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&ccedil&not - 3 3.29 3.30 I 1 R L G L R G E 3.29 U 10 k 220 7.7 k 220 51 k D V 1 V 1

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3. ? ? ? ? ? ? ? ?           ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? 3.29 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 3.30 ? ? ?
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? 3.29 ? ? ? ? ? ? ? ? ? R L £½ G L 1 E R G U I
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? 3.30 ? ? ? ? ? ? ? ? ? ? ? ? ?   10 k 51 k 220 7 .7 k 220 120 继继继 £« 28 V D 2 V 3 V 2 V 1 D 1 0V
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     ? ? 3.29 ? ? ? ? ?         ? ? ,RL ? ? ? ? ? ,RG ? ? ? ? ? ? ? ? ? ? ? ? ? Q ? ( ? ? 3.31 ? ? ) ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ΔRG, ? ? ? ? ? L G E I R R = + L G G E I I R R R + ∆ = + + ∆
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    ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?   (3.5)          ? ? , ? ? ? ? ? ? ? ? : ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ( ? ΔRG<0) ? , ? ? ? ? ?   ( )( ) G I G G L G R E I R R R R R -∆ ∆ = + + ∆ + 2 ( ) G L G E R I R R - ∆ ∆ ≈ +
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             ? ? , ? ? ? ? ? ? ? ? : ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ( ? ΔRG<0)
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This note was uploaded on 11/24/2011 for the course EE Sensor taught by Professor Smith during the Summer '09 term at Shanghai Jiao Tong University.

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&ccedil&not - 3 3.29 3.30 I 1 R L G L R G E 3.29 U 10 k 220 7.7 k 220 51 k D V 1 V 1

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