2SC4225 Datasheet, PDF (5/8 Pages) NEC – MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD

2SC4225
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
0.852
0.730
0.601
0.526
0.479
0.452
0.427
0.414
0.408
0.417
0.426
0.426
0.422
0.420
0.439
0.455
0.471
0.485
0.490
0.501
–36.9
–65.3
–88.5
–105.8
–120.3
–134.2
–146.5
–156.2
–164.2
–172.1
180.0
171.3
165.7
161.6
157.6
153.8
148.2
143.8
140.4
137.2
VCE = 5 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
0.596
0.446
0.370
0.337
0.327
0.323
0.320
0.321
0.323
0.342
0.358
0.364
0.366
0.367
0.385
0.401
0.417
0.433
0.441
0.454
–66.5
–103.7
–127.5
–143.6
–155.8
–166.6
–176.1
177.6
172.7
167.9
162.4
155.7
151.4
148.6
145.9
143.5
139.5
136.3
133.6
131.0
S21
MAG ANG
9.015
7.451
5.983
4.912
4.118
3.658
3.204
3.018
2.666
2.456
2.252
2.115
2.018
1.834
1.730
1.625
1.532
1.523
1.471
1.450
151.8
131.5
115.8
106.4
97.6
93.0
84.8
80.8
75.0
70.5
67.1
62.4
58.4
54.7
49.9
49.2
46.4
44.2
41.1
35.8
S21
MAG ANG
19.076
12.382
8.801
6.728
5.466
4.732
4.073
3.720
3.202
3.057
2.792
2.607
2.479
2.247
2.110
1.978
1.862
1.841
1.779
1.748
132.3
110.9
98.8
92.4
86.7
84.0
78.2
75.0
70.8
67.7
65.2
61.4
57.8
55.0
50.7
50.5
48.3
46.3
43.5
38.5
S12
MAG ANG
0.051
0.081
0.103
0.113
0.120
0.131
0.138
0.149
0.153
0.162
0.172
0.184
0.198
0.202
0.213
0.220
0.231
0.249
0.265
0.283
73.0
58.9
49.3
47.5
44.9
45.6
44.8
45.0
47.5
47.4
49.7
49.4
49.6
49.4
48.6
51.3
51.0
52.8
51.6
50.0
S12
MAG ANG
0.039
0.056
0.070
0.083
0.096
0.112
0.126
0.145
0.157
0.172
0.187
0.204
0.222
0.230
0.244
0.254
0.267
0.287
0.305
0.324
66.0
58.8
57.5
60.3
60.7
63.3
62.3
62.3
63.1
61.5
62.1
60.1
59.2
57.5
55.3
56.7
55.1
55.7
53.3
50.7
S22
MAG ANG
0.928
0.781
0.638
0.539
0.456
0.413
0.374
0.352
0.330
0.309
0.292
0.270
0.254
0.239
0.230
0.222
0.211
0.199
0.191
0.184
–19.9
–32.7
–42.4
–45.9
–47.9
–48.9
–49.4
–50.9
–52.6
–55.4
–57.9
–60.5
–63.1
–66.0
–69.3
–73.7
–78.8
–85.9
–91.7
–97.9
S22
MAG ANG
0.741 –38.6
0.493 –52.0
0.355 –57.7
0.280 –58.6
0.229 –58.4
0.202 –58.1
0.178 –58.2
0.161 –59.6
0.147 –61.9
0.133 –65.2
0.118 –68.9
0.105 –73.6
0.095 –79.7
0.082 –87.2
0.077 –95.8
0.074 –107.1
0.072 –120.6
0.074 –137.5
0.079 –149.6
0.084 –158.3
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