NE685 SERIES
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
1
90˚
.8
1.5
.6
2
S
12
.4
135˚
45˚
4 GHz
3
4
.2
5
S22
4 GHz
S
12
S22
0.1 GHz
S
21
10
20
0.1 GHz
0.1 GHz
4
0
.2
.4 .6
.8
1
1.5
2
3
5
10 20
S
21
180˚
.1
.2
.3
.4
0˚
-20
-10
S11
0.1 GHz
4 GHz
S11
1
2
4 GHz
-5
-4
-.2
Coordinates in Ohms
Frequency in GHz
-3
-.4
315˚
225˚
-2
3
(VCE = 2.5 V, IC = 1 mA)
-.6
-1.5
-.8
-1
270˚
NE68530
VCE = 0.5 V, IC = 0.5 mA
FREQUENCY
S11
S21
S12
S22
K
MAG1
(dB)
GHz
MAG
ANG
MAG
ANG
171.000
MAG
ANG
MAG
ANG
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
0.986
0.938
0.821
0.749
0.581
-6.400
1.839
1.763
1.612
1.542
1.356
1.198
1.091
1.007
0.030
0.121
0.213
0.246
0.298
0.313
0.310
0.302
84.600
72.200
57.300
51.000
38.700
30.900
27.300
27.500
0.997
0.963
0.873
0.821
0.695
0.607
0.542
0.501
-4.000
-15.800
-29.300
-35.000
-46.100
-54.900
-63.100
-71.000
0.098
0.207
0.384
0.472
0.685
0.863
1.030
1.162
17.875
11.635
8.790
7.971
6.580
5.829
4.410
2.791
-24.300
-47.300
-58.200
-82.800
152.600
128.100
117.000
93.900
76.100
61.700
51.400
0.457 -106.100
0.368 -130.100
0.323 -155.200
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
0.986
0.900
0.735
0.651
0.463
-7.300
-28.100
-52.300
-63.100
-87.200
3.516
3.231
2.766
2.541
2.070
1.735
1.517
1.358
1.143
170.100
150.600
126.000
115.400
94.800
79.200
66.600
57.100
41.200
0.025
0.098
0.167
0.190
0.228
0.248
0.265
0.285
0.341
85.700
71.400
58.000
52.900
45.400
42.300
42.400
43.800
46.700
0.993
0.939
0.812
0.747
0.609
0.521
0.458
0.419
0.377
-4.800
-18.100
-32.000
-37.300
-46.400
-52.900
-59.300
-65.400
-79.400
0.082
0.220
0.418
0.516
0.741
0.922
1.053
1.131
1.163
21.481
15.181
12.191
11.263
9.580
0.339 -109.400
0.258 -135.300
0.219 -160.300
8.448
6.169
4.582
2.803
0.220
149.000
VCE = 2.5 V, IC = 1.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
0.975
0.905
0.756
0.682
0.509
0.387
-6.900
-26.200
-48.000
-57.100
-75.600
-89.500
3.412
3.207
2.779
2.569
2.098
1.762
1.550
1.397
1.190
171.000
151.400
128.300
118.500
100.000
85.500
0.022
0.078
0.138
0.156
0.188
0.208
0.223
0.247
0.315
83.700
72.200
60.800
56.100
51.600
50.400
53.100
55.100
61.100
0.990
0.948
0.841
0.792
0.679
0.616
0.577
0.548
0.510
-4.700
-16.300
-28.000
-32.300
-38.900
-43.100
-45.600
-47.900
-53.000
0.106
0.220
0.410
0.506
0.727
0.909
1.042
1.118
1.133
21.906
16.140
13.040
12.166
10.476
9.279
0.289 -102.100
0.207 -114.700
0.079 -165.800
74.500
7.169
65.200
5.439
51.000
3.557
VCE = 3.0 V, IC = 10 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.764
0.414
0.224
0.181
0.112
0.090
0.086
0.090
0.098
0.119
-21.200
-54.500
-63.500
-63.500
-57.800
-42.600
-27.100
-16.300
6.000
20.910
11.575
6.493
5.306
3.640
2.805
2.314
2.002
1.619
1.441
154.700
114.900
96.100
90.300
80.700
72.600
66.400
60.500
50.800
42.600
0.020
0.052
0.091
0.109
0.157
0.202
0.250
0.292
0.379
0.464
82.600
72.800
71.000
70.500
73.300
70.700
69.600
67.100
63.200
57.500
0.910
0.590
0.457
0.433
0.396
0.389
0.392
0.389
0.374
0.307
-15.900
-31.900
-31.300
-30.900
-30.600
-32.300
-34.300
-36.400
-41.800
-49.900
0.241
0.732
0.946
0.989
1.035
1.054
1.048
1.047
1.033
1.009
30.193
23.475
18.534
16.873
12.510
10.009
8.331
7.030
5.200
48.700
4.333
Note:
1. Gain Calculation:
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
CEL [ CALIFORNIA EASTERN LABS ]
