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Silicided poly...silicon targe poly
% I2 w2 j+ Q6 o6 I3 G, zunsilicided poly...unsilicon targe Poly
; w" {$ Q R- Z7 X# Z& S, @! T' t4 ]$ H" X ^
tc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.)
' F+ y; w) |( V# `# H% Itc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)
3 D* j# D* [: _vc1 voltage across the first capacitor
% }6 \+ R$ F& E3 i0 Zvc2 voltage across the second capacitor3 X" l+ R T3 T9 ~9 {# Q5 X( S
i0 s1 f7 y2 Q/ @6 S T6 kA two-terminal resistor.
3 P, ~ D; _2 j+ o7 i5 d+ XThe resistance R is influenced by the temperature as follows:
" D. P) i! [1 G2 c7 h, o' IR = N (1 + AT + BT2)
. { j" @* g3 w+ p5 G5 PT = Ta – Tn8 H: X7 W k0 H Z3 f G
where N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the7 n X8 C& Z/ ~5 p m. t3 R
.temp command; and Tn (the “nominal” temperature)$ g' V7 N+ U& y) L: J, |
4 J- Q; r3 e7 l' b3 c
8 E7 s) G4 J3 V# a* X6 Q8 G. yThis produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T9 N9 _5 V1 F6 a9 c! {, W! h
is different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For
* b3 ` q' t' Jexample, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is
5 ~( t* O3 E+ |1 L$ i. S30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms./ _! Y4 D w0 I2 w
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[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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