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NE021 Datasheet(PDF) 10 Page - List of Unclassifed Manufacturers

Part # NE021
Description  NECs NPN SILICON HIGH FREQUENCY TRANSISTOR
PDF  12 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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NE021 Datasheet(HTML) 10 Page - List of Unclassifed Manufacturers

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TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)
Coordinates in Ohms
Frequency in GHz
(VCE = 10 V, IC = 5 mA)
0.435
30.904
0.711
25.017
0.905
21.298
0.971
18.616
1.024
15.561
1.044
13.619
1.028
12.483
1.035
11.252
1.038
10.206
1.030
9.506
1.055
8.680
0.267
29.113
0.534
23.790
0.773
20.566
0.912
18.320
0.984
16.309
1.023
13.826
1.038
12.288
1.044
11.116
1.045
10.104
1.048
9.263
1.084
8.371
0.167
27.135
0.329
21.430
0.563
18.797
0.738
16.985
0.860
15.398
0.938
14.105
0.977
12.978
1.017
11.247
1.046
9.850
1.059
8.908
1.096
8.065
NE02139
VCE = 10 V, IC = 5 mA
FREQUENCY
S11
S21
S12
S22
K
MAG1
(MHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
(dB)
100
.78
-39
13.96
156
.027
63
.91
-21
200
.71
-74
11.81
131
.058
62
.77
-36
400
.57
-114
7.51
107
.081
42
.54
-50
600
.50
-143
5.68
93
.093
39
.42
-56
800
.49
-164
4.16
72
.104
37
.35
-59
1000
.49
-180
3.50
81
.117
37
.30
-63
1200
.51
168
2.83
55
.129
37
.27
-66
1400
.52
160
2.59
63
.144
36
.25
-73
1600
.53
150
2.19
49
.155
38
.22
-79
1800
.53
142
2.09
42
.173
36
.21
-88
2000
.56
135
1.79
36
.181
36
.19
-98
VCE = 10 V, IC = 10 mA
100
.63
-58
20.38
145
.025
58
.81
-31
200
.56
-98
15.27
119
.039
60
.61
-45
400
.47
-139
8.90
98
.062
44
.39
-57
600
.45
-164
6.48
87
.073
50
.30
-60
800
.45
180
4.66
76
.091
49
.25
-63
1000
.47
168
3.89
69
.109
50
.21
-68
1200
.48
157
3.13
61
.126
48
.18
-71
1400
.50
152
2.86
54
.143
44
.17
-80
1600
.51
143
2.41
48
.160
46
.14
-88
1800
.52
136
2.30
42
.181
42
.14
-99
2000
.54
130
1.97
36
.191
41
.12
-113
VCE = 10 V, IC = 20 mA
100
.53
-82
25.86
136
.021
35
.72
-41
200
.47
-121
17.23
110
.033
61
.48
-51
400
.43
-157
9.44
92
.051
50
.30
-58
600
.44
-177
6.74
83
.069
57
.23
-60
800
.45
170
4.82
74
.090
55
.20
-61
1000
.46
161
4.01
67
.107
54
.16
-66
1200
.48
152
3.23
39
.127
54
.14
-71
1400
.50
147
2.95
53
.149
50
.13
-80
1600
.51
139
2.48
47
.164
50
.10
-91
1800
.52
133
2.36
41
.187
45
.10
-104
2000
.55
127
2.02
36
.197
44
.09
-121
Note:
1. Gain Calculations:
MAG =
|S21|
|S12|
K - 1
).
2
(K ±
∆ = S11 S22 - S21 S12
When K
≤ 1, MAG is undefined and MSG values are used. MSG = |S
21
|
|S12|
, K = 1 + | ∆ | - |S
11
| - |S22|
2
2
2
2 |S12 S21|
,
MAG = Maximum Available Gain, MSG = Maximum Stable Gain
NE021 SERIES
j50
j25
j10
0
-j10
-j25
-j50
-j100
j100
0
10
25
50
100
S11
2 GHz
S22
2 GHz
S22
0.1 GHz
S11
0.1 GHz
120˚
90˚
60˚
150˚
180˚
-150˚
-120˚
-90˚
-60˚
-30˚
0˚
.16
.12
.08
16
20
4
S21.20
S12
2 GHz
S21
0.1 GHz
.04
S21
2 GHz
30˚
8
12
S12
0.1 GHz



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