ada-4789 Avago Technologies, ada-4789 Datasheet - Page 8

• Manufacturer Part Number: ada-4789
• Description: Silicon Bipolar Darlington Amplifier
• Manufacturer: Avago Technologies

Typical Scattering Parameters At 25°C, Id = 50mA
Notes:
S parameters are measured on a micro-strip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the RFin
lead. The output reference plane is at the end of the RFout lead.
8
Freq. GHz
1.0
1.9
10.0
0.1
0.5
0.9
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
S11
Mag.
0.168
0.110
0.087
0.083
0.093
0.103
0.095
0.114
0.154
0.196
0.246
0.344
0.405
0.489
0.540
0.582
0.625
0.667
0.696
0.728
0.737
0.738
176.1
144.7
123.7
106.1
18.8
13.2
Ang.
3.0
-12.5
-50.0
-60.1
-155.0
-144.8
98.3
85.8
74.7
61.4
52.2
44.3
36.5
28.5
23.7
9.9
S21
16.469
16.213
16.182
16.172
15.741
15695
15.528
15.362
15.199
15.035
14.357
13.120
11.925
10.243
7.854
3.027
dB
9.030
6.477
4.851
0.725
-0.715
-1.809
1.748
1.417
1.087
Mag.
6.660
6.466
6.443
6.436
6.124
6.092
5.976
5.863
5.754
5.646
5.222
4.529
3.947
3.252
2.828
2.470
2.108
0.921
0.812
171.3
164.0
144.7
140.0
107.1
103.4
28.7
228.9
221.1
Ang.
84.8
66.0
47.4
9.2
-11.0
-31.4
-50.4
-67.1
-82.5
-97.9
-113.2
-122.2
-148.1
S12
Mag.
0.099
0.098
0.094
0.092
0.085
0.084
0.084
0.085
0.087
0.088
0.086
0.084
0.083
0.080
0.076
0.071
0.067
0.061
0.055
0.049
0.046
0.045
-7.0
-14.4
-19.2
-31.3
-39.4
-49.3
-64.8
-72.9
-100.6
-104.6
245.4
Ang.
-0.2
-26.3
-27.1
-35.4
-43.6
-56.4
-79.7
-86.8
-93.6
251.6
238.0
S22
Mag.
0.168
0.188
0.157
0149
0.218
0.226
0.292
0.358
0.422
0.486
0.559
06.29
0.669
0.700
0.732
0.764
0.794
0.827
0.827
0.826
0.816
0.797
181.0
149.3
115.4
100.4
73.2
16.0
12.5
1.8
Ang.
-8.4
-28.0
-72.9
-84.4
-110.7
-114.1
-146.6
87.6
59.1
47.9
37.3
26.6
9.2
6.2