NSVF4020SG4 Datasheet, PDF (7/10 Pages) ON Semiconductor – RF Transistor for Low Noise Amplifier

S Parameters (Common emitter)
VCE=3V, IC=50mA
Freq(MHz)
200
⏐S11⏐
0.516
∠S11
-135.8
400
0.593
-158.7
600
0.602
-166.8
800
0.606
-174.8
1000
0.608
179.2
1200
0.612
174.4
1400
0.614
170.2
1600
0.615
166.4
1800
0.618
162.9
2000
0.619
159.8
2200
0.618
156.5
2400
0.618
153.5
2600
0.617
150.5
2800
0.617
147.4
3000
0.614
144.2
3200
0.611
141.0
3400
0.611
137.6
3600
0.609
134.3
3800
0.608
130.8
4000
0.606
127.2
4200
0.607
123.6
4400
0.607
120.1
4600
0.607
116.5
4800
0.608
113.0
5000
0.608
109.6
VCE=3V, IC=100mA
Freq(MHz) ⏐S11⏐
200
0.577
400
0.645
600
0.649
800
0.656
1000
0.658
1200
0.663
1400
0.666
1600
0.668
1800
0.671
2000
0.672
2200
0.671
2400
0.672
2600
0.671
2800
0.671
3000
0.669
3200
0.665
3400
0.666
3600
0.664
3800
0.663
4000
0.662
4200
0.663
4400
0.663
4600
0.663
4800
0.664
5000
0.664
∠S11
-155.5
-169.1
-174.6
179.3
174.4
170.4
166.8
163.4
160.2
157.5
154.3
151.4
148.6
145.6
142.6
139.5
136.2
132.9
129.5
126.0
122.5
119.1
115.5
112.0
108.7
NSVF4020SG4
⏐S21⏐
31.907
17.954
12.350
9.160
7.261
6.025
5.149
4.503
4.004
3.619
3.299
3.035
2.816
2.630
2.469
2.328
2.204
2.095
1.995
1.906
1.824
1.749
1.681
1.616
1.560
∠S21
119.4
99.0
89.5
83.7
79.3
75.7
72.2
69.0
66.0
63.1
60.1
57.3
54.4
51.7
49.0
46.1
43.4
40.7
38.0
35.3
32.6
30.1
27.6
25.0
22.6
⏐S12⏐
0.020
0.029
0.039
0.049
0.059
0.069
0.079
0.089
0.100
0.110
0.120
0.130
0.141
0.150
0.160
0.170
0.180
0.189
0.199
0.209
0.218
0.226
0.235
0.243
0.251
⏐S21⏐
28.271
15.432
10.567
7.841
6.227
5.172
4.421
3.860
3.443
3.108
2.835
2.606
2.419
2.260
2.122
2.001
1.895
1.800
1.713
1.635
1.562
1.497
1.438
1.381
1.333
∠S21
114.9
96.4
87.2
81.8
77.4
73.6
70.1
66.9
63.7
60.7
57.5
54.5
51.5
48.7
45.9
42.9
40.1
37.3
34.5
31.7
29.0
26.4
23.9
21.3
18.9
⏐S12⏐
0.017
0.025
0.036
0.046
0.056
0.066
0.076
0.087
0.097
0.107
0.118
0.128
0.139
0.148
0.159
0.169
0.179
0.189
0.199
0.209
0.218
0.227
0.236
0.245
0.253
∠S12
59.2
60.4
63.6
65.9
67.0
67.5
67.4
67.2
66.4
65.8
64.9
63.9
62.7
61.6
60.3
58.9
57.5
56.1
54.7
53.1
51.5
49.9
48.3
46.8
45.2
∠S12
60.5
64.9
68.7
70.5
71.3
71.6
71.2
70.6
69.8
69.1
68.1
67.0
65.7
64.4
63.1
61.7
60.2
58.6
57.1
55.5
53.9
52.3
50.6
48.9
47.3
⏐S22⏐
0.602
0.444
0.404
0.359
0.341
0.327
0.321
0.316
0.314
0.316
0.319
0.322
0.326
0.334
0.342
0.351
0.360
0.372
0.383
0.395
0.407
0.419
0.430
0.440
0.450
⏐S22⏐
0.496
0.367
0.339
0.306
0.295
0.287
0.285
0.285
0.287
0.292
0.297
0.304
0.311
0.321
0.332
0.345
0.357
0.371
0.385
0.399
0.414
0.428
0.441
0.453
0.464
∠S22
-73.9
-104.5
-113.3
-123.7
-131.0
-136.6
-140.6
-144.0
-146.9
-149.3
-151.3
-152.9
-154.5
-155.5
-156.7
-157.4
-157.9
-158.3
-158.6
-158.7
-158.8
-158.9
-158.8
-158.9
-159.0
∠S22
-77.8
-105.8
-111.9
-121.4
-127.8
-132.7
-136.0
-138.9
-141.5
-143.6
-145.5
-147.0
-148.5
-149.6
-150.9
-151.7
-152.5
-153.0
-153.6
-154.0
-154.4
-154.8
-155.0
-155.3
-155.7
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