ADA-4643 Agilent Technologies, Inc., ADA-4643 Datasheet - Page 6

• Manufacturer Part Number: ADA-4643
• Description: ADA-4643 Silicon Bipolar Darlington Amplifier
• Manufacturer: Agilent Technologies, Inc.

6
ADA-4643 Typical Scattering Parameters, T
Freq.
GHz
0.1
0.5
0.9
1.0
1.5
1.9
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
10.0
Notes:
1. S-parameters are measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the input lead. The
output reference plane is at the end of the output lead.
Mag.
0.151
0.185
0.265
0.272
0.340
0.367
0.373
0.39
0.395
0.387
0.370
0.353
0.332
0.319
0.310
0.293
0.266
0.238
0.217
0.222
0.256
0.300
0.357
S
11
Ang.
1.6
13.1
14.9
12.4
-0.7
-9.5
-12.1
-22.7
-33
-44.3
-57.4
-71.6
-87.7
-106
-123.6
-140.2
-158.8
177.8
148.5
119.5
95
74.9
59.1
dB
17.51
17.35
16.98
16.86
16.27
15.82
15.72
15.19
14.71
14.23
13.79
13.36
12.84
12.34
11.8
11.28
10.75
10.15
9.48
8.62
7.81
6.88
6.01
A
= 25°C, I
S
Mag.
7.504
7.367
7.06
6.97
6.511
6.178
6.107
5.745
5.436
5.149
4.89
4.657
4.383
4.141
3.889
3.666
3.449
3.219
2.979
2.697
2.458
2.208
1.996
21
d
Ang.
175.9
160.1
144.6
140.9
123.9
111
108
92.8
78.3
63.9
49.9
35.9
21.9
8.3
-5.4
-18.6
-32
-45.5
-59
-71.7
-83.4
-95.8
-107.2
= 35 mA
Mag.
0.091
0.09
0.087
0.086
0.082
0.080
0.079
0.078
0.077
0.079
0.082
0.087
0.093
0.102
0.112
0.124
0.138
0.151
0.161
0.169
0.178
0.188
0.196
S
12
Ang.
-0.8
-4.2
-7
-7.5
-8.8
-9.1
-9.1
-8.5
-7.3
-6
-4.8
-3.9
-4.2
-5.1
-7.5
-10.8
-15.8
-22.2
-29.3
-36.1
-42.5
-49.5
-56.9
Mag.
0.223
0.224
0.251
0.256
0.264
0.259
0.256
0.236
0.209
0.181
0.166
0.17
0.185
0.207
0.23
0.248
0.27
0.301
0.34
0.385
0.434
0.486
0.534
S
22
Ang.
-4.1
-11.7
-19
-21.7
-36.2
-47.6
-50.3
-64.4
-80.4
-99.9
-123.4
-148.9
-170.6
172.5
157.5
140.9
122.3
103
84.3
69.6
57.9
47.9
39.2
K
1.1
1.1
1.1
1.1
1.1
1.2
1.2
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1
1