2SC4187 Datasheet, PDF (5/6 Pages) NEC – MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD

2SC4187
VCE = 5 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
0.957
0.944
0.895
0.885
0.867
0.838
0.779
0.704
0.667
0.631
0.613
0.581
0.528
0.487
0.454
0.431
0.403
0.373
0.348
0.326
–5.9
–10.7
–15.2
–19.5
–23.1
–29.4
–33.3
–36.9
–38.1
–39.4
–43.1
–45.9
–49.1
–50.5
–51.2
–52.9
–55.0
–56.9
–58.3
–59.7
VCE = 5 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
0.887
0.823
0.722
0.662
0.607
0.553
0.491
0.429
0.391
0.366
0.350
0.328
0.295
0.270
0.251
0.239
0.224
0.204
0.187
0.172
–11.4
–20.1
–26.9
–31.3
–34.2
–38.8
–41.2
–42.6
–41.2
–40.0
–41.0
–42.1
–43.1
–41.8
–40.0
–39.9
–40.4
–40.6
–39.9
–39.0
S21
MAG ANG
3.166
3.008
2.944
2.788
2.688
2.681
2.582
2.518
2.353
2.228
2.135
2.082
2.005
1.927
1.864
1.813
1.767
1.749
1.724
1.703
170.5
163.8
153.6
149.6
140.9
137.1
128.1
122.1
115.5
109.9
106.1
101.3
98.0
92.8
89.1
86.1
82.6
80.4
75.6
71.0
S12
MAG ANG
0.020
0.037
0.055
0.070
0.083
0.098
0.111
0.126
0.134
0.146
0.156
0.165
0.181
0.183
0.194
0.197
0.206
0.222
0.231
0.246
87.6
82.2
76.7
75.6
71.7
71.6
68.2
66.3
65.6
62.4
62.7
61.0
59.7
58.2
56.1
58.1
56.8
57.8
56.0
53.3
S22
MAG ANG
0.998
0.984
0.953
0.942
0.891
0.891
0.865
0.860
0.843
0.813
0.788
0.747
0.720
0.693
0.685
0.668
0.660
0.642
0.624
0.607
–3.8
–6.7
–11.1
–12.9
–14.8
–17.1
–18.0
–21.1
–22.6
–26.4
–28.2
–30.0
–30.9
–31.6
–32.2
–33.3
–35.3
–36.8
–38.6
–39.9
S21
MAG ANG
6.558
5.978
5.324
4.734
4.155
3.876
3.486
3.234
3.020
2.776
2.585
2.437
2.307
2.159
2.037
1.958
1.882
1.849
1.818
1.785
162.4
149.0
134.9
127.5
118.3
114.1
105.6
100.7
95.1
90.5
87.4
83.4
80.3
76.7
73.3
71.9
69.4
67.7
63.9
59.5
S12
MAG ANG
0.020
0.034
0.049
0.060
0.069
0.080
0.091
0.103
0.111
0.123
0.132
0.141
0.157
0.161
0.173
0.179
0.190
0.207
0.218
0.234
84.1
78.8
71.6
72.1
70.0
70.9
69.1
68.9
69.5
67.6
68.7
67.6
67.0
66.4
64.5
66.7
65.3
66.4
64.5
61.6
S22
MAG ANG
0.983
0.943
0.883
0.848
0.789
0.781
0.758
0.756
0.747
0.728
0.710
0.680
0.664
0.645
0.647
0.637
0.638
0.628
0.614
0.603
–5.9
–10.0
–14.4
–15.5
–16.2
–16.9
–16.7
–18.5
–19.2
–22.1
–23.3
–24.6
–24.9
–25.2
–25.5
–26.3
–28.4
–29.7
–31.7
–33.3
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