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7
ATF-521P8 Typical Performance Curves (at 25
°C unless specified otherwise)
Tuned for Optimal P1dB
Note:
Bias current for the above charts are quiescent
conditions. Actual level may increase depending
on amount of RF drive.
Figure 24. OIP3 vs. Ids and Vds at 2 GHz.
Id (mA)
45
40
35
30
25
20
15
10
100
400
200
150
300
350
250
4.5V
4V
3V
200
150
300
350
250
4.5V
4V
3V
Figure 25. OIP3 vs. Ids and Vds at 900 MHz.
4.5V
4V
3V
Id (mA)
45
40
35
30
25
20
15
10
100
400
Figure 27. P1dB vs. Idq and Vds at 2 GHz.
4.5V
4V
3V
Idq (mA)
35
30
25
20
15
10
100
400
200
150
300
350
250
Figure 28. P1dB vs. Idq and Vds at 900 MHz.
4.5V
4V
3V
Idq (mA)
35
30
25
20
15
10
100
400
200
150
300
350
250
Figure 29. P1dB vs. Idq and Vds at 3.9 GHz.
4.5V
4V
3V
Idq (mA)
35
30
25
20
15
10
100
400
200
150
300
350
250
Figure 30. Gain vs Ids and Vds at 2 GHz.
4.5V
4V
3V
Id (mA)
17
15
13
11
9
7
5
100
400
200
150
300
350
250
Figure 31. Gain vs Ids and Vds at 900 MHz.
4.5V
4V
3V
Id (mA)
17
15
13
11
9
7
5
100
400
200
150
300
350
250
Figure 32. Gain vs Ids and Vds at 3.9 GHz.
Id (mA)
17
15
13
11
9
7
5
100
400
200
150
300
350
250
4.5V
4V
3V
Figure 26. OIP3 vs. Ids and Vds at 3.9 GHz.
4.5V
4V
3V
Id (mA)
50
45
40
35
30
25
20
15
10
100
400
200
150
300
350
250
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