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6
ATF-521P8 Typical Performance Curves, continued (at 25
°C unless specified otherwise)
Tuned for Optimal OIP3
Note:
Bias current for the above charts are quiescent
conditions. Actual level may increase depending
on amount of RF drive.
Figure 17. PAE @ P1dB vs. Idq and Vds
at 2 GHz.
Idq (mA)
70
60
50
40
30
20
10
100
400
200
150
300
350
250
4.5V
4V
3V
Figure 18. PAE @ P1dB vs. Idq and Vds
at 900 MHz.
Idq (mA)
70
60
50
40
30
20
10
100
400
200
150
300
350
250
4.5V
4V
3V
Figure 19. PAE @ P1dB vs. Idq and Vds
at 3.9 GHz.
Idq (mA)
50
45
40
35
30
25
20
15
10
100
400
200
150
300
350
250
4.5V
4V
3V
Figure 20. OIP3 vs. Temp and Freq
tuned for optimal OIP3 at 4.5V, 200 mA.
FREQUENCY (GHz)
50
45
40
35
30
25
20
15
0.5
4
3.5
1.5
1
2.5
3
2
85
°C
25
°C
-40
°C
Figure 21. P1dB vs. Temp and Freq
tuned for optimal OIP3 at 4.5V, 200 mA.
FREQUENCY (GHz)
29
27
25
23
21
19
17
15
0.5
4
3.5
1.5
1
2.5
3
2
85
°C
25
°C
-40
°C
Figure 22. Gain vs. Temp and Freq
tuned for optimal OIP3 at 4.5V, 200 mA.
FREQUENCY (GHz)
20
15
10
5
0
0.5
4
3.5
1.5
1
2.5
3
2
85
°C
25
°C
-40
°C
Figure 23. PAE vs Temp and Freq
tuned for optimal OIP3 at 4.5V, 200 mA.
FREQUENCY (GHz)
70
60
50
40
30
20
10
0
0.5
4
3.5
1.5
1
2.5
3
2
85
°C
25
°C
-40
°C
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