NE856 SERIES
TYPICAL COMMON EMITTER SCATTERING PARAMETERS
0.8
0.6
0.4
3
4
0.2
S
11
5
10
20
50
10 20 -50
-20
S
22
-0.2
-10
-5
-4
-3
-0.4
-2
-0.6
-0.8
-1
-1.5
1
1.5
2
(T
A
= 25°C)
90˚
135˚
S
12
45˚
S
21
180˚
0.1 0.2 0.3 0.4
2.5
5.0
7.5
0˚
0.2
0.4
0.6
0.8 1
1.5
2
3
4 5
Coordinates in Ohms
Frequency in GHz
V
CE
= 2.5 V, I
C
= 3 mA
225˚
10.0
270˚
315˚
NE85633
V
CE
= 2.5 V, I
C
= 1 mA
FREQUENCY
(MHz)
50
100
200
400
600
800
1000
1500
2000
2500
3000
S
11
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
S
21
ANG
173.0
161.3
144.6
117.5
98.3
84.3
72.4
51.6
37.3
28.0
21.7
MAG
0.028
0.052
0.089
0.139
0.155
0.155
0.146
0.131
0.186
0.308
0.448
S
12
ANG
83.1
75.2
61.8
42.0
30.4
24.9
23.8
40.4
63.7
65.6
55.4
S
22
MAG
0.988
0.976
0.923
0.804
0.720
0.672
0.642
0.608
0.582
0.547
0.498
ANG
-4.5
-9.6
-18.5
-30.4
-38.0
-44.0
-49.6
-65.0
-83.0
-104.1
-128.3
K
0.01
0.08
0.13
0.27
0.43
0.58
0.75
1.13
1.05
0.92
0.93
MAG
1
(dB)
21.2
18.2
15.5
12.6
11.1
10.2
9.8
6.8
5.2
3.8
2.0
V
CE
= 2.5 V, I
C
= 3 mA
50
100
200
400
600
800
1000
1500
2000
2500
3000
100
200
400
600
800
1000
1200
1400
1600
1800
2000
2500
Note:
1. Gain Calculations:
MAG =
|S
21
|
|S
12
|
0.891
0.876
0.749
0.603
0.533
0.501
0.488
0.478
0.483
0.489
0.499
0.602
0.471
0.389
0.370
0.367
0.369
0.374
0.379
0.391
0.396
0.409
0.425
-17.8
-38.9
-69.4
-111.5
-136.4
-153.3
-165.9
169.8
151.2
132.7
116.9
-60.1
-98.0
-138.4
-159.5
-172.8
177.5
169.5
163.6
157.6
153.1
149.4
141.1
10.110
8.943
7.442
4.927
3.558
2.802
2.303
1.660
1.337
1.155
1.042
19.040
13.178
7.545
5.208
3.977
3.229
2.740
2.386
2.131
1.932
1.778
1.512
168.5
152.8
131.8
105.9
90.7
79.8
70.6
52.6
37.9
25.6
15.4
138.2
116.7
96.1
85.2
77.2
70.0
63.8
58.2
52.6
47.8
42.9
31.6
0.028
0.048
0.075
0.101
0.115
0.126
0.138
0.182
0.249
0.337
0.433
0.021
0.047
0.072
0.093
0.117
0.140
0.167
0.191
0.215
0.243
0.271
0.337
80.7
71.4
53.6
43.1
41.3
43.1
46.3
53.4
56.1
53.6
46.2
88.8
56.7
56.1
60.0
61.9
63.4
61.5
61.2
60.1
58.6
56.0
51.3
0.982
0.916
0.778
0.577
0.476
0.429
0.403
0.370
0.348
0.324
0.298
0.805
0.564
0.369
0.299
0.266
0.246
0.231
0.222
0.210
0.203
0.189
0.165
-9.3
-18.7
-31.2
-42.8
-47.2
-50.5
-54.1
-65.0
-78.8
-96.6
-118.9
-31.7
-45.5
-50.6
-51.8
-53.8
-56.3
-58.6
-61.2
-64.9
-68.7
-73.2
-83.7
0.06
0.09
0.27
0.48
0.70
0.86
0.98
1.08
1.02
0.95
0.92
0.12
0.54
0.81
0.94
1.00
1.03
1.03
1.04
1.04
1.02
1.00
0.97
25.6
22.7
20.0
16.9
14.9
13.5
12.2
7.9
6.4
5.3
3.8
29.6
24.5
20.2
17.5
15.3
12.6
11.1
9.7
8.7
8.1
8.2
6.5
V
CE
= 3.5 V, I
C
= 10 mA
(
K
±
K
2
- 1
).
When K
≤
1, MAG is undefined and MSG values are used. MSG =
2
2
2
|S
21
|
, K = 1 + |
Δ
| - |S
11
| - |S
22
|
,
Δ
= S
11
S
22
- S
21
S
12
|S
12
|
2 |S
12
S
21
|
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
CEL [ CALIFORNIA EASTERN LABS ]
