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2SC4187 Datasheet, PDF (4/6 Pages) NEC – MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD
2SC4187
VCE = 3 V, IC = 1 mA
Frequency
MHz
S11
MAG ANG
100.00
200.00
300.00
400.00
500.00
600.00
700.00
800.00
900.00
1000.00
1100.00
1200.00
1300.00
1400.00
1500.00
1600.00
1700.00
1800.00
1900.00
2000.00
0.956
0.942
0.892
0.880
0.861
0.831
0.771
0.696
0.656
0.619
0.602
0.568
0.515
0.475
0.441
0.417
0.389
0.359
0.334
0.312
–6.2
–11.1
–15.7
–20.0
–23.8
–30.1
–34.2
–37.9
–39.1
–40.5
–44.2
–47.1
–50.4
–51.8
–52.6
–54.4
–56.5
–58.5
–59.9
–61.6
VCE = 3 V, IC = 3 mA
Frequency
MHz
S11
MAG ANG
100.00
200.00
300.00
400.00
500.00
600.00
700.00
800.00
900.00
1000.00
1100.00
1200.00
1300.00
1400.00
1500.00
1600.00
1700.00
1800.00
1900.00
2000.00
0.881
0.811
0.706
0.642
0.585
0.530
0.470
0.410
0.372
0.347
0.330
0.309
0.278
0.253
0.234
0.222
0.207
0.186
0.170
0.156
–12.2
–21.2
–28.1
–32.5
–35.3
–39.9
–42.3
–43.3
–41.8
–40.6
–41.5
–42.3
–43.3
–42.0
–40.0
–39.6
–40.0
–40.2
–39.3
–37.9
S21
MAG ANG
3.189
3.027
2.961
2.799
2.696
2.686
2.583
2.516
2.352
2.226
2.128
2.073
2.000
1.920
1.853
1.800
1.758
1.741
1.713
1.692
170.4
163.5
153.2
149.0
140.2
136.4
127.3
121.2
114.7
109.0
105.1
100.3
97.0
91.9
88.0
85.0
81.6
79.3
74.5
69.8
S12
MAG ANG
0.021
0.038
0.057
0.073
0.086
0.101
0.114
0.130
0.138
0.150
0.160
0.169
0.186
0.188
0.198
0.201
0.211
0.228
0.237
0.251
89.3
79.4
75.3
75.0
71.4
70.9
67.5
65.7
64.8
61.8
62.2
60.2
58.6
57.5
55.2
57.1
55.8
56.7
55.1
52.4
S22
MAG ANG
0.997
0.983
0.950
0.939
0.887
0.885
0.857
0.852
0.834
0.803
0.777
0.737
0.708
0.681
0.672
0.654
0.645
0.628
0.610
0.591
–4.1
–7.0
–11.6
–13.5
–15.5
–17.7
–18.8
–21.9
–23.5
–27.2
–29.1
–31.0
–31.9
–32.7
–33.3
–34.3
–36.3
–38.0
–39.6
–41.2
S21
MAG ANG
6.511
5.892
5.207
4.598
4.021
3.721
3.348
3.227
2.890
2.660
2.474
2.335
2.210
2.064
1.952
1.873
1.799
1.773
1.739
1.713
161.7
147.7
133.4
125.8
116.6
112.3
103.8
99.4
93.5
89.0
85.9
81.8
78.8
75.2
71.7
70.2
67.8
66.1
62.4
57.9
S12
MAG ANG
0.019
0.034
0.050
0.061
0.071
0.083
0.093
0.106
0.113
0.125
0.135
0.144
0.160
0.165
0.177
0.183
0.195
0.211
0.223
0.239
87.2
76.6
71.3
70.9
69.0
70.2
68.6
68.7
69.2
67.2
68.2
67.2
66.4
66.0
63.9
66.0
64.8
65.9
63.8
61.2
S22
MAG ANG
0.982
0.938
0.876
0.840
0.781
0.772
0.752
0.749
0.741
0.722
0.705
0.675
0.659
0.640
0.642
0.632
0.632
0.622
0.608
0.598
–6.2
–10.3
–14.9
–15.8
–16.4
–17.1
–16.9
–18.6
–19.5
–22.3
–23.5
–24.9
–25.3
–25.6
–26.0
–26.9
–29.1
–30.6
–32.5
–34.2
4