
NE68833
V
CE
= 0.5 V, I
C
= 0.5 mA
V
CE
= 1.0 V, I
C
= 1.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.960
0.821
0.650
0.602
0.555
0.556
0.576
0.592
0.618
0.626
-16.300
-66.100
-112.800
-130.600
-165.100
168.200
146.900
128.400
98.100
75.400
3.468
2.890
2.090
1.803
1.360
1.106
0.938
0.826
0.724
0.700
165.600
128.500
95.600
83.800
61.400
44.800
32.500
24.000
13.600
4.000
0.051
0.163
0.215
0.219
0.203
0.190
0.215
0.282
0.459
0.593
78.200
51.000
30.000
24.200
20.000
28.300
41.900
48.500
40.800
24.000
0.983
0.835
0.649
0.592
0.508
0.474
0.464
0.468
0.483
0.500
-9.800
-33.200
-50.700
-56.500
-69.500
-83.200
-99.100
-116.200
-151.100
174.500
0.098
0.235
0.459
0.571
0.865
1.122
1.162
1.068
0.968
0.990
18.325
12.487
9.877
9.156
8.260
5.529
3.959
3.074
1.979
0.720
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
0.971
0.877
0.723
0.683
0.640
0.644
0.669
0.682
-15.100
-59.900
-105.400
-122.900
-158.100
174.400
151.300
131.300
1.775
1.588
1.237
1.101
0.871
0.717
0.612
0.544
164.000
127.800
90.500
76.900
51.800
35.000
25.500
22.100
0.065
0.215
0.295
0.303
0.265
0.199
0.171
0.243
79.000
50.900
25.300
16.500
2.900
3.900
27.800
47.700
0.989
0.883
0.729
0.682
0.609
0.584
0.578
0.580
-8.700
-30.200
-48.600
-55.300
-71.400
-88.400
-107.300
-126.900
0.117
0.261
0.491
0.581
0.824
1.167
1.428
1.244
14.363
8.684
6.225
5.603
5.168
3.092
1.649
0.525
V
CE
= 1.0 V, I
C
= 3.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
FREQUENCY
S
11
S
21
S
12
S
22
K
MAG
1
GHz
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
(dB)
0.877
0.607
0.462
0.437
0.423
0.437
0.461
0.481
0.523
0.571
-28.400
-94.900
-141.800
-157.700
173.800
152.600
136.300
121.800
98.200
78.400
9.241
5.850
3.462
2.859
2.032
1.616
1.361
1.197
1.005
0.882
157.900
113.900
87.200
78.500
61.200
47.500
35.700
26.300
10.500
-2.600
0.048
0.122
0.154
0.166
0.202
0.246
0.299
0.356
0.473
0.566
73.200
46.800
40.500
40.900
43.700
45.300
44.700
42.000
32.300
19.400
0.937
0.599
0.382
0.331
0.265
0.239
0.237
0.250
0.294
0.349
-19.300
-53.600
-70.400
-75.500
-87.200
-100.400
-115.600
-131.300
-162.400
167.000
0.128
0.411
0.731
0.853
1.029
1.079
1.062
1.033
0.981
0.974
22.845
16.808
13.518
12.361
8.987
6.461
5.066
4.151
3.273
1.927
TYPICAL SCATTERING PARAMETERS
(T
A
= 25
°
C)
NE688 SERIES
Coordinates in Ohms
Frequency in GHz
(V
CE
= 0.5 V, I
C
= 0.5 mA)
20
10
5
4
3
2
1.5
1
.8
.6
.4
.2
-.2
-.4
-.6
-.8
-1
-1.5
-2
-3
-4
-5
-10
-20
0
20
10
1.5
.8
.6
.4
.2
5
4
3
2
1
S
22
0.1 GHz
S
11
0.1 GHz
S
22
5 GHz
S
11
5 GHz
90
270
180
225
315
135
45
0
1
.25
.50
S
12
0.1 GHz
S
21
5 GHz
S
21
0.1 GHz
S
12
5 GHz
V
CE
= 3.0 V, I
C
= 3.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.892
0.629
0.446
0.409
0.379
0.389
0.410
0.432
0.484
0.533
-23.800
-83.800
-129.900
-146.800
-178.400
158.300
140.300
125.000
100.300
79.800
9.321
6.328
3.868
3.204
2.277
1.797
1.507
1.315
1.087
0.947
160.400
118.600
91.300
82.400
65.100
51.400
39.500
29.800
13.600
-0.100
0.037
0.102
0.133
0.144
0.177
0.218
0.270
0.327
0.449
0.558
75.000
51.000
44.500
44.900
48.200
50.600
50.800
48.500
39.400
26.400
0.954
0.666
0.454
0.403
0.336
0.305
0.293
0.293
0.310
0.342
-15.000
-42.700
-55.000
-58.200
-65.900
-75.600
-88.100
-102.600
-134.200
-168.400
0.137
0.399
0.719
0.841
1.017
1.066
1.043
1.009
0.945
0.939
24.013
17.927
14.636
13.473
10.300
7.588
6.192
5.474
3.840
2.297
See notes on previous page.