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參數資料
| 型號： | HFA3925IA |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 衰減器 |
| 英文描述： | null2.4GHz - 2.5GHz 250mW Power Amplifier |
| 中文描述： | 2400 MHz - 2500 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 文件頁數： | 5/9頁 |
| 文件大?。?/td> | 95K |
| 代理商： | HFA3925IA |
2-183
Power Amplifier CW Performance at Various Supply Voltages
NOTE: All data measured at T
A
= 25
o
C and V
G1
, V
G2
and V
G3
adjusted for first stage quiescent current of 20mA, second stage current of 53mA and third stage current of 90mA, respectively.
FIGURE 4. POWER OUTPUT
FIGURE 5. POWER ADDED EFFICIENCY
FIGURE 6. GAIN COMPRESSION
Power Amplifier Temperature Performance
NOTE: All data measured at T
A
= 25
o
C and V
G1
, V
G2
and V
G3
adjusted for first stage quies-
cent current of 20mA, second stage current of 53mA and third stage current of 90mA, respectively.
FIGURE 7. LINEAR GAIN
FIGURE 8. POWER OUTPUT
Typical Performance Curves
(Continued)
6V
-19
-14
-9
-4
1
30
20
15
10
5
POWER INPUT (dBm)
P
25
2.45GHz, V
DD1
= V
DD2
= V
DD3
5V
3V
4V
6V
-19
-14
-9
-4
1
50
30
20
10
0
INPUT POWER (dBm)
E
40
5V
3V
4V
2.45GHz, V
DD1
= V
DD2
= V
DD3
6V
0
-2
-3
-4
-7
INPUT POWER (dBm)
C
-1
5V
3V
4V
2.45GHz, V
DD1
= V
DD2
= V
DD3
-14
-5
-6
-19
-9
-4
1
2.0
2.2
2.4
2.6
2.8
3.0
35
25
20
15
10
FREQUENCY (GHz)
G
30
25
o
C
70
o
C
V
DD1
= V
DD2
= V
DD3
= +5V
-20
o
C
-19
-14
-9
-4
1
30
20
15
10
0
INPUT POWER (dBm)
P
25
2.45GHz, V
DD1
= V
DD2
= V
DD3
= +5V
5
70
o
C
-20
o
C
25
o
C
HFA3925
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