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&ccedil&not - NTC Mn Co Ni Fe R0

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NTC ? ? ? ? ? ? ? ? Mn ? Co ? Ni ? Fe ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? R0 ? ? ? ? ? ? ? ? ?              ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ?
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2 ) ? ? ? ? ? ? ? ? ?                ? ? ? ? ? ? ? ? ? ? ?              ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 8.5 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? (NTC ? ) ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? , ? ? ? ? Uout ? ? ? ? 0 ~ 100°C ? ? ? ? ? ? ? ? ? ? : (8.7) b s out Th s U R U R R = +
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            ?    8.5 θ U b R Th U out R s U b U 332.2 3.322 k R s 3 k R
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             ? ? ? (8.3) ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? Rs ? , ? ? ? ? ? ? ? ? 0°C ? 50°C ? 100°C ? ? ? ? ? ? ? Uout(50)×2=Uout(0)+Uout(100) ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? Rs ? , (8.8) 0 100 0 50 50 100 50 100 0 2 2 Th Th Th Th Th Th s Th Th Th R R R R R R R R R R - - = + +
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    ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? RTh0=30.0kΩ; RTh50=4.356kΩ; RTh100=1.017kΩ      ? ? ? ? ( 8.8 ) ? ? ? Rs=3.322kΩ ?              ? 8.6 ? ? 8.5 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? 100°C ? ? ? ? ? ? ? ? ? ?              ? ? , ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? (8.9) 2 ( ) Th Th s U P R R R = + g
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? 8.6 ? ? ? ? ? ? ? ? ?   10 50 100 0 50 100 ÌØÐÔ°Ù·Ö±È / £¥
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? 8.7 ? ? ? ? ? ? ? ? ? ? ? ? ? 0.05 0.10 0.15 0 50 100 ÇÅʽÏß·μçѹ:1.4 V R s : 3.322 k T / ¡ae μ繦ÂÊ P / mW
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             ? ? ? ? ? ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ? ? ? ? ? ? ? :              ? ? ? ? ? ? ? ? ? ? ? 8.8 ? ? ? ? ? ? RT ? ? ? , ? ? ? ? ? ? ? ?   ? ( 8.3 ) ? ? ? ? ? ? 3 1 1 2 T R E U R R R = g g g 3 1 0 1 2 0 1 1 exp[ ( )] R E U R B R R T T = - g g g
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         ?   
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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 - NTC Mn Co Ni Fe R0

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