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Silicided poly...silicon targe poly3 k2 ^9 D) }7 H: x6 b( U" b
unsilicided poly...unsilicon targe Poly
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. A3 m3 E2 u2 l' E- f" Btc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.)7 I! J o/ r1 P0 o( U
tc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)7 w' n: @& M# a* O! |( a
vc1 voltage across the first capacitor4 ~6 y3 i" M! ~4 S# h- {/ V
vc2 voltage across the second capacitor
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A two-terminal resistor.
: G* M9 J- d) P8 P' S; o, L; I1 [' yThe resistance R is influenced by the temperature as follows: ~9 U5 x1 V7 R; F$ e6 C. Z
R = N (1 + AT + BT2)' {3 a- I( X9 _8 }7 S5 {
T = Ta – Tn+ ?. K- I C4 S
where N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the
: I2 g2 u. D R* z6 c2 K/ Y.temp command; and Tn (the “nominal” temperature)* c2 s. x5 u2 A7 q# o! W- i
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1 p7 V* K# i+ Q, R1 T2 Y) H! E& j
This produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T3 x4 { R n1 S
is different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For
% n5 I' @6 S/ N( D& `example, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is
/ C6 o3 ~% C& @0 k6 V6 F: o3 S30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms.! Y0 z# _' n- `% D1 T3 V* o6 r" u
- x+ x( ] R( q( J. U' _[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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