ada-4789 Avago Technologies, ada-4789 Datasheet - Page 10

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

Typical Scattering Parameters At 25°C, Id = 80mA
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.
10
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
S11
Mag.
0.151
0.112
0.087
0.081
0.086
0.093
0.085
0.104
0.145
0.199
0.259
0.356
0.417
0.500
0.551
0.592
0.634
0.674
0.705
0.733
0.743
0.744
1.1
181.0
148.5
129.5
114.6
18.4
12.9
3.1
98.5
85.3
74.4
51.8
36.0
28.0
23.3
9.6
Ang.
-37.7
-48.0
-147.0
-138.8
60.9
43.9
S21
16.716
16.45
16.416
16.408
15.980
15.931
15.768
15.596
15.414
15.227
14.543
13.319
12.108
10.428
3.161
dB
9.191
8.000
6.629
4.994
0.844
-.0.602
-1.713
1.777
1.439
1.102
Mag.
6.852
6.645
6.619
6.613
6.295
6.260
6.143
6.023
5.898
5.772
5.335
4.634
4.031
3.322
2.881
2.512
2.145
0.933
0.821
171.3
164.1
144.7
140.0
107.0
103.3
Ang.
84.6
65.8
47.2
28.5
9.0
-11.2
-31.6
-50.6
-67.2
-82.6
-97.9
-113.2
-122.1
229.0
221.4
-147.7
S12
Mag.
0.098
0.097
0.092
0.091
0.084
0.083
0.083
0.084
0.085
0.086
0.084
0.083
0.081
0.079
0.075
0.070
0.066
0.060
0.054
0.049
0.046
0.045
Ang.
-0.2
-6.8
-14.2
-18.9
-26.1
-27.0
-31.0
-35.1
-39.2
-43.2
-48.8
-55.9
-64.1
-72.1
-78.7
-85.6
-92.6
-99.6
-103.5
252.9
-113.4
239.1
S22
Mag.
0.150
0.171
0.142
0.135
0.204
0.212
0.279
0.347
0.417
0.487
0.562
0.630
0.670
0.702
0.735
0.798
0.830
0.830
0.830
0.820
0.800
0.767
178.6
144.7
113.6
73.0
15.9
12.5
1.6
Ang.
-8.5
-34.4
-78.4
-89.3
-114.1
-116.3
-148.7
99.6
87.1
59.0
47.8
37.1
26.5
9.1
6.2