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*capdelay
- Y; H o+ _- N5 i.option scale=90n
& V) \' I* [! L5 s1 k.param SUPPLY=1.8
- c$ s, A; N' i* f.lib rf018.l TT
( B, C6 {7 e, j8 K.option post" _/ P V+ s9 N2 M% U0 v
.global vdd gnd
0 I8 K% k, j# Z0 a0 V.subckt inv a y2 U+ x& L7 h% R- w0 ?3 Q7 c
M1 y a gnd gnd nch W=16 L=2 AD=0 AS=0 PD=0 PS=0
, h# o( O' Q( X8 Q: t, f/ GM2 y a vdd vdd pch W=32 L=2 AD=0 AS=0 PD=0 PS=0
" y. G: g2 B& t- b# W* E.ends
* {9 H/ y0 B- m! r+ ]' n2 R; RVdd vdd gnd 'SUPPLY'* w7 l7 w$ D* g0 [
Vin a gnd pulse(0 'SUPPLY' 1ns 0.5ns 0.5ns 4ns 10ns)& Z! w0 C: S: Q7 H) K2 V4 g
X1 a b inv
- L, u- l+ ~. k" @' H5 a) cX2 b c inv M=4. O1 L1 y: r5 B4 p
X3 c d inv M=8
( G, p2 [# y! b) Q/ }% \) VX4 d e inv M=32
% ~; S, r1 r1 L2 n/ mX5 e f inv M=1282 R0 a8 ^) D9 V9 I
X6 c g inv M=8
5 h! O# m2 M d3 Q) C, b7 o, W; p0 n1 tcdelay g gnd 'CperMicron*32*(16+32)*90n/1u'% }& s0 j0 A* C; ^$ {5 n4 d6 d
.measure errorR param='invR - capR' goal=0& H/ A( n3 l! S8 @
.measure errorF param='invF - capF' goal=0" |9 k3 v2 [2 w4 N6 b) `1 e8 m
.param CperMicron=optrange(2f. 1f, 3.0f): \/ q4 s1 W* l) y2 b: |
.model optmod opt itropt=30
2 c2 d5 \# P, H.measure CperMic param = 'CperMicron'
- X9 j, p# v% d* t8 T: }+ @+ C# [0 s.tran .1ns 12ns SWEEP OPTIMIZE = optrange RESULTS=errorR,errorF MODEL=optmod
+ i" d; a, l, W6 Z.measure invR
( e. K( c% O o+ TRIG v(c) VAL='SUPPLY/2' FALL=1( Y% y6 S/ l% D- F" X
+ TARG v(d) VAL='SUPPLY/2' RISE=1 T5 @; I8 I7 t; e1 k
.measure capR2 F" i& I0 n; m/ V" ]5 d
+ TRIG v(c) VAL='SUPPLY/2' FALL=12 v/ W! B* w4 L @. q" b
+ TARG v(g) VAL='SUPPLY/2' RISE=16 b- G% @( z, T& S! }
.measure invF
3 A1 y5 j. t3 W( \. J$ L! ~! Y+ TRIG v(c) VAL='SUPPLY/2' RISE=1* n D" [( c2 z* l1 R0 E1 b
+ TARG v(d) VAL='SUPPLY/2' FALL=1
& E- U8 z3 }. e5 B$ i.measure capF! }/ M' s) m9 z; j( o6 O
+ TRIG v(c) VAL='SUPPLY/2' RISE=12 @. g6 @6 P N
+ TARG v(g) VAL='SUPPLY/2' FALL=1& Q# z( H3 G6 g/ u
.end
9 m9 w5 ?7 W. F/ z
4 F8 T6 ]; Q) m+ r3 f. @7 F0 d這是我參考書上直接打下來的4 z3 d z& V! H2 H
有些地方程式為什麼要寫成這樣有些不懂
: ]* R3 e/ n1 a; T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?9 S9 M. h/ g o8 s6 j0 e/ u
還有.lib rf018.l TT 後面的 TT 是什麼意思?
b5 {7 h& v) a, J, I為什麼要選用TT, TT 代表的意思為何? |
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