mrf1570n Freescale Semiconductor, Inc, mrf1570n Datasheet - Page 8

• Manufacturer Part Number: mrf1570n
• Description: Rf Power Field Effect Transistors
• Manufacturer: Freescale Semiconductor, Inc

MRF1570NT1 MRF1570FNT1
8
17
15
13
11
90
80
70
60
50
100
9
7
5
90
80
70
60
50
40
400
0
Figure 17. Output Power versus Biasing Current
10
Figure 19. Output Power versus Supply Voltage
Figure 15. Gain versus Output Power
10
600
400 MHz
440 MHz
470 MHz
11
20
P
V
I
out
DQ
DD
, OUTPUT POWER (WATTS)
800
, BIASING CURRENT (mA)
, SUPPLY VOLTAGE (VOLTS)
30
12
1000
40
470 MHz
TYPICAL CHARACTERISTICS, 400 - 470 MHz
13
50
1200
V
DD
V
P
P
I
DQ
in
DD
in
60
440 MHz
= 12.5 Vdc
400 MHz
= 38 dBm
= 38 dBm
= 800 mA
= 12.5 Vdc
440 MHz
400 MHz
1400
14
470 MHz
70
1600
80
15
100
80
60
40
20
100
70
60
50
40
30
20
10
80
60
40
20
0
400
Figure 18. Drain Efficiency versus Biasing Current
0
0
0
10
Figure 20. Drain Efficiency versus Supply Voltage
Figure 16. Drain Efficiency versus Output Power
400 MHz
440 MHz
10
470 MHz
600
11
20
P
V
I
DQ
out
DD
800
, BIASING CURRENT (mA)
, OUTPUT POWER (WATTS)
, SUPPLY VOLTAGE (VOLTS)
30
400 MHz
12
1000
40
Freescale Semiconductor
13
50
470 MHz
1200
440 MHz
P
I
V
P
V
DQ
in
DD
in
60
DD
RF Device Data
400 MHz
= 38 dBm
= 38 dBm
= 800 mA
= 12.5 Vdc
= 12.5 Vdc
1400
14
440 MHz
470 MHz
70
1600
80
15