2SC4227 Datasheet, PDF (7/8 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 = 3 mA, ZO = 50Ω
Freque.
S₁₁
MHz
MAG
ANG
100
0.906
–22.7
200
0.810
–43.7
300
0.742
–60.6
400
0.638
–76.6
500
0.587
–89.8
600
0.524
–102.2
700
0.490
–111.4
800
0.460
–121.4
900
0.435
–129.9
1000
0.427
–138.2
1100
0.404
–144.9
1200
0.399
–151.7
1300
0.392
–157.9
1400
0.392
–163.6
1500
0.386
–169.1
1600
0.380
–174.5
1700
0.382
–179.7
1800
0.389
176.1
1900
0.383
172.5
2000
0.387
168.3
S₂₁
MAG
ANG
9.710
161.6
8.541
145.3
7.695
133.4
6.580
122.4
5.934
114.1
5.148
107.1
4.627
102.2
4.181
96.0
3.827
92.6
3.443
88.1
3.199
84.2
2.989
79.8
2.779
77.4
2.638
73.5
2.443
71.3
2.344
68.0
2.239
65.3
2.113
63.0
2.025
61.4
1.922
58.2
isc RF Product Specification
2SC4227
S₁₂
MAG
ANG
0.026
82.5
0.049
63.8
0.062
58.7
0.073
56.0
0.082
53.4
0.091
49.7
0.094
51.8
0.099
51.2
0.101
52.9
0.107
50.9
0.115
53.7
0.113
56.6
0.121
54.9
0.126
56.4
0.135
56.4
0.137
60.0
0.143
59.5
0.151
59.4
0.154
62.6
0.163
62.0
S₂₂
MAG
ANG
0.962
–10.6
0.895
–18.3
0.811
–25.8
0.732
–27.7
0.680
–31.2
0.624
–33.5
0.603
–34.4
0.568
–35.0
0.540
–35.7
0.523
–36.7
0.512
–36.8
0.500
–38.6
0.489
–39.2
0.483
–40.4
0.477
–41.8
0.477
–42.4
0.466
–44.4
0.461
–44.9
0.456
–46.9
0.464
–48.3
isc website：www.iscsemi.cn
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