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Silicided poly...silicon targe poly J0 j+ O/ Y- i7 h
unsilicided poly...unsilicon targe Poly$ ^( X; i: L. F" ^3 Q$ d8 z6 a
: i0 X, _$ H7 H8 w8 @9 rtc1 First-order temperature coefficient. (Default: resistor model parameter tc1r; 0 if no model is specified.)
9 H6 c6 R3 ~8 `: X& O. i8 {tc2 Second-order temperature coefficient. (Default: resistor model parameter tc2r; 0 if no model is specified.)( X+ C0 S$ V) U0 |
vc1 voltage across the first capacitor, R7 Q' M- _9 I( Z. h% q, i' v
vc2 voltage across the second capacitor1 l! [6 p9 u1 r8 ]2 n- _4 j( x
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A two-terminal resistor.
7 v% j3 T' q; W: ^2 q' DThe resistance R is influenced by the temperature as follows:
: E" O: b+ P" V6 A. ?+ v4 K, NR = N (1 + AT + BT2)# t/ q' |* j' Z5 m: h; d
T = Ta – Tn! |: z4 b! x, |6 Y9 _$ I X
where N, A, B are device parameters described below; Ta (the “ambient” temperature) is set by the$ W; W/ ?6 O, D9 P/ J! |& ?, \1 S/ ^
.temp command; and Tn (the “nominal” temperature)% B& l U+ G$ j* W- K/ X8 B8 P
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! q( m7 Z) O0 s+ v: BThis produces a resistor of resistance 30 kilohms at the nominal temperature tnom. If the temperature T
( Y: A$ q' ^2 y* i8 Wis different from tnom, the resistance is 30,000*(1+0.01*(T-tnom)+0.0001*(T-tnom)*(T-tnom)). For- o( u8 S2 a- I: L. X, H5 o) k1 Z0 b
example, if the circuit temperature is 127 degrees and tnom is 27 degrees, the resistance is8 L" @3 N; g* x* x' t5 S
30,000*(1+0.01*100+0.0001*100*100) = 90,000 Ohms.
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[ 本帖最後由 m851055 於 2007-7-30 08:50 PM 編輯 ] |
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