ATF-38143 查看數據表（PDF） - Avago Technologies
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ATF-38143 Datasheet PDF : 12 Pages
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ATF-38143 Typical Performance Curves
30
OIP3
25
30
OIP3
25
20
20
15
P1dB
10
15
P1dB
10
5
5
0
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 6. OIP3 and P1dB vs. Id at 2V, 2 GHz.
0
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 7. OIP3 and P1dB vs. Id at 2V, 900 MHz.
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 8. Noise Figure vs. Id at 2V, 2 GHz.
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 9. Noise Figure vs. Id at 2V, 900 MHz.
22
21
20
19
18
17
16
15
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 10. Associated Gain vs. Id at 2V, 2 GHz.
22
21
20
19
18
17
16
15
0 10 20 30 40 50 60
CURRENT, IDS (mA)
Figure 11. Associated Gain vs. Id at 2V, 900 MHz.
Notes:
1. Measurements made on a fixed tuned production test board that was tuned for optimal gain match with reasonable noise figure at 2 V 10 mA
bias. This circuit represents a trade-off between an optimal noise match, maximum gain match and a realizable match based on production test
board requirements. Circuit losses have been de-embedded from actual measurements.
2. 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.
4
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