2SA1978
S-PARAMETER
(VCE = 3 V, IC = 5 mA, Zo = 50 Ω)
f
S11
S21
S12
S22
MHz
100
MAG
0.558
0.485
0.423
0.381
0.353
0.339
0.329
0.325
0.325
0.326
0.330
0.335
0.339
0.345
0.351
0.360
0.366
0.374
0.382
0.390
0.396
0.404
0.413
0.418
0.427
ANG
− 37.1
− 67.9
− 92.5
− 111
− 127
− 140
− 151
− 160
− 169
− 176
177
MAG
11.0
9.13
7.48
6.21
5.18
4.47
3.92
3.48
3.14
2.87
2.64
2.44
2.28
2.13
2.01
1.90
1.81
1.72
1.65
1.58
1.52
1.46
1.41
1.36
1.32
ANG
153.
133.
119.
109.
101.
95.1
89.9
84.9
80.7
76.9
73.0
69.6
66.5
63.3
60.2
57.4
54.6
52.0
49.5
47.0
44.6
42.4
40.2
38.0
35.9
MAG
ANG
74.3
83.0
58.1
56.5
56.1
56.7
57.5
57.9
58.7
59.5
60.5
61.2
61.3
61.9
61.9
61.8
61.8
61.7
61.3
61.0
60.4
60.2
59.4
58.9
58.2
MAG
ANG
− 16.3
− 27.0
− 33.0
− 36.0
− 37.4
− 38.1
− 33.8
− 39.8
− 40.4
− 41.6
− 42.8
− 44.0
− 45.9
− 47.5
− 49.0
− 51.0
− 53.0
− 55.5
− 58.1
− 60.4
− 63.0
− 65.9
− 68.3
− 72.1
− 74.8
0.0288
0.0467
0.0611
0.0703
0.0801
0.0880
0.0938
0.104
0.113
0.122
0.131
0.140
0.150
0.160
0.170
0.181
0.191
0.202
0.213
0.223
0.233
0.243
0.251
0.273
0.255
915
784
670
590
531
490
461
438
419
408
393
386
377
366
362
354
349
344
337
334
328
321
318
314
303
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
170
165
160
155
151
147
143
140
137
133
130
127
125
122
7
NEC [ NEC ]
