ATF-38143 データシートの表示（PDF） - Avago Technologies
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ATF-38143 Datasheet PDF : 12 Pages
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ATF-38143 Typical Performance Curves, continued
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
5 mA
10 mA
20 mA
2
4
6
8
FREQUENCY (GHz)
Figure 12. Fmin vs. Frequency and Current at 2V.
30
1.6
1.4
25
Ga
Fmin
1.2
20
1.0
15
0.8
0.6
10
0.4
5
–40 C
+25 C 0.2
+85 C
0
0
012 3456 7
FREQUENCY (GHz)
Figure 13. Fmin and Ga vs. Frequency and
Temperature at 2V, 10 mA.
30
25
20
15
10
5
5 mA
10 mA
20 mA
0
0 2 4 6 8 10 12
FREQUENCY (GHz)
Figure 14. Associated Gain vs. Frequency and
Current at 2V.
26
24
22
20
–40 C
+25 C
18
+85 C
16
14
12
10
0
2000 4000 6000 8000
FREQUENCY (MHz)
Figure 15. P1dB and OIP3 vs. Frequency and
Temperature at 2V, 10 mA.
30
1.4
25
1.2
1.0
20
0.8
15
0.6
10
0.4
P1dB
5
OIP3
Gain 0.2
NF
0
0
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 16. NF, Gain, P1dB and OIP3 vs. IDS at 2V, 3.9 GHz.
30
1.4
25
1.2
1.0
20
0.8
15
0.6
10
0.4
P1dB
5
OIP3
Gain 0.2
NF
0
0
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 17. NF, Gain, P1dB and OIP3 vs. IDS at 2V, 5.8 GHz.
Notes:
1. P1dB measurements are performed with passive biasing. Quiescent drain current, IDSQ, is set with zero RF drive applied. As P1dB is approached, the
drain current may increase or decrease depending on frequency and dc bias point. At lower values of IDSQ the device is running closer to class B
as power output approaches P1dB. This results in higher P1dB and higher PAE (power added efficiency) when compared to a device that is driven
by a constant current source as is typically done with active biasing.
5
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