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*capdelay$ `# G7 S% x; w
.option scale=90n4 ?7 T' Y. n* l4 S7 ^9 c
.param SUPPLY=1.84 o7 Z5 e* s/ ?; ~
.lib rf018.l TT
* v7 A% N; F2 m.option post
2 Y1 F7 q _- p! g1 c# K5 {.global vdd gnd0 c4 a! k$ E7 c, a
.subckt inv a y
/ g s9 v4 [2 }M1 y a gnd gnd nch W=16 L=2 AD=0 AS=0 PD=0 PS=0. O( v: p0 F& S' m! j. \7 X. R
M2 y a vdd vdd pch W=32 L=2 AD=0 AS=0 PD=0 PS=0# C. e# E) P( i2 x' }6 y
.ends7 ~" p6 b% u, g8 Q* C* ^) T2 B
Vdd vdd gnd 'SUPPLY'
4 n Q2 @6 H- B* S. N6 V% p! tVin a gnd pulse(0 'SUPPLY' 1ns 0.5ns 0.5ns 4ns 10ns)
4 _; l1 |; E8 ^. o& NX1 a b inv
/ l8 `; ]4 u* q2 F6 y) jX2 b c inv M=45 t4 S7 S* {- C" p I8 i
X3 c d inv M=8
7 B! D. H- |% f$ ]X4 d e inv M=32
/ t3 E3 B& y! xX5 e f inv M=128' j! j% Q3 u( S
X6 c g inv M=82 g/ i9 ~" P: t( b
cdelay g gnd 'CperMicron*32*(16+32)*90n/1u'
6 J+ w- d1 ~( s! k, A.measure errorR param='invR - capR' goal=0
: N% @' \' D) `* P8 u9 e% l% o.measure errorF param='invF - capF' goal=0) \' F3 B5 p t" s
.param CperMicron=optrange(2f. 1f, 3.0f)2 C6 ?+ j; X) ^& }4 q9 f
.model optmod opt itropt=30. f9 b |" u! |2 V$ a
.measure CperMic param = 'CperMicron'6 G# ]2 j" E9 P" g' V0 X: R
.tran .1ns 12ns SWEEP OPTIMIZE = optrange RESULTS=errorR,errorF MODEL=optmod/ [$ ^0 d5 X1 N6 ~
.measure invR/ _; O/ v6 _+ {' P; w- {' L% y9 I1 M
+ TRIG v(c) VAL='SUPPLY/2' FALL=1
( j# ^' O6 Y4 i' p. l! V& R+ x( ~+ TARG v(d) VAL='SUPPLY/2' RISE=1$ _% E0 a/ [% A% }/ }7 G3 N
.measure capR0 a, @+ X8 z! l- i; @% H/ u& t8 j
+ TRIG v(c) VAL='SUPPLY/2' FALL=1 m4 S* j# a) ~) S2 r+ V
+ TARG v(g) VAL='SUPPLY/2' RISE=1) i* o9 M% ^8 P. Q3 O% v5 F( c/ ~
.measure invF
; _0 }4 q8 [- V" F9 W9 l+ TRIG v(c) VAL='SUPPLY/2' RISE=1
$ E" @% V/ w+ x8 Q7 b+ TARG v(d) VAL='SUPPLY/2' FALL=11 I$ [" u' ]' B8 w1 L9 g, f$ l
.measure capF l8 J! [% K9 G! u* k
+ TRIG v(c) VAL='SUPPLY/2' RISE=1
! g; A# M4 R" z/ R) s' R, G+ TARG v(g) VAL='SUPPLY/2' FALL=1; G& G; t2 d: h2 X- i- ^6 N" R
.end; Q: h ]9 s+ I6 ^
& @" r T4 i' F' X; s) i這是我參考書上直接打下來的# R' H, M3 V' V
有些地方程式為什麼要寫成這樣有些不懂- I) V/ d/ e: x
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?
; z8 z; y# B- M: d6 A$ {還有.lib rf018.l TT 後面的 TT 是什麼意思?
5 I7 i. O- i# `# R5 E% |7 c為什麼要選用TT, TT 代表的意思為何? |
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