HFA3925IA96 Ver la hoja de datos (PDF) - Intersil
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HFA3925IA96 Datasheet PDF : 9 Pages
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HFA3925
Typical Performance Curves (Continued)
Power Amplifier CW Performance at Various Supply Voltages NOTE: All data measured at TA = 25oC and VG1, VG2 and VG3
adjusted for first stage quiescent current of 20mA, second stage current of 53mA and third stage current of 90mA, respectively.
30
2.45GHz, VDD1 = VDD2 = VDD3
25
20
5V
6V
4V
3V
50
2.45GHz, VDD1 = VDD2 = VDD3
40
30
5V
6V
4V
3V
15
20
10
10
5
-19
-14
-9
-4
1
POWER INPUT (dBm)
FIGURE 4. POWER OUTPUT
0
-19
-14
-9
-4
1
INPUT POWER (dBm)
FIGURE 5. POWER ADDED EFFICIENCY
0
6V
-1
5V
-2
4V
-3
3V
-4
-5
-6
-7 2.45GHz, VDD1 = VDD2 = VDD3
-19
-14
-9
-4
1
INPUT POWER (dBm)
FIGURE 6. GAIN COMPRESSION
Power Amplifier Temperature Performance NOTE: All data measured at TA = 25oC and VG1, VG2 and VG3 adjusted for first stage quies-
cent current of 20mA, second stage current of 53mA and third stage current of 90mA, respectively.
35
30
25oC
25
20
-20oC
70oC
15
10 VDD1 = VDD2 = VDD3 = +5V
2.0
2.2
2.4
2.6
2.8
3.0
FREQUENCY (GHz)
30
2.45GHz, VDD1 = VDD2 = VDD3 = +5V
25
-20oC
20
25oC
70oC
15
10
5
0
-19
-14
-9
-4
1
INPUT POWER (dBm)
FIGURE 7. LINEAR GAIN
FIGURE 8. POWER OUTPUT
2-183
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