NSVF4020SG4 Datasheet, PDF (6/10 Pages) ON Semiconductor – RF Transistor for Low Noise Amplifier

S Parameters (Common emitter)
VCE=1V, IC=100mA
Freq(MHz) ⏐S11⏐
∠S11
200
0.797
-170.2
400
0.821
-178.6
600
0.814
176.9
800
0.816
172.4
1000
0.815
168.6
1200
0.819
165.2
1400
0.819
162.0
1600
0.821
158.9
1800
0.821
155.9
2000
0.821
153.3
2200
0.819
150.2
2400
0.818
147.4
2600
0.815
144.6
2800
0.814
141.6
3000
0.809
138.5
3200
0.805
135.5
3400
0.803
132.2
3600
0.799
128.9
3800
0.796
125.6
4000
0.794
122.1
4200
0.792
118.7
4400
0.790
115.3
4600
0.788
111.8
4800
0.787
108.3
5000
0.785
105.1
VCE=3V, IC=10mA
Freq(MHz) ⏐S11⏐
200
0.667
400
0.654
600
0.657
800
0.635
1000
0.624
1200
0.621
1400
0.620
1600
0.619
1800
0.620
2000
0.621
2200
0.620
2400
0.621
2600
0.620
2800
0.622
3000
0.620
3200
0.618
3400
0.619
3600
0.618
3800
0.618
4000
0.618
4200
0.620
4400
0.621
4600
0.623
4800
0.626
5000
0.629
∠S11
-73.4
-117.7
-137.3
-152.0
-162.0
-169.6
-175.7
178.9
174.4
170.6
166.6
163.0
159.4
156.1
152.7
149.2
145.6
142.1
138.5
134.7
130.9
127.2
123.4
119.8
116.2
NSVF4020SG4
⏐S21⏐
11.994
6.267
4.334
3.254
2.616
2.196
1.895
1.674
1.516
1.378
1.270
1.178
1.107
1.048
0.995
0.949
0.909
0.875
0.842
0.812
0.785
0.762
0.743
0.722
0.707
∠S21
103.3
90.3
82.5
78.0
73.9
70.2
66.7
63.1
59.9
56.8
53.8
50.7
47.7
44.9
42.2
39.4
36.7
34.2
31.6
29.1
26.7
24.5
22.3
20.0
17.9
⏐S12⏐
0.023
0.032
0.044
0.056
0.068
0.080
0.092
0.104
0.116
0.128
0.140
0.152
0.164
0.176
0.187
0.198
0.209
0.221
0.232
0.242
0.252
0.262
0.272
0.281
0.290
⏐S21⏐
19.421
13.670
10.173
7.684
6.158
5.138
4.400
3.867
3.431
3.103
2.828
2.602
2.419
2.253
2.112
1.990
1.881
1.784
1.696
1.618
1.549
1.480
1.419
1.359
1.309
∠S21
137.2
112.4
99.3
90.5
84.2
79.1
74.5
70.4
66.7
63.0
59.5
56.1
52.9
49.6
46.5
43.3
40.3
37.3
34.3
31.4
28.6
25.9
23.2
20.5
18.0
⏐S12⏐
0.036
0.051
0.060
0.066
0.071
0.076
0.082
0.088
0.095
0.101
0.108
0.116
0.124
0.131
0.139
0.148
0.156
0.164
0.173
0.182
0.191
0.199
0.208
0.216
0.224
∠S12
46.0
55.8
60.5
63.5
65.0
65.6
65.4
64.8
64.3
63.4
62.4
61.1
59.7
58.3
56.9
55.3
53.8
52.2
50.5
48.7
47.0
45.3
43.4
41.6
39.9
∠S12
59.5
46.8
43.7
43.4
44.2
45.7
47.0
48.7
49.8
50.9
51.7
52.3
52.6
52.8
52.8
52.6
52.3
51.9
51.2
50.5
49.6
48.7
47.7
46.7
45.6
⏐S22⏐
0.462
0.471
0.456
0.453
0.452
0.452
0.452
0.453
0.451
0.455
0.458
0.462
0.464
0.469
0.475
0.481
0.486
0.493
0.499
0.505
0.511
0.516
0.519
0.522
0.525
⏐S22⏐
0.807
0.610
0.541
0.452
0.407
0.376
0.360
0.347
0.343
0.341
0.343
0.347
0.353
0.361
0.372
0.384
0.396
0.412
0.426
0.441
0.456
0.471
0.485
0.498
0.511
∠S22
-142.7
-159.7
-162.5
-167.1
-169.7
-172.2
-173.8
-175.5
-177.0
-178.3
-179.4
179.5
178.3
177.7
176.9
176.5
176.1
175.9
175.7
175.6
175.6
175.7
175.8
175.8
175.8
∠S22
-46.2
-74.6
-86.7
-96.5
-104.3
-110.1
-114.7
-119.0
-122.2
-125.5
-128.1
-130.7
-133.3
-135.1
-137.1
-138.9
-140.4
-141.7
-143.0
-144.1
-145.3
-146.2
-147.0
-147.7
-148.5
www.onsemi.com
6