NE688 SERIES
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
90˚
1
.8
1.5
.6
2
135˚
45˚
.4
3
S22
S11
4
5
5 GHz
5 GHz
.2
S12
0.1 GHz
10
20
S21
5 GHz
4
0
.2
.4 .6
.8
1
1.5
2
3
5
10 20
180˚
.25
0˚
S
22
-20
-10
0.1 GHz
S21
0.1 GHz
S
11
S12
5 GHz
-5
-4
0.1 GHz
-.2
1
-3
Coordinates in Ohms
Frequency in GHz
-.4
315˚
225˚
-2
(VCE = 0.5 V, IC = 0.5 mA)
-.6
-1.5
-.8
-1
270˚
NE68819
VCE = 0.5 V, IC = 0.5 mA
FREQUENCY
S11
S21
S12
S22
K
MAG1
GHz
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
MAG
0.976
0.890
0.764
0.726
0.691
0.685
0.689
0.693
ANG
-16.300
-62.900
-108.300
-125.500
-159.300
174.200
150.800
129.200
MAG
1.892 164.300
1.635 125.300
1.250
1.098
0.859
0.715
0.618
0.554
ANG
MAG
0.061
0.203
0.283
0.294
0.276
0.233
0.184
0.159
ANG
77.700
47.300
18.500
8.100
-10.800
-21.800
-23.000
-8.700
MAG
0.990
ANG
-9.700
(dB)
14.916
9.060
6.451
5.723
4.931
4.870
2.208
1.042
0.096
0.892
0.757
0.716
0.654
0.626
0.607
0.592
-34.600
-56.300
-64.300
-81.500
-97.700
-115.400
-136.300
0.229
0.428
0.518
0.722
0.946
1.257
1.553
86.900
72.100
43.500
22.600
6.500
-5.300
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
0.955
0.846
0.705
0.666
0.624
0.612
0.610
0.612
0.633
0.660
-18.200
-68.100
-114.900
-132.000
-165.000
169.600
147.400
127.000
87.700
3.606 164.000
2.975 127.000
0.047
0.153
0.205
0.210
0.200
0.181
0.171
0.189
0.312
0.434
77.800
47.200
21.600
13.300
0.700
-3.100
1.400
9.500
0.985
0.851
0.685
0.636
0.565
0.529
0.503
0.478
0.464
0.542
-10.600
-37.000
-58.000
-65.100
-79.600
-92.900
-107.600
-125.400
-175.100
135.800
0.083
0.197
0.384
0.480
0.727
1.002
1.241
1.295
1.058
1.022
18.849
12.888
10.156
9.390
8.335
7.576
4.481
3.271
2.229
0.747
2.125
1.825
1.363
1.102
0.948
0.850
92.400
79.400
53.900
34.300
17.600
3.100
0.731 -22.000
0.634 -42.500
7.300
-14.500
50.700
VCE = 3.0 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
0.902
0.706
0.558
0.528
0.496
0.484
0.480
0.485
0.518
0.579
-25.000
-86.100
-133.100
-148.700
-177.500
161.200
142.700
125.800
91.200
9.548 160.300
6.729 119.100
0.035
0.098
0.123
0.129
0.143
0.162
0.189
0.224
0.313
0.396
75.900
44.700
29.300
26.300
23.100
22.300
21.100
17.800
4.600
0.964
0.708
0.500
0.448
0.383
0.349
0.324
0.295
0.256
0.342
-15.500
-47.700
-66.200
-71.400
-80.700
-89.300
-98.900
-112.300
-159.100
147.600
0.085
0.288
0.552
0.673
0.911
1.068
1.127
1.115
1.030
0.973
24.358
18.367
15.318
14.306
12.365
9.158
7.147
5.973
4.721
3.957
4.185
3.477
2.465
1.924
1.613
1.425
1.187
0.985
89.200
78.800
57.900
40.800
25.100
10.500
-17.200
-43.600
56.600
-14.900
VCE = 3.0 V, IC = 7.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.786
0.542
0.450
0.434
0.420
0.411
0.410
0.413
0.460
0.533
-39.600
-113.500
-156.200
-169.300
167.100
149.700
134.000
120.000
89.000
18.403 151.700
9.834 106.700
0.031
0.073
0.097
0.109
0.143
0.180
0.220
0.262
0.347
0.413
72.000
44.700
40.800
40.500
38.100
33.900
27.700
19.900
1.500
0.903
0.506
0.320
0.281
0.231
0.203
0.179
0.154
0.137
0.255
-25.500
-65.400
-82.200
-86.600
-93.200
-99.000
-106.000
-119.300
177.100
127.900
0.118
0.487
0.797
0.894
1.016
1.069
1.078
1.067
1.024
0.996
27.735
21.294
17.498
16.104
12.550
9.601
7.824
6.606
5.143
4.545
5.452
4.445
3.072
2.376
1.974
1.726
82.100
73.700
55.700
40.500
25.900
12.000
1.412 -14.800
1.176 -40.600
54.800
-18.700
Note:
1.Gain Calculations:
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 ]
