2SC4197 Datasheet, PDF (7/10 Pages) Hitachi Semiconductor – Silicon NPN Epitaxial

Y Parameters (Emitter Common)
2SC4197
Test Condition V_CE = 5 V, I_C = 5 mA
Freq.
(MHz)
100
200
300
400
500
600
700
800
900
1000
Yie (mS)
REAL
2.663
5.558
9.651
14.160
18.753
23.019
26.444
29.378
31.931
33.671
IMAG.
5.357
10.174
13.450
15.066
15.624
14.727
13.908
12.040
9.960
7.667
Yfe (mS)
REAL
161.804
147.899
125.634
102.261
80.041
57.826
40.437
24.049
10.602
–0.922
IMAG.
–34.193
–63.499
–87.205
–102.289
–110.827
–114.923
–113.783
–111.316
–106.726
–101.485
Yre (mS)
REAL
–0.002
–0.012
–0.041
–0.093
–0.150
–0.214
–0.263
–0.379
–0.466
–0.586
IMAG.
–0.425
–0.880
–1.354
–1.820
–2.309
–2.798
–3.305
–3.822
–4.371
–4.913
Yoe (mS)
REAL
IMAG.
0.055
0.627
0.025
1.270
0.026
2.024
0.044
2.772
0.048
3.510
0.124
4.301
0.211
4.964
0.268
5.828
0.407
6.578
0.524
7.381
Test Condition V_CE = 5 V, I_C = 10 mA
Freq.
(MHz)
100
200
300
400
500
600
700
800
900
1000
Yie (mS)
REAL
5.212
10.124
15.094
18.933
21.811
23.927
25.848
26.851
28.097
28.686
IMAG.
6.660
10.767
11.730
10.991
10.074
8.389
7.170
5.955
4.633
3.829
Yfe (mS)
REAL
273.909
208.225
141.558
93.174
58.181
32.829
15.188
2.733
–7.642
–13.979
IMAG.
–97.915
–154.453
–172.198
–169.490
–158.809
–146.284
–134.592
–123.322
–113.209
–104.651
Yre (mS)
REAL
–0.002
–0.015
–0.044
–0.089
–0.133
–0.195
–0.276
–0.353
–0.443
–0.523
IMAG.
–0.430
–0.876
–1.347
–1.817
–2.299
–2.785
–3.302
–3.808
–4.375
–4.908
Yoe (mS)
REAL
IMAG.
0.029
0.527
0.011
1.307
0.047
2.035
0.064
2.735
0.096
3.501
0.173
4.226
0.224
5.010
0.282
5.760
0.394
6.551
0.466
7.215
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