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Silicided poly...silicon targe poly
, v2 ` j' i- G N4 f% F4 punsilicided poly...unsilicon targe Poly
& \/ C" Z1 _4 M1 B4 r: g$ [$ ?7 _- F; @1 _
tc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.), t; a2 f. K( g7 R" C
tc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)- w7 X" q) m2 n. z& L
vc1 voltage across the first capacitor5 V$ w4 f1 ^ M
vc2 voltage across the second capacitor# [; Y3 q( R, v- K+ E
2 L. P. y; P! g1 C3 n0 G3 G2 T. R0 ~/ s) Q
A two-terminal resistor.# z! m E2 J0 v# o
The resistance R is influenced by the temperature as follows:
7 A' X' Q7 C* v. ?9 J( GR = N (1 + AT + BT2). k% q8 {" N1 D0 P- `/ K# ?
T = Ta – Tn
- i) s9 U0 |$ r( z% Mwhere N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the
" R; |' N( i$ l" |# V.temp command; and Tn (the “nominal” temperature)1 a3 x0 A- w c/ b" |/ \6 U
* y8 U5 J+ g2 Z/ B2 h9 B1 i
4 d! ?2 ]6 M- ~' F* {
This produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T
5 L0 [) t: G3 l+ g5 Mis different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For6 V8 S6 W% P3 c5 v6 _$ q
example, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is
8 a' s# O8 O- u0 z# T3 P) d5 a30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms.+ y: y% C, O8 F7 f9 c( X
, M7 I; I0 v3 s9 g, A! O
[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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