
TYPICAL SCATTERING PARAMETERS
(T
A
= 25
°
C)
NE688 SERIES
FREQUENCY
S
11
S
21
S
12
S
22
K
MAG
1
GHz
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
MAG
0.977
0.880
0.749
0.710
0.670
0.667
0.669
0.663
ANG
-15.600
-61.200
-103.800
-119.300
-148.700
-171.700
168.000
148.500
MAG
1.794
1.560
1.199
1.057
0.832
0.691
0.595
0.545
ANG
MAG
0.063
0.209
0.282
0.287
0.249
0.185
0.160
0.240
ANG
MAG
0.989
0.883
0.745
0.706
0.654
0.641
0.636
0.624
ANG
-8.600
-29.700
-47.000
-53.300
-67.800
-82.200
-97.500
-113.300
(dB)
165.200
127.600
92.400
79.900
57.200
43.200
35.800
34.900
78.200
50.900
26.900
19.000
7.800
11.100
39.600
62.300
0.101
0.247
0.457
0.549
0.777
1.079
1.352
1.179
14.545
8.730
6.286
5.662
5.239
4.012
2.162
0.998
V
CE
= 1.0 V, I
C
= 1.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.956
0.824
0.672
0.630
0.583
0.571
0.569
0.562
0.554
0.562
-16.900
-67.100
-110.800
-126.100
-154.600
-176.300
165.000
147.100
115.300
93.000
3.478 165.200
2.847 128.900
2.021
1.739
1.306
1.067
0.918
0.821
0.745
0.751 20.000
0.050
0.157
0.202
0.205
0.188
0.174
0.201
0.274
0.477
0.635
78.400
50.900
31.500
26.700
25.000
36.300
53.800
63.000
56.800
39.900
0.983
0.834
0.661
0.613
0.550
0.528
0.520
0.513
0.476
0.439
-9.700
-32.200
-48.100
-53.400
-64.600
-75.600
-87.500
-100.100
-128.100
-166.000
0.092
0.224
0.444
0.555
0.849
1.116
1.149
1.056
0.969
0.985
18.424
12.585
10.002
9.285
8.418
5.800
4.251
3.316
1.936
0.729
97.700
86.900
67.000
53.000
42.700
36.200
28.400
V
CE
= 3.0 V, I
C
= 3.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.869
0.635
0.484
0.449
0.415
0.402
0.401
0.396
0.411
0.470
-24.100
-85.100
-127.600
-141.200
-166.200
174.800
159.600
144.900
118.700
99.800
9.277 160.200
6.331 119.900
3.861
3.196
2.270 71.200
1.800
1.523 49.600
1.339 41.200
1.114 27.800
1.000
0.035
0.097
0.124
0.134
0.162
0.199
0.246
0.304
0.434
0.560
76.600
51.200
45.600
46.800
52.300
57.200
60.100
60.300
54.500
43.200
0.957
0.673
0.471
0.426
0.371
0.352
0.348
0.347
0.332
0.289
-14.600
-40.700
-51.200
-53.800
-59.200
-65.500
-72.700
-80.800
-100.400
-136.400
0.114
0.380
0.690
0.814
1.003
1.064
1.043
1.005
0.947
0.931
24.233
18.147
14.933
13.775
11.109
8.018
6.648
5.989
4.094
2.518
94.600
86.700
59.500
15.700
V
CE
= 3.0 V, I
C
= 7.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.721
0.434
0.350
0.336
0.318
0.315
0.313
0.310
0.322
0.397
-40.400
-111.800
-150.000
-161.700
178.800
163.400
150.200
137.900
116.200
102.200
17.900
8.737
4.773
3.890
2.710
2.124
1.779
1.559
1.305
1.160
149.800
106.900
87.500
81.400
69.200
59.100
50.200
42.400
29.000
16.500
0.032
0.075
0.112
0.132
0.184
0.240
0.297
0.355
0.470
0.570
70.700
55.700
60.000
61.700
63.300
62.700
60.700
57.600
49.300
38.800
0.873
0.453
0.293
0.263
0.230
0.221
0.222
0.226
0.220
0.194
-25.700
-55.300
-61.900
-63.300
-67.100
-71.900
-77.600
-84.600
-103.900
-144.300
0.206
0.650
0.915
0.973
1.035
1.035
1.021
1.004
0.973
0.954
27.477
20.663
16.296
14.694
10.542
8.321
6.882
6.059
4.435
3.086
NE68830
V
CE
= 0.5 V, I
C
= 0.5 mA
Coordinates in Ohms
Frequency in GHz
(V
CE
= 0.5 V, I
C
= 0.5 mA)
20
10
5
4
3
2
1.5
1
.8
.6
.4
.2
-.2
-.4
-.6
-.8
-1
-1.5
-2
-3
-4
-5
-10
-20
0
20
10
1.5
.8
.6
.4
.2
5
4
3
2
1
S
22
0.1 GHz
S
11
0.1 GHz
S
22
5 GHz
S
11
5 GHz
90
270
180
225
315
135
45
0
1
.25
.50
S
12
0.1 GHz
S
12
5 GHz
S
21
5 GHz
S
21
0.1 GHz
See notes on previous page.