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Part Name
Description
2SA1977 View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
2SA1977
PNP EPITAXIAL SILICON TRANSISTOR MICROWAVE AMPLIFIER
NEC => Renesas Technology
2SA1977 Datasheet PDF : 12 Pages
First
Prev
11
12
S-PARAMETER
(V
CE
= 8 V, I
C
= 20 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
S
11
MAG
ANG
0.310
−
47.6
0.243
−
82.1
0.205
−
107
0.165
−
125
0.172
−
140
0.169
−
153
0.166
−
163
0.169
−
173
0.172
179
0.176
172
0.182
166
0.188
160
0.194
156
0.202
151
0.209
147
0.217
144
0.224
140
0.233
137
0.240
134
0.247
132
0.255
129
0.263
126
0.272
124
0.278
122
0.286
120
S
21
MAG
ANG
20.39
144.
14.87
123.
11.25
111.
8.95
102.
7.329
96.6
6.232
91.6
5.414
87.5
4.778
83.5
4.3
80.2
3.902
77.1
3.576
74.1
3.310
71.2
3.080
68.7
2.875
66.0
2.711
63.4
2.564
61.0
2.431
58.6
2.315
56.4
2.212
54.2
2.123
52.0
2.037
49.8
1.965
47.7
1.896
45.7
1.833
43.7
1.778
41.7
S
12
MAG
ANG
0.0218
77.0
0.0375
72.7
0.0514
71.4
0.0643
71.6
0.0777
71.5
0.0909
71.5
0.104
71.0
0.117
70.6
0.130
70.0
0.143
69.3
0.156
68.6
0.169
67.7
0.182
66.7
0.195
66.0
0.208
64.9
0.221
63.9
0.234
62.8
0.247
61.7
0.259
60.8
0.272
59.8
0.284
58.3
0.296
57.2
0.309
56.1
0.321
54.8
0.332
53.7
2SA1977
S
22
MAG
ANG
0.798
−
25.2
0.611
−
37.8
0.488
−
43.1
0.417
−
45.1
0.365
−
45.7
0.331
−
45.8
0.308
−
46.5
0.289
−
47.3
0.274
−
47.9
0.262
−
49.1
0.251
−
50.4
0.244
−
51.5
0.235
−
53.7
0.227
−
55.6
0.221
−
57.0
0.213
−
59.5
0.209
−
61.7
0.204
−
64.7
0.197
−
67.9
0.193
−
70.0
0.188
−
73.3
0.183
−
77.5
0.179
−
80.1
0.177
−
84.0
0.171
−
87.7
11
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