ADA-4643 Agilent Technologies, Inc., ADA-4643 Datasheet - Page 4

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

4
ADA-4643 Typical Performance Curves
Figure 12. Gain vs. I d and Frequency (GHz).
Figure 9. P 1dB vs. I d and Temperature
at 900 MHz.
Figure 15. NF vs. I d and Frequency (GHz).
-10
5.5
4.5
3.5
20
15
10
20
18
16
14
12
10
-5
6
5
4
3
5
0
8
0
0
0
10
10
10
20
20
20
30
30
I d (mA)
30
I d (mA)
I d (mA)
30
40
40
30
50
50
-40°C
25°C
85°C
30
60
60
0.1
0.5
0.9
1.5
2.0
2.5
3
4
5
6
6
5
4
3
2.5
2.0
1.5
0.9
0.5
0.1
70
70
40
(at 25°C, unless specified otherwise)
Figure 10. OIP 3 vs. I d and Temperature
at 900 MHz.
Figure 16. Input Return Loss vs. I d
and Frequency (GHz).
Figure 13. P 1dB vs. I d and Frequency (GHz).
-10
-15
-20
-10
25
20
15
10
35
30
25
20
15
10
-5
-5
5
0
0
5
0
0
0
10
10
2
20
20
FREQUENCY (GHz)
4
30
30
I d (mA)
I d (mA)
6
40
40
8
50
50
Id = 27 mA
Id = 35 mA
Id = 45 mA
Id = 60 mA
-40°C
25°C
85°C
, continued
10
60
60
0.1
0.5
0.9
1.5
2.0
2.5
3
4
5
6
70
12
70
Figure 17. Output Return Loss vs. I d
and Frequency (GHz).
Figure 11. NF vs. I d and Temperature
at 900 MHz.
Figure 14. OIP 3 vs. I d and Frequency (GHz).
-10
-15
-20
-25
16
40
35
30
25
20
15
10
-5
0
5
4
3
2
1
0
5
0
0
0
10
10
2
20
20
FREQUENCY (GHz)
4
30
30
I d (mA)
I d (mA)
6
40
40
8
50
50
Id = 27 mA
Id = 3 5 mA
Id = 45 mA
Id = 60 mA
-40°C
25°C
85°C
10
60
60
0.1
0.5
0.9
1.5
2.0
2.5
3
4
5
6
70
70
12