NE687 SERIES
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
NE68718
VCE = 2.0 V, IC = 7.0 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
4.0
5.0
MAG
0.745
0.501
0.306
0.257
0.202
0.181
0.177
0.182
0.236
0.356
ANG
MAG
17.318
12.131
7.399
6.113
4.245
3.252
2.655
2.269
1.820
1.530
ANG
MAG
0.017
0.053
0.080
0.092
0.123
0.155
0.187
0.219
0.284
0.343
ANG
74.400
57.300
48.800
46.600
40.700
34.000
26.200
17.800
-0.500
MAG
0.942
0.677
0.471
0.419
0.354
0.326
0.315
0.305
0.257
0.175
ANG
(dB)
30.080
23.596
19.661
18.225
15.380
11.842
9.870
-19.300
-72.400
-114.500
-131.700
-168.800
160.000
134.700
113.100
78.300
160.600
119.600
91.300
81.600
62.300
46.200
31.300
17.600
-8.500
-14.900
-44.600
-60.500
-65.300
-74.800
-84.000
-92.700
-102.300
-127.400
-178.000
0.242
0.500
0.790
0.877
0.995
1.051
1.073
1.080
1.065
1.049
8.424
6.508
5.142
50.600
-35.200
-21.000
VCE = 2.0 V, IC = 20.0 mA
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.491
0.259
0.174
0.160
0.158
0.163
0.169
0.173
0.228
0.349
-34.600
-102.300
-151.900
-169.400
155.900
131.600
112.200
95.000
29.872
15.243
8.321
6.748
4.599
3.497
2.843
2.416
1.929
1.611
150.600
105.900
82.800
74.700
57.900
43.300
29.400
16.300
-9.100
0.014
0.042
0.072
0.087
0.125
0.163
0.199
0.235
0.303
0.361
74.200
63.500
59.100
56.600
48.700
39.800
30.300
20.300
0.001
0.851
0.479
0.327
0.296
0.262
0.249
0.246
0.242 -102.400
0.196 -130.200
0.127
-22.900
-52.400
-62.200
-65.700
-74.300
-83.500
-92.200
0.370
0.781
0.966
1.004
1.040
1.053
1.057
1.058
1.044
1.035
33.291
25.598
20.628
18.526
14.437
11.911
10.084
8.648
69.700
46.900
6.752
5.346
-35.100
-21.600
164.300
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 ]
