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*capdelay
5 P) Y) B% W t+ `.option scale=90n
- G4 e/ t% G# ]! c5 X& t- ^.param SUPPLY=1.8
- g9 R, g4 z# o.lib rf018.l TT# a8 U$ _* W# \, \( x, U( I
.option post
: V6 Y, j' C3 ?.global vdd gnd6 L3 d1 P$ [# G8 `) d; D
.subckt inv a y$ G% J T4 p* M
M1 y a gnd gnd nch W=16 L=2 AD=0 AS=0 PD=0 PS=0
& x% u7 h8 C# _) NM2 y a vdd vdd pch W=32 L=2 AD=0 AS=0 PD=0 PS=0 M* U& }5 c6 Z9 \
.ends) _+ Q& U! v' q# B4 r4 T! s
Vdd vdd gnd 'SUPPLY'
- F! a L7 @7 w( z8 oVin a gnd pulse(0 'SUPPLY' 1ns 0.5ns 0.5ns 4ns 10ns), [# c( c) F5 s6 y# S8 t
X1 a b inv- v4 E/ E8 h2 s( q, @
X2 b c inv M=4/ P2 E3 D/ n+ j ^( j& E8 b
X3 c d inv M=88 s3 e1 i- e; L
X4 d e inv M=32
& j; Z' f( ?- I' A# G# l" ]7 hX5 e f inv M=128
9 l4 Q: x1 C+ d; N$ d3 WX6 c g inv M=8
( ~/ J6 A# k* J4 xcdelay g gnd 'CperMicron*32*(16+32)*90n/1u'
1 {! Y8 Z5 l8 H& G.measure errorR param='invR - capR' goal=0
, l7 j0 O g: |: W; I; z G2 e% [# k.measure errorF param='invF - capF' goal=0$ ?7 _9 u9 E) T/ |. Q) R& P
.param CperMicron=optrange(2f. 1f, 3.0f)
, o8 r. W+ |; r# a, P.model optmod opt itropt=30+ V0 r, m. x: }% r" p
.measure CperMic param = 'CperMicron'
) V! ?' }5 A/ Q) T.tran .1ns 12ns SWEEP OPTIMIZE = optrange RESULTS=errorR,errorF MODEL=optmod
8 ]8 A: q8 ~8 V. ]7 f- ~% _.measure invR: A: X* i S0 E* t' U
+ TRIG v(c) VAL='SUPPLY/2' FALL=1# u$ l5 _1 N; |! K9 S6 |7 Q
+ TARG v(d) VAL='SUPPLY/2' RISE=1. }% d" w4 f6 Z) @
.measure capR; X z% ?9 c! D, F9 E4 C
+ TRIG v(c) VAL='SUPPLY/2' FALL=1& J9 ~- j! c4 V$ G# d6 \
+ TARG v(g) VAL='SUPPLY/2' RISE=12 Y0 F0 S z4 O
.measure invF) Y3 k! K U9 ?! \! a% [: a) u
+ TRIG v(c) VAL='SUPPLY/2' RISE=19 g* x6 {$ G6 ~* e8 B
+ TARG v(d) VAL='SUPPLY/2' FALL=1# K- s _; H0 U; Y6 u7 v5 c$ q
.measure capF* P/ P0 A1 G1 ~; t
+ TRIG v(c) VAL='SUPPLY/2' RISE=1+ d/ P" e ]2 O( i: X" ^4 O$ U7 O
+ TARG v(g) VAL='SUPPLY/2' FALL=18 Z4 C8 v/ c& {9 B
.end' D( }( h8 [: [" O
) }" ]) B6 O5 E d* m: r這是我參考書上直接打下來的
/ h5 d" E& n4 r有些地方程式為什麼要寫成這樣有些不懂1 p! s- s- @5 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?
. A+ D# _* t- k還有.lib rf018.l TT 後面的 TT 是什麼意思?
/ v M4 a4 E4 E& B/ ]為什麼要選用TT, TT 代表的意思為何? |
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