2SA1977 Datasheet, PDF (8/12 Pages) NEC – PNP EPITAXIAL SILICON TRANSISTOR MICROWAVE AMPLIFIER

S-PARAMETER
(VCE = 1 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
0.553
− 43.7
0.460
− 78.2
0.427 − 104
0.393 − 123
0.377 − 138
0.367 − 149
0.362 − 159
0.363 − 168
0.364 − 175
0.365
178
0.369
172
0.375
166
0.376
162
0.384
157
0.391
153
0.399
149
0.405
146
0.411
142
0.418
139
0.423
135
0.429
132
0.438
130
0.444
127
0.450
124
0.457
122
S21
MAG
ANG
11.03
150.
8.780 129.
7.003 115.
5.700 105.
4.74
97.6
4.053
91.2
3.549
85.9
3.151
61.3
2.847
77.0
2.603
73.0
2.391
69.3
2.219
66.8
2.070
62.7
1.940
59.4
1.838
56.3
1.744
53.5
1.659
50.8
1.584
48.2
1.520
45.6
1.461
43.1
1.408
40.9
1.361
38.6
1.316
36.4
1.276
34.2
1.239
32.3
NE97733 / 2SA1977
S12
MAG
0.423
0.691
0.857
0.983
0.109
0.120
0.131
0.143
0.154
0.165
0.176
0.188
0.200
0.213
0.225
0.238
0.250
0.264
0.277
0.290
0.302
0.314
0.328
0.341
0.353
ANG
71.2
59.4
54.4
52.7
52.2
52.5
52.9
53.1
53.8
54.0
54.4
54.2
54.4
54.1
53.8
53.4
52.9
52.3
51.7
51.1
50.2
49.4
48.5
47.6
46.5
S22
MAG
ANG
0.666
− 25.0
0.696
− 42.2
0.556
− 52.9
0.461
− 59.5
0.392
− 64.2
0.341
− 67.4
0.307
− 70.5
0.280
− 73.7
0.258
− 76.1
0.241
− 78.8
0.227
− 82.0
0.217
− 84.8
0.207
− 88.4
0.200
− 92.0
0.192
− 94.9
0.188
− 99.1
0.184 − 102
0.184 − 107
0.182 − 111
0.181 − 115
0.180 − 119
0.182 − 125
0.181 − 128
0.187 − 132
0.188 − 137
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