ada-4789 Avago Technologies, ada-4789 Datasheet - Page 9

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

Typical Scattering Parameters At 25°C, Id = 60mA
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.
9
1.0
1.9
10.0
Freq. GHz
0.1
0.5
0.9
2.0
2.5
3.0
3.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
4.0
4.5
Mag.
S11
0.160
0.110
0.087
0.081
0.089
0.097
0.090
0.109
0.149
0.198
0.253
0.350
0.410
0.493
0.544
0.586
0.628
0.670
0.700
0.730
0.740
0.740
178.3
146.7
126.8
110.5
18.6
13.1
3.1
97.5
85.3
74.5
52.0
36.2
28.3
23.5
9.7
Ang.
-6.1
-44.2
-54.5
-151.3
-142.1
61.0
44.1
16.586
16.325
16.292
16.284
15.855
15.806
15.639
15.471
15.298
15.122
14.441
13.217
12.019
10.344
S21
dB
9.124
7.945
6.580
4.959
3.317
0.828
-0.630
-1.724
1.770
1.435
1.100
Mag.
6.750
6.550
6.525
6.519
6.205
6.170
6.053
5.937
5.820
5.703
5.273
3.990
3.290
2.859
2.496
2.133
0.930
0.820
4.580
171.3
164.1
144.8
140.0
107.1
103.4
Ang.
84.7
66.0
47.4
28.7
9.3
-10.9
-31.3
-50.2
-66.9
-82.3
-97.6
-113.0
-122.0
229.1
221.4
-147.8
S12
Mag.
0.099
0.098
0.093
0.092
0.084
0.083
0.084
0.085
0.086
0.087
0.085
0.083
0.082
0.080
0.075
0.070
0.066
0.061
0.055
0.049
0.046
0.045
Ang.
-0.2
-6.9
-14.2
-19.1
-26.3
-27.1
-31.2
-35.3
-39.3
-43.4
-49.1
-56.2
-64.6
-72.3
-79.3
-86.2
-93.1
-100.0
-104.0
252.0
246.0
238.6
S22
Mag.
0.160
0.180
0.150
0.143
0.212
0.220
0.287
0.353
0.420
0.487
0.560
0.630
0.670
0.703
0.735
0.767
0.798
0.830
0.830
0.830
0.820
0.800
179.8
147.3
114.7
100.2
16.0
12.6
1.7
Ang.
-8.5
-30.7
-75.4
-86.6
-112.3
-115.2
-147.7
87.5
73.2
59.2
47.9
37.3
26.6
9.2
6.2