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Silicided poly...silicon targe poly
1 I; ^/ V4 H% J5 P; _8 S$ }unsilicided poly...unsilicon targe Poly
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5 _+ C" W0 R3 U+ E4 e/ b4 \' G7 _tc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.)
% c5 y7 g( R" itc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)6 `: e9 ~% m7 O+ d% F: F3 q. Y
vc1 voltage across the first capacitor8 E( J2 e r5 C
vc2 voltage across the second capacitor7 _! a+ i% u, _8 c' q: Y9 i$ U
3 ]+ x* d6 W/ D cA two-terminal resistor.* J: A# Q4 L& p6 p! j: H% t w! u
The resistance R is influenced by the temperature as follows:# `: z! ~8 a) H' }; j
R = N (1 + AT + BT2). x# d0 Q3 V) ^2 X9 N7 p
T = Ta – Tn
" r: e6 H8 {, c3 c5 Cwhere N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the
& C& \& f0 W \.temp command; and Tn (the “nominal” temperature)
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" O2 ?# M9 C# z1 E& i$ t lThis produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T' _. r! M% E2 U
is different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For: q3 n9 G6 [0 p. T9 `/ ]8 I; u- a
example, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is" \! V; ~& c3 g. I9 L" W5 Q P' ^
30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms.
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/ n& B, C0 Z1 ^; H) `: \! \: `[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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