2SC4228 Datasheet, PDF (5/7 Pages) NEC – HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD

INCHANGE Semiconductor
isc Silicon NPN RF Transistor
S-PARAMETER
VCE = 3 V, IC = 5 mA, ZO = 50Ω
Freque.
S₁₁
MHz
MAG
ANG
100
0.875
–18.6
200
0.762
–35.0
300
0.677
–47.2
400
0.565
–59.4
500
0.495
–67.5
600
0.425
–76.1
700
0.372
–81.6
800
0.327
–88.5
900
0.289
–93.6
1000
0.255
–100.5
1100
0.236
–105.2
1200
0.214
–112.2
1300
0.195
–117.6
1400
0.182
–123.8
1500
0.165
–129.9
1600
0.153
–137.4
1700
0.145
–144.3
1800
0.139
–151.8
1900
0.134
–157.0
2000
0.129
–164.7
S₂₁
MAG
ANG
14.087
161.1
12.290
145.1
10.888
133.6
9.275
123.6
8.300
115.7
7.184
108.9
6.454
104.8
5.818
99.5
5.231
95.5
4.820
92.0
4.444
88.8
4.142
85.3
3.842
83.2
3.554
79.3
3.343
77.4
3.218
75.3
3.091
73.6
2.857
70.4
2.764
68.7
2.624
66.4
isc RF Product Specification
2SC4228
S₁₂
MAG
ANG
0.018
78.2
0.034
68.6
0.048
66.6
0.055
65.8
0.063
63.5
0.074
61.1
0.084
63.8
0.089
62.7
0.092
64.6
0.104
62.8
0.105
64.2
0.113
64.2
0.122
63.6
0.127
65.0
0.139
64.1
0.140
64.5
0.152
65.4
0.162
64.3
0.168
62.3
0.176
64.8
S₂₂
MAG
ANG
0.958
–10.1
0.888
–17.7
0.800
–24.4
0.719
–26.7
0.669
–28.7
0.610
–30.3
0.600
–30.6
0.560
–31.3
0.543
–30.1
0.519
–33.4
0.512
–31.8
0.497
–33.4
0.476
–33.2
0.481
–34.2
0.467
–34.6
0.466
–34.8
0.458
–37.2
0.456
–36.1
0.451
–38.4
0.445
–39.0
isc website：www.iscsemi.cn
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