NE856 SERIES
TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)
90˚
1
0.8
1.5
0.6
2
45˚
0.4
135˚
3
S
12
4
S11
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
0.1 0.2 0.3 0.4
2.5
-20
-10
S22
-5
-4
-0.2
5.0
-3
7.5
-0.4
315˚
225˚
Coordinates in Ohms
Frequency in GHz
VCE = 2.5 V, IC = 3 mA
-2
10.0
-0.6
-1.5
-0.8
-1
270˚
NE85633
VCE = 2.5 V, IC = 1 mA
FREQUENCY
(MHz)
50
S11
S21
S12
S22
K
MAG1
(dB)
MAG
0.960
0.942
0.898
0.800
0.717
0.672
0.649
0.627
0.624
0.615
0.601
ANG
-12.7
-25.3
-49.1
-87.6
-115.1
-135.4
-150.7
178.2
154.3
131.9
112.1
MAG
3.696
3.417
3.168
2.521
1.995
1.632
1.391
1.032
0.842
0.747
0.709
ANG
MAG
0.028
0.052
0.089
0.139
0.155
0.155
0.146
0.131
0.186
0.308
0.448
ANG
MAG
0.988
0.976
0.923
0.804
0.720
0.672
0.642
0.608
0.582
ANG
-4.5
-9.6
-18.5
-30.4
-38.0
-44.0
-49.6
-65.0
-83.0
173.0
161.3
144.6
117.5
98.3
84.3
72.4
51.6
37.3
83.1
75.2
61.8
42.0
30.4
24.9
23.8
40.4
63.7
65.6
55.4
0.01
0.08
0.13
0.27
0.43
0.58
0.75
1.13
1.05
0.92
0.93
21.2
18.2
15.5
12.6
11.1
10.2
9.8
6.8
5.2
3.8
2.0
100
200
400
600
800
1000
1500
2000
2500
3000
28.0
21.7
0.547 -104.1
0.498 -128.3
VCE = 2.5 V, IC = 3 mA
50
100
200
400
600
0.891
0.876
0.749
0.603
0.533
0.501
0.488
0.478
0.483
0.489
0.499
-17.8
-38.9
-69.4
10.110
8.943
7.442
4.927
3.558
2.802
2.303
1.660
1.337
1.155
1.042
168.5
0.028
0.048
0.075
0.101
0.115
0.126
0.138
0.182
0.249
0.337
0.433
80.7
71.4
53.6
43.1
41.3
43.1
46.3
53.4
56.1
53.6
46.2
0.982
0.916
0.778
0.577
0.476
0.429
0.403
0.370
0.348
0.324
-9.3
-18.7
-31.2
-42.8
-47.2
-50.5
-54.1
-65.0
-78.8
-96.6
0.06
25.6
22.7
20.0
16.9
14.9
13.5
12.2
7.9
152.8
131.8
105.9
90.7
79.8
70.6
52.6
37.9
25.6
15.4
0.09
0.27
0.48
0.70
0.86
0.98
1.08
1.02
0.95
0.92
-111.5
-136.4
-153.3
-165.9
169.8
151.2
132.7
116.9
800
1000
1500
2000
2500
3000
6.4
5.3
3.8
0.298 -118.9
VCE = 3.5 V, IC = 10 mA
100
200
0.602
0.471
0.389
0.370
0.367
0.369
0.374
0.379
0.391
0.396
0.409
0.425
-60.1
-98.0
19.040
13.178
7.545
5.208
3.977
3.229
2.740
2.386
2.131
1.932
1.778
1.512
138.2
116.7
96.1
85.2
77.2
70.0
63.8
58.2
52.6
47.8
42.9
31.6
0.021
0.047
0.072
0.093
0.117
0.140
0.167
0.191
0.215
0.243
0.271
0.337
88.8
56.7
56.1
60.0
61.9
63.4
61.5
61.2
60.1
58.6
56.0
51.3
0.805
0.564
0.369
0.299
0.266
0.246
0.231
0.222
0.210
0.203
0.189
0.165
-31.7
-45.5
-50.6
-51.8
-53.8
-56.3
-58.6
-61.2
-64.9
-68.7
-73.2
-83.7
0.12
0.54
0.81
0.94
1.00
1.03
1.03
1.04
1.04
1.02
1.00
0.97
29.6
24.5
20.2
17.5
15.3
12.6
11.1
9.7
8.7
8.1
8.2
6.5
400
600
800
1000
1200
1400
1600
1800
2000
2500
-138.4
-159.5
-172.8
177.5
169.5
163.6
157.6
153.1
149.4
141.1
Note:
1. Gain Calculations:
2
1 + | Δ |2 - |S11
|
2 - |S22
|
|S21
|
K 2 - 1 ). When K ≤ 1, MAG is undefined and MSG values are used.
Δ = S11 S22 - S21 S12
|S21
|S12
|
|
(
K
MAG =
MSG =
, K =
,
|S12
|
2 |S12
S21|
MAG = Maximum Available Gain
MSG = Maximum Stable Gain