English
Language : 

NSVF4009SG4 Datasheet, PDF (9/14 Pages) ON Semiconductor – RF Transistor for Low Noise Amplifier
S Parameters (Common emitter)
VCE=3V, IC=5mA
Freq(MHz) ⏐S11⏐
∠S11
500
0.832
-42.0
1000
0.693
-76.2
1500
0.581
-101.6
2000
0.519
-119.3
2500
0.465
-135.9
3000
0.436
-149.0
3500
0.422
-160.1
4000
0.414
-169.2
4500
0.406
-177.3
5000
0.395
175.4
5500
0.383
168.1
6000
0.359
157.5
6500
0.345
145.1
7000
0.347
130.0
7500
0.370
115.2
8000
0.400
103.2
8500
0.444
95.1
9000
0.480
89.2
9500
0.510
85.2
10000
0.531
79.9
10500
0.547
75.2
11000
0.559
65.3
11500
0.574
55.7
12000
0.608
45.4
12500
0.645
36.2
13000
0.677
29.8
13500
0.710
26.1
14000
0.729
24.4
14500
0.734
23.0
15000
0.735
21.6
NSVF4009SG4
⏐S21⏐
11.342
8.817
6.951
5.587
4.695
3.997
3.507
3.129
2.861
2.637
2.397
2.340
2.218
2.105
1.981
1.865
1.756
1.645
1.566
1.507
1.436
1.371
1.310
1.242
1.159
1.076
1.001
0.939
0.889
0.828
∠S21
143.7
119.7
102.7
90.5
80.9
71.6
63.8
56.6
49.6
42.7
36.3
28.9
21.4
13.5
5.8
-1.8
-9.0
-16.0
-22.3
-29.4
-36.6
-44.2
-52.0
-60.7
-68.6
-76.3
-82.9
-89.7
-95.8
-102.4
⏐S12⏐
0.035
0.057
0.068
0.076
0.081
0.085
0.090
0.096
0.101
0.107
0.114
0.122
0.130
0.137
0.141
0.145
0.151
0.153
0.157
0.162
0.161
0.164
0.167
0.165
0.160
0.156
0.154
0.151
0.152
0.156
∠S12
67.9
52.4
42.9
37.6
35.3
33.3
32.4
31.1
30.6
29.0
26.4
23.8
20.8
16.9
12.7
8.7
5.1
0.6
-3.0
-7.8
-13.2
-18.6
-24.2
-31.6
-37.3
-42.6
-47.7
-52.4
-57.7
-63.5
⏐S22⏐
0.835
0.646
0.507
0.420
0.364
0.327
0.300
0.284
0.266
0.255
0.257
0.227
0.215
0.201
0.188
0.168
0.147
0.120
0.093
0.075
0.090
0.122
0.162
0.206
0.232
0.252
0.258
0.266
0.284
0.310
∠S22
-29.1
-47.2
-58.3
-65.5
-71.4
-74.4
-77.0
-78.7
-80.3
-82.3
-86.0
-90.3
-97.8
-107.2
-117.5
-126.7
-137.3
-148.1
-163.7
165.4
132.6
114.0
106.3
99.1
93.2
85.4
76.6
64.8
52.0
45.1
www.onsemi.com
9