2SA1977 Datasheet, PDF (10/12 Pages) NEC – PNP EPITAXIAL SILICON TRANSISTOR MICROWAVE AMPLIFIER

S-PARAMETER
(VCE = 8 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
0.679
− 27.6
0.586
− 51.4
0.491
− 71.0
0.417
− 87.3
0.362
− 100
0.323
− 113
0.293
− 124
0.274
− 135
0.261
− 145
0.251
− 154
0.247
− 162
0.245
− 170
0.245
− 177
0.247
175
0.251
169
0.258
164
0.263
159
0.269
154
0.276
150
0.283
146
0.290
142
0.298
138
0.307
135
0.314
132
0.321
129
S21
MAG
ANG
11.75
156.
10.01
138.
8.453 124.
7.152 114.
6.040 106.
5.245
99.6
4.627
94.2
4.124
89.4
3.734
85.0
3.419
81.2
3.150
77.6
2.919
74.2
2.720
71.0
2.551
67.8
2.410
64.8
2.283
62.1
2.169
59.3
2.067
56.7
1.977
54.4
1.898
51.8
1.824
49.5
1.762
47.2
1.701
44.9
1.645
42.8
1.597
40.6
NE97733 / 2SA1977
S12
MAG
0.0289
0.0508
0.0670
0.0780
0.0886
0.0984
0.107
0.117
0.126
0.135
0.145
0.155
0.166
0.176
0.187
0.198
0.209
0.221
0.232
0.243
0.256
0.267
0.279
0.291
0.304
ANG
76.9
66.6
61.8
58.9
58.3
57.9
58.0
58.4
58.6
59.4
59.6
59.6
59.8
59.9
59.7
59.5
59.4
58.9
58.6
58.1
57.5
57.0
56.1
55.4
54.7
S22
MAG
ANG
0.918 − 15.9
0.802 − 27.7
0.690 − 35.3
0.603 − 39.9
0.534 − 42.5
0.485 − 44.0
0.448 − 45.5
0.419 − 46.6
0.396 − 47.7
0.377 − 48.8
0.361 − 50.2
0.350 − 51.4
0.339 − 53.2
0.327 − 54.6
0.320 − 56.1
0.311 − 58.2
0.305 − 59.8
0.299 − 62.4
0.292 − 64.9
0.287 − 67.0
0.283 − 69.6
0.277 − 72.9
0.272 − 75.1
0.270 − 78.7
0.264 − 81.3
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