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Silicided poly...silicon targe poly* o* z2 k- I5 r A0 J
unsilicided poly...unsilicon targe Poly3 Y& N Q8 t7 _! K
2 W" H3 P! _# u2 a2 g0 k' Htc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.)6 `$ D- D: g! [
tc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)
: r4 A0 n" c. S' wvc1 voltage across the first capacitor
, j# E: b+ z9 Y$ {3 }$ v# rvc2 voltage across the second capacitor
9 B% m0 x+ e7 O4 {$ F6 ~" c( i; U% w9 P: e% t( w2 \! ^( z2 e
A two-terminal resistor.
5 f* D7 y I, y& H/ QThe resistance R is influenced by the temperature as follows:
: z4 A0 v; D/ V2 a/ q* aR = N (1 + AT + BT2)
4 r/ \4 l" m% f0 bT = Ta – Tn* X* U" G9 M$ r! R7 s
where N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the' Z3 h( p+ W, R x( E
.temp command; and Tn (the “nominal” temperature)
' X" h/ a l: n7 X9 O( H( z0 I" z; {4 f
v* k6 B2 \: z4 {+ |This produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T
& f. q1 v3 K5 j! W9 ~0 j$ D9 g) kis different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For; O# n( \& o- G4 f) j, s9 x2 _5 m) h9 h
example, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is
& h7 o' Q: g n% W7 P8 g4 F30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms.* S! ]2 c. g) A6 `: L
4 a" J! Y8 F! E3 h[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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