ATF-531P8 Typical Performance Curves
(at 25°C unless specified otherwise)
Tuned for Optimal OIP3,
continued
45
20
30
40
15
25
OIP3 (dBm)
GAIN (dB)
35
10
P1dB (dBm)
-40°C
25°C
85°C
20
30
-40°C
25°C
85°C
25
5
15
-40°C
25°C
85°C
20
0.5
1.5
2.5
3.5
4.5
5.5
0
0.5
1.5
2.5
3.5
4.5
5.5
10
0.5
1.5
2.5
3.5
4.5
5.5
FREQUENCY (GHz)
FREQUENCY (GHz)
FREQUENCY (GHz)
Figure 24. OIP3 vs. Temp and Freq.
(Tuned for optimal OIP3 at 4V, 135 mA)
80
70
60
50
Figure 25. Small Signal Gain vs. Temp and
Freq. (Tuned for optimal OIP3 at 4V, 135 mA)
Figure 26. P1dB vs. Temp and Freq.
(Tuned for optimal OIP3 at 4V, 135 mA)
PAE (%)
40
30
20
10
0
0.5
1.5
2.5
3.5
4.5
-40°C
25°C
85°C
5.5
FREQUENCY (GHz)
Figure 27. PAE vs. Temp and Freq.
(Tuned for optimal OIP3 at 4V, 135 mA)
Note:
Bias current for the above charts are quiescent
conditions. Actual level may increase or
decrease depending on amount of RF drive. The
objective of load pull is to optimize OIP3 and
therefore may trade-off Small Signal Gain, P1dB
and VSWR.
7
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