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Silicided poly...silicon targe poly
6 f6 W: ]- P- V: v3 M% B8 Y# j8 uunsilicided poly...unsilicon targe Poly/ t* p. p: g3 x- w4 ~2 G
7 a$ p' Q1 i7 ]. O0 X: e
tc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.)
7 z9 ?# _6 P x% _5 k V' mtc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)
6 ?) J3 X8 ~! n3 cvc1 voltage across the first capacitor4 a; X4 O; e" B* q/ u) F$ n P. e
vc2 voltage across the second capacitor# m0 P; e( o+ [ m
4 i% A2 s9 Z0 s& i
A two-terminal resistor.. M# n* L }! V8 I+ a, a: ]4 f( ?
The resistance R is influenced by the temperature as follows:
! A/ E0 b) X# yR = N (1 + AT + BT2)
# ]0 r5 O( Q7 OT = Ta – Tn% X4 j1 Q" d( ^4 o7 q' o1 b! T
where N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the
" G& n( ]; i! \2 p6 x7 f( N! u. O! U.temp command; and Tn (the “nominal” temperature)
" ^' {7 a( J4 t5 \; N, @
$ b* H: h! G6 S9 a, H. H& V2 {# v# z, E+ z7 ^3 Z
This produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T
: O9 h# a1 i$ G u* P+ ?) His different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For
6 r7 \+ C' j" I1 vexample, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is
$ a f+ O( {) c( U" U30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms.
9 Z; [4 w K5 C A' s9 m C1 R. B0 B/ }1 ~
[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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