TYPICAL CHARACTERISTICS, 135 - 175 MHz
18
17
16
15
14
70
155 MHz
V
= 12.5 Vdc
DD
155 MHz
60
50
175 MHz
135 MHz
175 MHz
135 MHz
40
30
20
13
12
V
= 12.5 Vdc
DD
10
20
30
40
50
60
70
80
90
10
20
30
40
P , OUTPUT POWER (WATTS)
out
50
60
70
80
90
P
, OUTPUT POWER (WATTS)
out
Figure 5. Gain versus Output Power
Figure 6. Drain Efficiency versus Output Power
90
100
80
155 MHz
80
70
135 MHz
175 MHz
135 MHz
60
40
175 MHz
155 MHz
60
50
20
0
V
P
= 12.5 Vdc
= 36 dBm
V
P
= 12.5 Vdc
= 36 dBm
DD
DD
in
in
400
600
800
1000
1200
1400
1600
400
600
800
I , BIASING CURRENT (mA)
DQ
1000
1200
1400
1600
I
, BIASING CURRENT (mA)
DQ
Figure 7. Output Power versus Biasing Current
Figure 8. Drain Efficiency versus Biasing Current
100
80
100
80
155 MHz
135 MHz
175 MHz
135 MHz
175 MHz
155 MHz
60
60
40
40
20
0
20
0
P
I
= 36 dBm
= 800 mA
P
I
= 36 dBm
= 800 mA
in
in
DQ
DQ
10
11
12
13
14
15
10
11
12
V , SUPPLY VOLTAGE (VOLTS)
DD
13
14
15
V
, SUPPLY VOLTAGE (VOLTS)
DD
Figure 9. Output Power versus Supply Voltage
Figure 10. Drain Efficiency versus Supply Voltage
MRF1570NT1 MRF1570FNT1
RF Device Data
Freescale Semiconductor
5