|
*capdelay+ b$ R6 V+ q0 p
.option scale=90n
$ s' R1 ]* C0 U* G9 {.param SUPPLY=1.85 F1 V7 _/ U! w2 T9 H0 I( I3 L
.lib rf018.l TT
/ X& x0 M* z& ~) ~2 |! h.option post7 h# a$ y) O0 G7 {
.global vdd gnd$ t5 z% h( K2 { P5 i0 J9 s
.subckt inv a y
% _6 t6 u# n" @M1 y a gnd gnd nch W=16 L=2 AD=0 AS=0 PD=0 PS=0
/ ~2 a% l/ }$ w& h& S" A4 ?M2 y a vdd vdd pch W=32 L=2 AD=0 AS=0 PD=0 PS=09 F& k/ B. s8 w; s9 g
.ends7 ^3 Z; |# j5 x/ i8 ]) Q0 {
Vdd vdd gnd 'SUPPLY'
$ I8 _' j/ m8 A2 `Vin a gnd pulse(0 'SUPPLY' 1ns 0.5ns 0.5ns 4ns 10ns)
$ d' ~ W. p) y4 A; @6 TX1 a b inv5 T4 _, ?: c0 z. b% H3 ~0 v6 f
X2 b c inv M=4
. S7 c. C9 Y* |- s' P# S1 ]4 gX3 c d inv M=8* o; S" {+ S3 ]
X4 d e inv M=32
$ p* R. b* J! d% \* x) aX5 e f inv M=1286 X/ p. j3 T2 h4 v1 e( E: V$ i
X6 c g inv M=8
. E/ X% Z8 Z- X% X' C( Mcdelay g gnd 'CperMicron*32*(16+32)*90n/1u'
" r1 d! s1 \7 O.measure errorR param='invR - capR' goal=0% c& t: {1 u6 U d% b) b* K
.measure errorF param='invF - capF' goal=0
1 d+ Y$ f, h' A/ s8 j; Q.param CperMicron=optrange(2f. 1f, 3.0f)
, D8 l7 W* @& x* }0 u4 B9 T# Z.model optmod opt itropt=30
1 i, S: u+ {2 g }2 v x) ~# j.measure CperMic param = 'CperMicron'
6 n6 y, O$ z- u.tran .1ns 12ns SWEEP OPTIMIZE = optrange RESULTS=errorR,errorF MODEL=optmod/ l* b, A& a" W
.measure invR4 a4 i; P; l# V+ I
+ TRIG v(c) VAL='SUPPLY/2' FALL=1
- Q9 Y4 J/ Y8 s# i9 x2 \+ TARG v(d) VAL='SUPPLY/2' RISE=1' f G& J2 Z7 _. ^) `% S
.measure capR2 m+ J4 k' @) t7 q% n
+ TRIG v(c) VAL='SUPPLY/2' FALL=1+ J$ U3 h9 r2 H3 _% Q/ _& n
+ TARG v(g) VAL='SUPPLY/2' RISE=1, e6 M6 ~7 W$ q7 F, d
.measure invF
! n2 u; @2 i9 z5 H+ TRIG v(c) VAL='SUPPLY/2' RISE=1
6 D0 r% d* @, p7 P7 D4 p+ TARG v(d) VAL='SUPPLY/2' FALL=1; O6 E. Z3 U1 j. b; M! Z
.measure capF6 C& G; I$ j* r" K/ p( |' v
+ TRIG v(c) VAL='SUPPLY/2' RISE=1
& N J4 h: I4 \& t+ TARG v(g) VAL='SUPPLY/2' FALL=1/ k5 }- T2 [' Y2 `7 M2 X
.end
2 ?' e0 b) n; N
. W7 q' k, J V' `% N+ f7 s這是我參考書上直接打下來的
2 G: w3 P# k4 W! g有些地方程式為什麼要寫成這樣有些不懂
6 O2 q* E5 }/ _( s/ Y% I( |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?
& {. O" {; @6 a+ S; K* ~還有.lib rf018.l TT 後面的 TT 是什麼意思?
+ |( I' P* S/ P; O5 X為什麼要選用TT, TT 代表的意思為何? |
|