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2SC4187 Datasheet, PDF (3/6 Pages) NEC – MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD
2SC4187
S-PARAMETER
VCE = 1 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
0.952
0.936
0.881
0.865
0.839
0.803
0.741
0.664
0.620
0.580
0.558
0.524
0.472
0.432
0.398
0.372
0.343
0.314
0.289
0.265
–6.7
–12.2
–17.5
–22.2
–26.2
–32.8
–37.2
–41.1
–42.5
–44.0
–47.7
–50.7
–54.0
–55.4
–56.6
–58.3
–60.6
–62.6
–64.0
–65.8
VCE = 1 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
0.832
0.702
0.564
0.488
0.433
0.385
0.340
0.296
0.269
0.254
0.243
0.229
0.204
0.187
0.175
0.168
0.157
0.140
0.129
0.119
–18.3
–29.6
–35.7
–37.9
–38.3
–40.3
–41.0
–40.2
–36.8
–34.2
–33.8
–33.8
–33.5
–30.4
–26.7
–25.1
–24.3
–22.7
–19.7
–15.5
S21
MAG ANG
3.197
3.025
2.940
2.764
2.653
2.624
2.515
2.442
2.274
2.150
2.051
1.991
1.916
1.833
1.763
1.713
1.665
1.651
1.628
1.611
169.7
162.0
151.3
146.4
137.4
133.2
123.8
117.7
110.9
105.1
101.1
96.1
92.6
87.5
83.5
80.6
77.2
74.9
70.1
65.2
S12
MAG ANG
0.023
0.042
0.062
0.080
0.094
0.111
0.125
0.142
0.150
0.162
0.172
0.183
0.200
0.201
0.212
0.215
0.225
0.242
0.252
0.267
88.6
80.9
74.2
73.1
69.4
68.6
65.1
63.2
62.5
59.4
59.8
57.9
56.1
54.8
52.4
54.4
53.0
54.0
52.4
49.7
S22
MAG ANG
0.995
0.979
0.943
0.927
0.870
0.865
0.833
0.825
0.805
0.772
0.745
0.705
0.676
0.648
0.637
0.619
0.609
0.589
0.571
0.552
–4.5
–7.9
–12.8
–15.0
–17.3
–19.6
–20.8
–23.9
–25.6
–29.4
–31.3
–33.3
–34.2
–35.2
–35.8
–37.0
–39.0
–40.9
–42.5
–44.2
S21
MAG ANG
5.286
4.385
3.568
3.016
2.571
2.284
2.057
1.884
1.689
1.554
1.449
1.378
1.306
1.225
1.157
1.116
1.072
1.066
1.055
1.051
153.1
134.4
118.9
111.0
102.9
99.0
91.7
87.3
82.2
78.0
75.2
71.3
68.1
64.7
61.2
60.1
57.9
56.5
53.0
48.7
S12
MAG ANG
0.024
0.039
0.054
0.064
0.074
0.086
0.097
0.110
0.119
0.132
0.143
0.154
0.170
0.176
0.189
0.196
0.209
0.227
0.240
0.257
80.8
72.1
65.6
68.0
66.5
69.0
67.5
67.6
68.3
66.6
67.9
66.6
66.1
65.2
63.2
65.0
63.5
64.4
62.6
59.5
S22
MAG ANG
0.941
0.881
0.820
0.793
0.751
0.753
0.743
0.748
0.746
0.733
0.719
0.693
0.678
0.660
0.664
0.654
0.653
0.643
0.629
0.616
–7.2
–10.7
–13.9
–13.9
–14.0
–14.7
–14.7
–16.8
–18.0
–21.3
–23.0
–25.0
–25.9
–26.8
–27.8
–29.3
–31.9
–34.0
–36.5
–38.6
3