirstPhase.pdf|Whitened Error and Feedback spectrum (新井)]] (090115)<<BR>>
 デジタルシステムの導入も見越して、PE の仕様を pole 3Hz, zero 300Hz から
 pole 1Hz, zero 50Hz に変更。

Coil driver (担当者:辰巳)


CLIO/Tasks/CoilDriver (last edited 2009-09-04 09:31:39 by OsamuMiyakawa)