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*capdelay: h: m" o! R4 f4 S5 M
.option scale=90n
# i) A$ Y9 ~; Q& Q% ?0 V2 u.param SUPPLY=1.8
) m7 w! r/ b4 u$ e.lib rf018.l TT
# C) m& g- d+ S9 T.option post/ R" O& _' P. |; l% h
.global vdd gnd
1 T+ _6 @7 e3 g0 m( Z* k: {.subckt inv a y0 X, u3 P6 D$ A
M1 y a gnd gnd nch W=16 L=2 AD=0 AS=0 PD=0 PS=0
! D0 A g7 Z i7 DM2 y a vdd vdd pch W=32 L=2 AD=0 AS=0 PD=0 PS=09 ^2 ]% I, V2 }; I. Y, q+ e# D
.ends
o W7 @. F* oVdd vdd gnd 'SUPPLY'
: n9 C! i8 z- n+ K, d4 VVin a gnd pulse(0 'SUPPLY' 1ns 0.5ns 0.5ns 4ns 10ns)
, \# _ ?# @- T& A# dX1 a b inv' v- @7 t, p4 }& T- p
X2 b c inv M=46 h: o: x0 E* Y. V7 M
X3 c d inv M=8
! q5 \5 j/ O" W4 o6 YX4 d e inv M=32$ Z0 ?, Z6 I+ r& X6 s) D
X5 e f inv M=128
* B1 g0 r/ z1 E$ Q% ^& Y+ aX6 c g inv M=8
3 I+ a- M* ]7 }0 g0 u8 ^4 I9 zcdelay g gnd 'CperMicron*32*(16+32)*90n/1u'
0 B" z* h3 l' D; @! W.measure errorR param='invR - capR' goal=03 a) H0 M w2 }; Y. W+ D2 t
.measure errorF param='invF - capF' goal=0
. ~/ U% r9 u, H' u.param CperMicron=optrange(2f. 1f, 3.0f)7 L& r8 f7 t; K+ G2 I
.model optmod opt itropt=30
2 p3 s O W% [2 C/ ].measure CperMic param = 'CperMicron'
P/ G- V0 l" T% c0 E.tran .1ns 12ns SWEEP OPTIMIZE = optrange RESULTS=errorR,errorF MODEL=optmod4 ]% ]! g1 k* D; U' S v
.measure invR& E% T9 X' y4 r z) q# x
+ TRIG v(c) VAL='SUPPLY/2' FALL=1 w' h O2 q; l2 i4 G0 {* J% g
+ TARG v(d) VAL='SUPPLY/2' RISE=1 q9 N" n6 s1 R5 v1 i v- h0 q
.measure capR
4 ]9 n) g1 l) q* W# `1 a0 T8 z+ TRIG v(c) VAL='SUPPLY/2' FALL=1
w4 j3 {5 f1 @& q% s; Z `+ TARG v(g) VAL='SUPPLY/2' RISE=1
3 x7 l6 h+ u! S" @! z% l# _" g.measure invF
7 B( I" t* a4 m* |( F1 W8 ?+ TRIG v(c) VAL='SUPPLY/2' RISE=1& n4 k2 H1 G# |2 n4 L6 `
+ TARG v(d) VAL='SUPPLY/2' FALL=1! f* R& f5 h2 m( F" j8 K4 G$ X
.measure capF* z& i4 \) K9 b4 y" W, F
+ TRIG v(c) VAL='SUPPLY/2' RISE=1 Y* E/ k# X7 R' \
+ TARG v(g) VAL='SUPPLY/2' FALL=12 |0 F$ m6 _ F7 K8 q. U
.end
) S1 h, k7 P3 y
0 x: f+ J- R4 W* E這是我參考書上直接打下來的8 I6 ?' V) H1 B4 c1 a
有些地方程式為什麼要寫成這樣有些不懂! y: K' j4 p4 @: {, D
從cdelay g gnd 'CperMicron*32*(16+32)*90n/1u'這行以下,可以幫我解釋一下每行所代表的意義嗎?, Y# \0 s6 Z" Y, g8 g
還有.lib rf018.l TT 後面的 TT 是什麼意思?
- N" v3 S; i+ ]+ S* z4 y- p為什麼要選用TT, TT 代表的意思為何? |
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