NE856 SERIES
TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)
90˚
1
0.8
1.5
0.6
2
45˚
S
12
135˚
0.4
3
S
11
4
5
0.2
10
20
S
21
50
0.2
0.4
0.6 0.8
1
1.5
2
3
4
5
10 20
180˚
0˚
-50
.05 .10 .15 .20
2.50
-20
-10
S
22
-5
-4
-0.2
5.00
Coordinates in Ohms
Frequency in GHz
VCE = 2.5 V, IC = 3 mA
-3
7.50
-0.4
315˚
225˚
-2
10.00
-0.6
-1.5
-0.8
-1
270˚
NE85639
VCE = 2.5 V, IC = 1 mA
FREQUENCY
(MHz)
S11
S21
S12
S22
K
MAG1
(dB)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
100
500
.968
.785
.712
.716
.739
.775
.793
-27
-103
-156
172
150
134
122
3.616
2.420
1.493
1.059
0.829
0.659
0.553
164.2
110.9
76.0
53.7
37.9
26.6
20.6
.049
.146
.150
.122
.107
.146
.215
74.5
35.4
16.3
15.3
36.7
57.1
61.1
.985
.769
.625
.573
.549
.537
.546
-8.1
-29.3
-40.9
-54.4
-72.6
-94.8
-118.5
0.03
0.31
0.63
1.06
1.43
1.23
1.07
18.7
12.2
10.0
7.9
5.0
3.7
1000
1500
2000
2500
3000
2.5
VCE = 2.5 V, IC = 3 mA
100
500
.888
.628
.594
.615
.649
.686
.716
-39
-127
-173
162
145
132
121
9.537
4.650
2.549
1.767
1.361
1.112
0.930
156.1
101.3
74.3
56.3
41.8
29.9
20.7
.046
.104
.117
.133
.159
.199
.245
65.8
36.1
34.3
40.7
48.4
50.9
50.4
.935
.523
.368
.310
.283
.276
.304
-16.4
-42.8
-49.8
-60.9
-79.4
0.14
0.50
0.90
1.12
1.17
1.10
1.04
23.2
16.5
13.4
9.1
6.8
5.5
1000
1500
2000
2500
3000
-102.9
-127.4
4.6
VCE = 10 V, IC = 7 mA
100
.759
.478
.459
.490
.512
.563
.604
.651
.692
-43
-138
178
155
139
127
117
108
101
16.992
6.930
3.728
2.557
1.951
1.597
1.354
1.164
1.036
148
98
75
61
49
38
26
18
11
.004
.051
.081
.119
.160
.203
.246
.290
.334
54
51
57
61
63
62
57
52
49
.896
.496
.398
.353
.326
.293
.275
.279
.316
-18
-29
-31
-39
-47
-63
-84
0.73
0.83
1.07
1.07
1.06
0.99
0.94
0.90
0.84
36.3
21.3
15.0
11.7
9.4
9.0
7.4
6.0
4.9
500
1000
1500
2000
2500
3000
3500
4000
-109
-129
VCE = 10 V, IC = 20 mA
100
500
.57
.39
.40
.44
.46
.52
.56
.61
.65
-66
-161
166
150
134
124
115
108
100
28.21
8.30
4.29
3.10
2.24
1.83
1.55
1.34
1.20
134
91
72
62
50
40
27
20
13
.00
.04
.09
.12
.18
.22
.26
.30
.34
46
64
67
66
64
60
54
48
46
.75
.36
.30
.27
.23
.19
.17
.18
.23
-28
-28
-28
-36
-46
-64
-92
-123
-143
1.72
1.12
1.10
1.07
1.02
0.99
0.97
0.94
0.90
34.7
20.9
15.0
12.4
9.9
9.1
7.6
6.4
5.4
1000
1400
2000
2500
3000
3500
4000
Note:
1. Gain Calculations:
2
1 + | Δ |2 - |S11
|
2 - |S22
|
|S21
|S12
|
|
K 2 - 1 ). When K ≤ 1, MAG is undefined and MSG values are used.
Δ = S11 S22 - S21 S12
|S21
|
|
(K
MAG =
MSG =
, K =
,
|S12
2 |S12
S21|
MAG = Maximum Available Gain
MSG = Maximum Stable Gain