NSVF4020SG4 Datasheet, PDF (8/10 Pages) ON Semiconductor – RF Transistor for Low Noise Amplifier

S Parameters (Common emitter)
VCE=5V, IC=10mA
Freq(MHz) ⏐S11⏐
∠S11
200
0.674
-68.7
400
0.653
-112.8
600
0.651
-133.4
800
0.626
-148.8
1000
0.613
-159.3
1200
0.610
-167.2
1400
0.607
-173.5
1600
0.606
-179.1
1800
0.608
176.2
2000
0.609
172.2
2200
0.608
168.1
2400
0.608
164.5
2600
0.608
160.9
2800
0.610
157.5
3000
0.607
154.0
3200
0.606
150.5
3400
0.607
146.9
3600
0.607
143.3
3800
0.607
139.7
4000
0.608
135.9
4200
0.610
132.0
4400
0.612
128.3
4600
0.613
124.5
4800
0.617
120.7
5000
0.620
117.1
VCE=5V, IC=50mA
Freq(MHz) ⏐S11⏐
200
0.489
400
0.568
600
0.579
800
0.583
1000
0.584
1200
0.589
1400
0.591
1600
0.593
1800
0.595
2000
0.596
2200
0.596
2400
0.596
2600
0.595
2800
0.596
3000
0.593
3200
0.591
3400
0.591
3600
0.589
3800
0.589
4000
0.588
4200
0.588
4400
0.589
4600
0.590
4800
0.590
5000
0.592
∠S11
-128.9
-154.7
-163.6
-172.3
-178.7
176.2
171.8
167.9
164.3
161.2
157.8
154.7
151.7
148.5
145.4
142.2
138.8
135.4
131.9
128.3
124.7
121.1
117.5
113.9
110.6
NSVF4020SG4
⏐S21⏐
19.895
14.318
10.744
8.133
6.522
5.440
4.659
4.091
3.630
3.280
2.988
2.749
2.553
2.377
2.225
2.095
1.979
1.875
1.780
1.697
1.623
1.549
1.484
1.419
1.364
∠S21
138.9
114.0
100.5
91.4
84.8
79.6
74.9
70.7
66.9
63.2
59.7
56.2
52.9
49.6
46.5
43.2
40.2
37.1
34.1
31.1
28.3
25.5
22.8
20.0
17.5
⏐S12⏐
0.032
0.047
0.057
0.062
0.067
0.072
0.078
0.084
0.090
0.096
0.103
0.110
0.118
0.125
0.133
0.141
0.150
0.158
0.167
0.175
0.184
0.193
0.202
0.210
0.218
⏐S21⏐
33.664
19.269
13.271
9.829
7.784
6.443
5.505
4.817
4.280
3.857
3.517
3.234
3.000
2.799
2.625
2.472
2.340
2.221
2.114
2.017
1.929
1.847
1.773
1.702
1.642
∠S21
121.6
100.2
90.3
84.2
79.6
75.8
72.3
69.1
66.0
63.1
60.1
57.2
54.3
51.5
48.7
45.9
43.1
40.4
37.6
34.9
32.2
29.6
27.1
24.4
22.0
⏐S12⏐
0.019
0.028
0.038
0.047
0.056
0.066
0.076
0.085
0.095
0.105
0.115
0.124
0.134
0.144
0.154
0.163
0.173
0.182
0.191
0.201
0.209
0.218
0.227
0.235
0.243
∠S12
61.8
49.2
45.9
45.3
46.0
47.5
48.7
50.5
51.6
52.7
53.5
54.2
54.6
54.9
54.9
54.9
54.6
54.2
53.6
52.9
52.1
51.1
50.1
49.1
48.0
∠S12
61.0
61.3
64.6
66.7
67.8
68.5
68.4
68.1
67.6
67.0
66.1
65.1
63.9
62.8
61.6
60.2
59.0
57.7
56.2
54.6
53.1
51.7
50.1
48.6
47.0
⏐S22⏐
0.826
0.632
0.560
0.466
0.415
0.382
0.363
0.349
0.344
0.341
0.343
0.347
0.353
0.361
0.372
0.385
0.398
0.414
0.430
0.446
0.461
0.477
0.492
0.507
0.520
⏐S22⏐
0.625
0.449
0.404
0.350
0.325
0.308
0.300
0.295
0.292
0.294
0.296
0.300
0.306
0.313
0.323
0.334
0.344
0.358
0.371
0.385
0.399
0.412
0.426
0.438
0.450
∠S22
-41.4
-67.8
-79.3
-88.2
-95.5
-100.9
-105.3
-109.4
-112.7
-116.0
-118.8
-121.6
-124.4
-126.4
-128.8
-130.8
-132.6
-134.3
-136.0
-137.4
-138.8
-140.0
-141.1
-142.0
-143.0
∠S22
-65.5
-94.0
-102.5
-112.6
-119.9
-125.6
-129.7
-133.2
-136.3
-138.9
-141.1
-142.9
-144.7
-145.9
-147.3
-148.3
-149.0
-149.6
-150.2
-150.6
-150.9
-151.3
-151.5
-151.7
-152.0
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