2SC4197 Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – Silicon NPN Epitaxial

2SC4197
S Parameters (Emitter Common)
Test Condition V_CE = 5 V, I_C = 5 mA, Z_O = 50 Ω
Freq.
(MHz)
100
200
300
400
500
600
700
800
900
1000
S11
MAG.
0.744
0.599
0.506
0.457
0.440
0.430
0.437
0.441
0.452
0.462
ANG.
–48.4
–85.5
–110.7
–128.9
–143.5
–155.1
–163.2
–170.9
–177.1
177.5
S21
MAG.
13.142
9.669
7.201
5.696
4.687
3.977
3.453
3.070
2.746
2.508
ANG.
145.9
123.5
109.5
100.6
93.9
88.1
83.5
79.1
75.4
71.9
S12
MAG.
0.034
0.053
0.064
0.072
0.079
0.087
0.095
0.104
0.113
0.122
ANG.
67.5
55.9
52.6
52.7
54.3
57.1
59.4
61.3
63.6
65.6
S22
MAG.
0.876
0.702
0.586
0.520
0.480
0.452
0.432
0.417
0.402
0.390
ANG.
–19.1
–28.2
–30.9
–31.2
–31.2
–31.5
–31.7
–32.4
–33.4
–34.5
Test Condition V_CE = 5 V, I_C = 10 mA, Z_O = 50 Ω
Freq.
(MHz)
100
200
300
400
500
600
700
800
900
1000
S11
MAG.
0.585
0.460
0.408
0.390
0.390
0.391
0.404
0.411
0.426
0.436
ANG.
–69.3
–110.1
–133.9
–149.7
–160.7
–169.8
–176.7
178.0
173.1
169.8
S21
MAG.
19.233
12.238
8.571
6.608
5.348
4.503
3.884
3.446
3.069
2.803
ANG.
134.4
112.6
101.3
94.5
88.7
84.4
80.3
76.8
73.4
70.7
S12
MAG.
0.028
0.041
0.052
0.062
0.073
0.084
0.095
0.107
0.119
0.131
ANG.
63.8
58.1
60.0
62.9
65.3
67.7
69.1
70.3
71.5
72.2
S22
MAG.
0.768
0.564
0.468
0.420
0.394
0.375
0.361
0.350
0.339
0.330
ANG.
–25.6
–31.4
–30.5
–29.1
–28.1
–27.8
–27.7
–28.2
–29.0
–29.7
6