2SC4225 Datasheet, PDF (6/8 Pages) NEC – MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD

2SC4225
VCE = 10 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
0.875
0.754
0.618
0.537
0.480
0.446
0.415
0.395
0.386
0.389
0.395
0.393
0.390
0.387
0.405
0.422
0.436
0.449
0.455
0.466
–33.4
–59.7
–81.5
–97.9
–112.0
–126.0
–138.4
–148.8
–157.5
–165.9
–174.5
176.5
170.4
165.9
161.7
157.4
151.6
146.9
143.2
140.0
VCE = 10 V, IC = 10 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
0.636
0.461
0.360
0.314
0.294
0.286
0.278
0.277
0.280
0.293
0.309
0.314
0.317
0.319
0.337
0.353
0.369
0385
0.394
0.408
–58.6
–92.8
–115.8
–132.4
–145.2
–157.4
–167.8
–175.4
178.6
173.1
166.9
159.8
155.2
152.1
149.4
146.6
142.5
139.2
136.3
133.8
S21
MAG ANG
9.048
7.600
6.193
5.145
4.332
3.866
3.396
3.208
2.834
2.612
2.395
2.247
2.141
1.953
1.837
1.731
1.633
1.622
1.567
1.547
153.5
134.2
118.5
109.1
100.3
95.6
87.4
83.4
77.4
73.0
69.7
64.9
61.1
57.4
52.7
51.9
49.2
47.0
43.7
38.4
S21
MAG ANG
19.263
12.924
9.312
7.156
5.814
5.056
4.365
3.962
3.421
3.271
2.988
2.788
2.649
2.406
2.256
2.121
2.000
1.978
1.912
1.880
135.2
113.7
101.0
94.5
88.7
86.1
80.1
77.0
72.6
69.6
67.2
63.4
60.0
57.1
52.9
52.6
50.5
48.6
45.6
40.6
S12
MAG ANG
0.043
0.070
0.090
0.100
0.107
0.117
0.123
0.133
0.138
0.146
0.155
0.166
0.179
0.183
0.194
0.201
0.212
0.230
0.246
0.262
73.6
60.9
51.8
49.8
47.1
47.9
47.4
47.8
50.4
50.2
53.0
52.9
53.3
53.2
52.7
55.9
55.4
57.3
56.4
54.4
S12
MAG ANG
0.034
0.050
0.064
0.076
0.087
0.101
0.114
0.130
0.142
0.157
0.170
0.184
0.202
0.209
0.224
0.233
0.246
0.265
0.283
0.300
68.1
61.0
58.7
61.3
62.1
64.8
64.1
64.0
65.2
63.4
64.6
62.7
62.0
60.5
58.5
60.1
58.8
59.3
57.1
54.5
S22
MAG ANG
0.939
0.812
0.683
0.592
0.513
0.475
0.440
0.422
0.404
0.383
0.367
0.345
0.328
0.312
0.302
0.294
0.283
0.269
0.258
0.247
–16.6
–27.2
–35.4
–37.9
–39.2
–39.6
–39.5
–40.8
–41.7
–44.2
–46.3
–48.3
–49.9
–51.6
–53.7
–56.6
–60.1
–64.8
–68.7
–73.2
S22
MAG ANG
0.778
0.547
0.416
0.346
0.299
0.275
0.256
0.243
0.231
0.216
0.204
0.188
0.174
0.159
0.150
0.140
0.130
0.115
0.104
0.096
–31.8
–41.7
–45.1
–43.7
–42.2
–40.6
–39.5
–39.8
–40.8
–42.5
–44.5
–46.7
–48.4
–50.4
–52.9
–56.5
–61.1
–68.5
–75.1
–83.3
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