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通常在DDR的仿真中，我们将DQ和CA分开来仿真，频率也不一样，为了简化工作量，需要将DDR中的S参数中的DQ和CA通道
; q7 `- N* L( k* A. z: h8 |2 Z分开提取，有大佬告诉我Hspice或者ADS中可以将需要的通道接出来，不需要的通道可以直接接地，然后在运行一次S参数即可，. e5 v4 i1 m8 X _5 B: V; v" x
我听得云里雾里，不知详细怎么操作，有大佬们知道的么?
% y5 t- L7 l2 Z1 V( V. m8 a如下的S参数文件中，我要怎么提取PORT1-34通道的数据出来，而去掉其他通道的数据，形成新的S参数文件呢？
1 j$ R1 v% V- d* n& H& S! V6 W! Exported from HFSS 2017.1.0
, X# u# ~( T1 ]# GHZ S MA R 50.000000
9 g: T2 r! R. P4 ^9 j! Terminal data exported
5 B7 ]7 W' ]% }) h7 I- `" R; x! Port[1] = CA0_A_BGA1_H2_T1
& \( }, v5 E! r6 h7 s& Y5 [! Port[2] = CA0_A_DIE1_65_T1
1 B0 a2 J- M$ C- f4 c3 {2 ]! Port[3] = CA0_A_DIE3_65_T1
; w- y0 K( f+ x5 W+ c0 j! Port[4] = CA1_A_BGA1_J2_T1
1 ~8 u8 U$ W% t$ u8 M, T9 l! Port[5] = CA1_A_DIE1_64_T1
/ D- B8 i7 y7 K- D! Port[6] = CA1_A_DIE3_64_T1; C- _ U# Z/ Y0 r7 K0 C
! Port[7] = CA2_A_BGA1_H9_T1
6 w+ B# s, f0 P6 S$ r! Port[8] = CA2_A_DIE1_56_T1
: Y% O% F+ T% V0 y5 k4 f! Port[9] = CA2_A_DIE3_56_T1/ ? o$ r, i# [" a8 F9 i Q) N
! Port[10] = CA3_A_BGA1_H10_T15 [8 j- Y, M/ l9 s5 M' i, y! @
! Port[11] = CA3_A_DIE1_55_T1/ }/ b' Y7 `, Y: b+ m+ o
! Port[12] = CA3_A_DIE3_55_T1) {! c$ x( x9 P: ]$ q& j$ M, Z# Y
! Port[13] = CA4_A_BGA1_H11_T1
1 l1 [4 j- E: N& [1 i! Port[14] = CA4_A_DIE1_53_T10 M- n5 ^6 k4 e8 H1 G+ n6 ?4 d' }
! Port[15] = CA4_A_DIE3_53_T1
- Y( t( W1 |, r7 Y3 W! @! ?! Port[16] = CA5_A_BGA1_J11_T1
$ K. f$ G: _+ J! Port[17] = CA5_A_DIE1_52_T17 `6 p ~. [) Z% b- j Z% ^
! Port[18] = CA5_A_DIE3_52_T18 q( Q8 Z. F/ p, G; I$ a, L
! Port[19] = CK_C_A_BGA1_J9_T1. g1 v' y# z* H" V, q `. c3 y
! Port[20] = CK_C_A_DIE1_58_T12 A$ q7 X* J; Q" h2 [6 i
! Port[21] = CK_C_A_DIE3_58_T1
4 }. o9 m' E" b% Y/ m, f! Port[22] = CK_T_A_BGA1_J8_T1- m0 f: |) l7 y- I$ ?
! Port[23] = CK_T_A_DIE1_59_T1( m) _# Y/ |9 N2 A
! Port[24] = CK_T_A_DIE3_59_T1
5 U" Z7 ?6 m! @, s- A% K" s! Port[25] = CKE0_A_BGA1_J4_T1' F1 P1 t9 V7 t3 ^
! Port[26] = CKE0_A_DIE1_61_T1
6 g8 b5 z; b2 Q! Port[27] = CKE1_A_BGA1_J5_T11 N5 U3 `6 F* S
! Port[28] = CKE1_A_DIE3_61_T1
; U2 h+ }* N+ O9 S! Port[29] = CKE2_A_BGA1_K8_T1
# Q8 d- I6 T# z% b0 q9 |) V! s" v! Port[30] = CS0_A_BGA1_H4_T1- T! b) n3 e, r+ x! P. A! f& w: _, s
! Port[31] = CS0_A_DIE1_62_T1/ s+ O* k- [- J3 |- h. T8 o
! Port[32] = CS1_A_BGA1_H3_T1
& m2 I% U7 Q, X- n; b& f! Port[33] = CS1_A_DIE3_62_T13 ]% j6 |" n/ Q2 I6 ^" J
! Port[34] = CS2_A_BGA1_K5_T1
$ L/ Y- b/ O1 s7 |! Port[35] = DMI0_A_BGA1_C3_T1
y$ t* V' E2 S3 `" X. S! Port[36] = DMI0_A_DIE1_83_T1
) D+ `& ]% y( ]0 |0 x: |! Port[37] = DMI0_A_DIE3_83_T1- T1 d6 h7 O9 P7 m
! Port[38] = DMI1_A_BGA1_C10_T1* b. b" |) n# s( z+ ~
! Port[39] = DMI1_A_DIE1_33_T1) c4 {4 V9 o# q9 c& }2 x- O
! Port[40] = DMI1_A_DIE3_33_T1. _3 N$ o, X7 d
! Port[41] = DQ0_A_BGA1_B2_T1% m& p' J* u# }1 X6 e+ ?2 R7 ^
! Port[42] = DQ0_A_DIE1_99_T1" v4 W! B3 V) X+ P4 m
! Port[43] = DQ0_A_DIE3_99_T1
6 [ f9 `+ W# G4 `; r! Port[44] = DQ1_A_BGA1_C2_T1- J% P8 e% G% L0 Z# z' R; C
! Port[45] = DQ1_A_DIE1_96_T1
5 o; G# h7 V* _+ {5 [$ A! Port[46] = DQ1_A_DIE3_96_T1
( y8 l5 n* V4 U! Port[47] = DQ2_A_BGA1_E2_T16 _9 x; _4 v6 x; E7 @0 z7 `0 F g# J
! Port[48] = DQ2_A_DIE1_94_T1; O H* t; y: u0 B% D. ]
! Port[49] = DQ2_A_DIE3_94_T1
& \6 R* s# R, s3 G$ \9 {# ]! Port[50] = DQ3_A_BGA1_F2_T1, U1 Z0 q: C( o$ o
! Port[51] = DQ3_A_DIE1_91_T16 j0 v0 W3 M8 V' ~! p* A
! Port[52] = DQ3_A_DIE3_91_T1
! n' q; ?+ m6 P' s! Port[53] = DQ4_A_BGA1_F4_T15 |* m5 R$ B; [! w1 l2 ~+ P" m
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发表于 2021-10-9 15:06
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