6-137
INA12 K
INA12 B1
! Stability factor (K > 1)
! Stability Measure (B1 > 0)
FREQ
SWEEP 0.1 3.1 0.02
GRID
FREQ 0.8 1.0 0.05
! FREQ 0.1 3.1 0.1
GR1 0 20 5
GR2 0 -40 10
GR3 0 4 1
! Gain
! Return loss
! NF
OPT
FREQ 0.85 0.95
INA12 NF<1.6
INA12 DB[S22]<-20 1
5
Appendix B –
Touchstone
Output File.
FREQ
GHZ
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
NF
DB[S21]
INA12
-43.253
-13.998
-4.922
1.602
6.760
11.048
13.713
14.210
13.289
11.823
10.309
8.776
7.440
6.113
4.870
3.720
2.647
1.637
0.728
-0.174
-1.007
-1.850
-2.453
-3.275
-3.842
-4.446
-5.015
-5.656
-6.216
-6.619
-7.041
DB[S11]
INA12
-0.913
-1.070
-1.429
-1.843
-2.947
-4.674
-7.101
-8.450
-7.910
-6.677
-5.483
-4.459
-3.727
-3.076
-2.611
-2.221
-1.900
-1.646
-1.440
-1.265
-1.124
-1.011
-0.912
-0.815
-0.737
-0.672
-0.615
-0.566
-0.523
-0.475
-0.442
DB[S22]
INA12
0.000
-0.005
-0.027
-0.111
-0.418
-1.404
-4.424
-11.782
-35.279
-14.634
-11.002
-8.998
-7.952
-7.141
-6.578
-6.221
-5.875
-5.602
-5.414
-5.222
-5.024
-4.905
-4.871
-4.736
-4.665
-4.546
-4.528
-4.345
-4.338
-4.171
-4.077
DB[GMAX]
INA12
5.717
22.248
22.535
21.559
18.878
17.490
16.155
15.081
14.143
13.285
12.521
11.836
11.221
10.708
10.169
9.663
9.243
8.885
8.558
8.233
7.924
7.498
7.307
7.002
6.926
6.747
6.521
6.252
5.870
6.107
6.024
K
B1
INA12
11.178
9.706
8.725
7.627
6.366
4.929
3.388
2.048
1.588
2.490
4.284
6.292
8.193
9.918
11.469
12.868
14.146
15.317
16.402
17.415
18.367
19.264
20.112
20.927
21.700
22.446
23.162
23.861
24.530
25.179
25.811
INA12
109.193
1.404
1.094
1.071
1.295
1.414
1.569
1.656
1.813
1.926
2.018
2.122
2.230
2.259
2.287
2.369
2.416
2.370
2.317
2.288
2.279
2.344
2.285
2.299
2.116
2.039
1.978
1.975
2.103
1.889
1.760
INA12
0.000
0.002
0.010
0.036
0.108
0.287
0.634
0.957
1.104
1.161
1.198
1.223
1.237
1.248
1.249
1.256
1.254
1.252
1.252
1.247
1.236
1.231
1.237
1.229
1.228
1.217
1.220
1.195
1.198
1.177
1.164
Results of computer simulation of optimized 900 MHz LNA.
1
U.S. Patent Number 5436595