2SC4228 Datasheet, PDF (7/7 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 = 1 mA, ZO = 50Ω
Freque.
S₁₁
MHz
MAG
ANG
100
1.023
–7.6
200
0.983
–16.1
300
0.975
–22.4
400
0.922
–31.8
500
0.899
–36.9
600
0.849
–44.7
700
0.812
–50.6
800
0.774
–57.1
900
0.727
–62.9
1000
0.680
–69.3
1100
0.651
–74.1
1200
0.616
–79.8
1300
0.575
–85.2
1400
0.546
–90.6
1500
0.512
–95.8
1600
0.481
–100.6
1700
0.463
–106.3
1800
0.440
–111.8
1900
0.419
–116.4
2000
0.394
–121.2
S₂₁
MAG
ANG
3.505
172.1
3.400
163.3
3.368
157.3
3.219
149.1
3.186
143.3
3.046
135.7
2.905
131.1
2.830
124.4
2.694
119.2
2.597
114.1
2.479
109.3
2.392
104.8
2.302
101.1
2.207
96.0
2.110
92.1
2.034
88.8
1.989
85.5
1.903
82.2
1.854
78.9
1.779
75.5
isc RF Product Specification
2SC4228
S₁₂
MAG
ANG
0.025
86.4
0.039
79.3
0.061
74.6
0.075
70.7
0.093
66.4
0.105
62.2
0.113
61.7
0.128
55.7
0.134
55.6
0.146
53.7
0.146
50.3
0.155
49.8
0.155
46.2
0.160
46.7
0.168
43.6
0.165
45.5
0.176
45.3
0.173
43.8
0.174
43.5
0.173
43.7
S₂₂
MAG
ANG
0.995
–4.6
0.986
–7.8
0.976
–12.8
0.936
–15.1
0.922
–18.8
0.885
–22.5
0.880
–24.4
0.846
–27.2
0.808
–28.8
0.790
–31.8
0.766
–32.8
0.741
–34.9
0.714
–35.9
0.708
–36.8
0.685
–38.4
0.676
–40.1
0.667
–41.8
0.649
–42.3
0.633
–44.2
0.630
–45.2
isc website：www.iscsemi.cn
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