NE686 SERIES
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
1
90˚
.8
1.5
.6
2
.4
135˚
45˚
3
4
.2
5
S22
5 GHz
S22
0.1 GHz
10
20
4
S12
0.1 GHz
0
.2
.4 .6
.8
1
1.5
2
3
5
10
S
21
180˚
0˚
.05 .010.015 .020.025
S11
0.1 GHz
-20
-10
0.1 GHz
S11
5 GHz
S
21
2.5
5 GHz
S12
-5
-.2
5 GHz
-4
Coordinates in Ohms
Frequency in GHz
5
-3
-.4
315˚
225˚
-2
7.5
(VCE = 1 V, IC = 3 mA)
-.6
-1.5
-.8
-1
NE68618
VCE = 0.5 V, IC = 0.5 mA
270˚
FREQUENCY
S11
S21
S12
S22
K
MAG1
(dB)
GHz
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.981
0.965
0.910
0.873
0.775
0.675
0.584
0.505
0.363
0.298
-5.400
-19.400
-38.900
-47.700
-70.200
-90.800
-111.200
-130.500
-175.500
122.200
1.742 170.900
1.717 156.600
1.667 134.100
1.620 123.700
0.018
0.069
0.130
0.156
0.208
0.241
0.261
0.273
0.289
0.289
85.100
72.900
56.400
48.600
30.500
15.000
1.800
-9.500
-29.700
-47.800
0.998
0.988
0.953
0.930
0.863
0.795
0.741
0.694
-4.500
0.088
0.128
0.247
0.310
0.455
0.595
0.714
0.820
1.013
1.187
19.858
13.959
11.080
10.164
8.598
7.594
6.936
6.484
5.181
2.982
-17.400
-33.800
-41.500
-59.000
-74.000
-86.800
-98.500
1.506
1.385
1.289
1.215
1.118
98.600
76.400
56.200
38.700
6.100
0.599 -120.800
0.492 -151.700
1.049 -26.800
VCE = 1.0 V, IC = 1.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.951
0.941
0.854
0.799
0.669
0.554
0.456
0.378
0.247
0.207
-6.200
-21.900
-43.300
-53.000
-75.800
-95.800
-114.500
-132.100
-176.200
114.600
3.324 171.000
3.232 154.800
3.027 131.200
2.879 120.700
0.015
0.057
0.105
0.125
0.161
0.184
0.199
0.211
0.238
0.269
82.800
71.800
55.200
47.700
31.200
18.500
8.000
-0.500
-15.500
-31.300
0.995
0.976
0.919
0.884
0.793
0.715
0.657
0.611
0.520
0.411
-4.900
-19.000
-36.500
-44.400
-61.500
-75.600
-87.300
-97.900
-119.200
-151.100
0.119
0.147
0.277
0.341
0.507
0.656
0.793
0.907
1.075
1.165
23.456
17.536
14.598
13.623
11.961
10.798
9.954
9.264
6.442
4.693
2.529
2.211
1.969
1.781
1.543
1.397
95.900
74.800
55.800
39.300
8.700
-22.400
VCE = 1.0 V, IC = 3.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.888
0.806
0.619
0.537
0.377
0.272
0.201
0.149
0.092
0.175
-9.000
-34.400
-61.800
-72.800
-95.200
-113.800
-131.800
-147.600
146.900
74.000
8.309 169.500
7.521 143.100
6.033 114.400
5.360 103.200
0.015
0.053
0.088
0.101
0.126
0.148
0.168
0.190
0.240
0.292
86.700
66.400
50.300
44.600
34.100
26.500
19.300
12.500
-2.500
-20.500
0.981
-7.200
-27.100
-46.800
-54.100
-67.900
-78.500
-87.400
-96.200
-116.200
-150.600
0.058
0.266
0.486
0.580
0.782
0.921
1.015
1.072
1.114
1.116
27.435
21.520
18.361
17.248
15.108
13.426
11.363
9.303
0.905
0.758
0.695
0.582
0.516
0.478
0.453
0.387
0.284
4.085
3.257
2.729
2.359
1.921
79.700
61.200
44.700
30.200
3.400
6.980
5.501
1.669 -24.300
VCE = 2.0 V, IC = 3.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.888
0.819
0.638
0.555
0.389
0.282
0.203
0.145
0.056
0.126
-8.100
-31.700
-57.400
-67.400
-87.700
-103.500
-118.000
-127.900
-178.900
66.600
8.454 169.600
7.701 144.300
6.259 116.100
5.586 105.000
0.013
0.047
0.080
0.092
0.116
0.138
0.157
0.178
0.225
0.278
81.500
68.200
52.500
46.900
36.500
28.700
21.600
14.700
-0.200
0.986
0.918
0.785
0.727
0.621
0.558
0.524
0.503
0.446
0.346
-6.600
-25.000
-43.400
-50.500
-63.800
-74.100
-82.800
-91.300
-109.700
-138.700
0.146
0.263
0.483
0.576
0.775
0.909
0.999
1.056
1.101
1.098
28.131
22.144
18.934
17.833
15.679
13.948
12.617
9.982
4.289
3.425
2.868
2.472
2.004
1.747
81.500
63.000
46.600
32.300
5.900
7.565
6.072
-21.100
-17.500
Note:
1. Gain Calculation:
2
1 + | ∆ |2 - |S11
|
2 - |S22
|
|S21
|S12
|
|
K 2 - 1 ). When K ≤ 1, MAG is undefined and MSG values are used.
∆ = S11 S22 - S21 S12
|S21
|S12
|
|
(
K
MAG =
MSG =
, K =
,
2 |S12
S21|
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
CEL [ CALIFORNIA EASTERN LABS ]
