NE856 SERIES
TYPICAL COMMON EMITTER SCATTERING PARAMETERS
(T
A
= 25°C)
0.8
0.6
0.4
3
4
0.2
5
10
20
50
10 20 -50
-20
-10
S
22
-0.2
S
11
-3
-0.4
-2
-0.6
-0.8
-1
-1.5
-5
-4
1
1.5
2
90˚
135˚
S
21
45˚
S
12
0.2
0.4
0.6
0.8 1
1.5
2
3
4 5
180˚
0.1 0.2 0.3 0.4
5.0
0˚
Coordinates in Ohms
Frequency in GHz
V
CE
= 10 V, I
C
= 10 mA
10.0
225˚
15.0
270˚
315˚
NE85634
V
CE
= 10 V, I
C
= 7 mA
FREQUENCY
(MHz)
100
200
400
500
600
800
1000
1500
2000
2500
3000
3500
4000
MAG
0.714
0.508
0.326
0.286
0.264
0.237
0.225
0.226
0.262
0.350
0.451
0.548
0.628
S
11
ANG
-42.6
-77.9
-119.5
-132.9
-144.5
-162.6
-177.8
148.3
122.2
102.4
87.6
75.7
65.2
MAG
14.567
11.129
6.585
5.409
4.579
3.553
2.899
2.083
1.669
1.454
1.258
1.095
0.940
S
21
ANG
144.0
121.0
98.1
91.8
86.5
78.1
70.3
55.0
42.4
29.6
17.6
6.0
-4.4
MAG
0.031
0.047
0.072
0.086
0.096
0.124
0.152
0.228
0.302
0.381
0.445
0.486
0.500
S
12
ANG
69.3
63.0
65.1
66.9
68.7
70.9
72.0
71.0
67.1
60.6
51.5
41.4
31.0
MAG
0.840
0.636
0.478
0.452
0.431
0.415
0.410
0.411
0.403
0.420
0.455
0.520
0.593
S
22
ANG
-22.1
-31.0
-33.0
-32.8
-33.3
-35.6
-38.5
-50.3
-66.5
-87.4
-113.6
-139.5
-160.3
0.30
0.56
0.85
0.91
0.98
1.01
1.02
0.99
0.96
0.89
0.86
0.85
0.85
K
MAG
1
(dB)
26.7
23.7
19.6
18.0
16.8
14.0
11.9
9.6
7.4
5.8
4.5
3.5
2.7
V
CE
= 10 V, I
C
= 10 mA
100
200
400
500
600
800
1000
1500
2000
2500
3000
3500
4000
0.616
0.405
0.259
0.231
0.214
0.196
0.188
0.194
0.232
0.320
0.421
0.523
0.607
-50.5
-87.2
-127.0
-140.2
-150.9
-168.7
176.2
143.1
118.4
100.2
86.8
75.7
65.2
18.431
12.799
7.121
5.796
4.893
3.757
3.081
2.202
1.766
1.537
1.338
1.176
1.015
138.3
115.2
95.1
89.6
84.9
77.2
69.7
55.3
43.0
30.9
18.8
7.1
-3.7
0.028
0.043
0.072
0.086
0.098
0.129
0.160
0.239
0.309
0.386
0.446
0.481
0.493
68.0
65.4
70.0
70.8
71.7
73.0
73.5
70.3
65.5
58.7
50.0
40.3
30.1
0.777
0.565
0.426
0.409
0.391
0.379
0.377
0.378
0.369
0.385
0.418
0.484
0.563
-25.8
-32.5
-32.5
-31.9
-32.4
-34.4
-37.6
-49.5
-66.2
-87.3
-113.7
-139.9
-160.3
0.39
0.68
0.91
0.96
1.00
1.02
1.02
0.98
0.97
0.91
0.88
0.87
0.86
28.2
24.7
20.0
18.3
17.0
13.8
12.0
9.6
7.6
6.0
4.8
3.9
3.1
V
CE
= 10 V, I
C
= 20 mA
100
200
400
500
600
800
1000
1500
2000
2500
3000
3500
4000
0.410
0.252
0.177
0.163
0.155
0.148
0.146
0.157
0.197
0.285
0.387
0.489
0.576
-68.8
-105.2
-142.5
-155.1
-164.7
178.8
164.9
133.3
111.2
95.9
84.5
74.5
65.0
25.453
14.914
7.780
6.281
5.279
4.043
3.292
2.352
1.877
1.643
1.440
1.274
1.112
126.7
106.5
91.2
86.4
82.5
75.7
69.3
56.3
44.2
32.5
21.1
9.2
-2.1
0.024
0.040
0.072
0.089
0.103
0.137
0.171
0.250
0.321
0.392
0.446
0.476
0.489
71.1
71.5
76.3
74.7
76.7
75.9
74.1
69.7
63.5
56.4
48.0
38.7
28.7
0.650
0.452
0.360
0.351
0.339
0.334
0.334
0.337
0.327
0.339
0.372
0.439
0.521
-31.2
-32.8
-29.6
-29.3
-29.7
-32.1
-35.8
-47.9
-65.7
-87.6
-115.1
-141.6
-161.3
0.57
0.84
0.97
0.99
1.01
1.01
1.01
0.99
0.98
0.94
0.92
0.90
0.88
30.3
25.7
20.3
18.5
16.5
14.1
12.2
9.7
7.7
6.2
5.1
4.3
3.6
Note:
1. Gain Calculations:
MAG =
|S
21
|
|S
12
|
(
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 ]
