NE856 SERIES
TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)
90˚
1
0.8
1.5
0.6
2
45˚
135˚
0.4
3
S
21
4
5
0.2
S
12
10
20
50
-50
0.2
0.4
0.6 0.8
1
1.5
2
3
4
5
10 20
180˚
0˚
0.1 0.2 0.3 0.4
5.0
-20
-10
S
22
-5
-4
-0.2
S
11
10.0
15.0
Coordinates in Ohms
Frequency in GHz
VCE = 10 V, IC = 10 mA
-3
-0.4
315˚
225˚
-2
-0.6
-1.5
-0.8
-1
270˚
NE85634
VCE = 10 V, IC = 7 mA
FREQUENCY
S11
S21
S12
S22
K
MAG1
(dB)
(MHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
100
200
400
500
600
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
-42.6
-77.9
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
144.0
121.0
98.1
91.8
86.5
78.1
70.3
55.0
42.4
29.6
17.6
6.0
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
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
0.840
0.636
0.478
0.452
0.431
0.415
0.410
0.411
0.403
0.420
-22.1
-31.0
-33.0
-32.8
-33.3
-35.6
-38.5
-50.3
-66.5
-87.4
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
26.7
23.7
19.6
18.0
16.8
14.0
11.9
9.6
7.4
5.8
4.5
3.5
-119.5
-132.9
-144.5
-162.6
-177.8
148.3
122.2
102.4
87.6
800
1000
1500
2000
2500
3000
3500
4000
0.455 -113.6
0.520 -139.5
0.593 -160.3
75.7
65.2
-4.4
2.7
VCE = 10 V, IC = 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
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
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
-25.8
-32.5
-32.5
-31.9
-32.4
-34.4
-37.6
-49.5
-66.2
-87.3
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
0.418 -113.7
0.484 -139.9
0.563 -160.3
75.7
65.2
-3.7
3.1
VCE = 10 V, IC = 20 mA
100
200
400
500
600
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
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
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
-31.2
-32.8
-29.6
-29.3
-29.7
-32.1
-35.8
-47.9
-65.7
-87.6
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
800
1000
1500
2000
2500
3000
3500
4000
84.5
74.5
65.0
0.372 -115.1
0.439 -141.6
0.521 -161.3
-2.1
3.6
Note:
1. Gain Calculations:
2
1 + | Δ |2 - |S11
|
2 - |S22
S21|
|
|S21
|
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
|
|S12
2 |S12
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
CEL [ CALIFORNIA EASTERN LABS ]
