2SA1977 Datasheet, PDF (9/12 Pages) NEC – PNP EPITAXIAL SILICON TRANSISTOR MICROWAVE AMPLIFIER

S-PARAMETER
(VCE = 3 V, IC = 5 mA, Zo = 50 Ω)
f
MHz
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
S11
MAG
ANG
0.595
− 34.2
0.511
− 62.8
0.432
− 86.0
0.362 − 104
0.345 − 119
0.323 − 132
0.308 − 143
0.300 − 153
0.297 − 162
0.295 − 170
0.297 − 177
0.300
176
0.303
170
0.308
164
0.314
160
0.322
155
0.328
151
0.335
147
0.341
143
0.349
140
0.355
136
0.364
133
0.372
130
0.378
128
0.386
125
S21
MAG
ANG
11.62
154.
9.618
134.
7.920
120.
6.575
110.
5.511
102.
4.749
95.9
4.177
90.5
3.712
85.8
3.359
81.5
3.064
77.6
2.818
74.0
2.617
70.6
2.439
67.4
2.284
64.2
2.159
61.2
2.046
58.4
1.944
55.7
1.855
53.0
1.774
50.5
1.705
48.1
1.638
45.7
1.583
43.5
1.53
41.2
1.479
39.0
1.439
37.0
NE97733 / 2SA1977
S12
MAG
0.0328
0.0573
0.0734
0.0852
0.0964
0.106
0.116
0.126
0.137
0.147
0.158
0.169
0.181
0.192
0.203
0.215
0.227
0.240
0.252
0.264
0.276
0.289
0.302
0.314
0.326
ANG
74.9
64.8
58.5
57.1
55.9
56.4
56.6
57.1
57.3
57.9
57.9
58.3
58.1
58.1
57.8
57.5
57.3
56.5
56.1
55.5
54.7
54.2
53.2
52.5
51.7
S22
MAG
ANG
0.902
− 19.4
0.760
− 33.2
0.633
− 41.9
0.542
− 47.3
0.471
− 50.3
0.420
− 52.2
0.383
− 54.1
0.355
− 55.7
0.332
− 57.2
0.315
− 58.9
0.299
− 60.6
0.287
− 62.1
0.276
− 64.6
0.266
− 66.5
0.258
− 68.5
0.250
− 71.4
0.243
− 73.6
0.241
− 76.9
0.233
− 80.3
0.230
− 83.1
0.226
− 86.5
0.222
− 90.7
0.218
− 93.6
0.218
− 97.5
0.215 − 101.
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