HFA3926 データシートの表示（PDF） - Intersil
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HFA3926 Datasheet PDF : 7 Pages
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HFA3926
Typical Performance Curves (Continued)
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
2.45GHz, VDD1 = VDD2 = VDD3 = +5V
30
25oC
25
20
-20oC
70oC
25
-20oC
20
25oC
70oC
15
10
15
10 VDD1 = VDD2 = VDD3 = +5V
2.0
2.2
2.4
2.6
2.8
3.0
FREQUENCY (GHz)
FIGURE 7. LINEAR GAIN
5
0
-19
-14
-9
-4
1
INPUT POWER (dBm)
FIGURE 8. POWER OUTPUT
0
-1
-20oC
70oC
-2
25oC
-3
-4
2.45GHz, VDD1 = VDD2 = VDD3 = +5V
-5
-20
-15
-10
-5
0
5
INPUT POWER (dBm)
FIGURE 9. GAIN COMPRESSION
Power Amplifier Spurious Response 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.
50
70
2.45GHz, TONE SPACING 600kHz
2.45GHz, VDD1 = VDD2 = VDD3
65
40
3V
60
5V
6V
55
30
5V
6V
50
4V
20
45
3V
4V
40
10
9
13
17
21
25
FUNDAMENTAL POUT OF TONES (dBm)
FIGURE 10. THIRD ORDER INTERMODULATION RATIO
35
15
17
19
21
23
25
FUNDAMENTAL POUT (dBm)
FIGURE 11. SECOND HARMONIC RATIO
2-233
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