24
RF Device Data
Freescale Semiconductor, Inc.
AFT05MS031NR1 AFT05MS031GNR1
TYPICAL CHARACTERISTICS — 450--520 MHz UHF BROADBAND
REFERENCE CIRCUIT
0
0
VGS, GATE--SOURCE VOLTAGE (VOLTS)
Figure 28. Output Power versus Gate--Source Voltage
50
1
2
3456
40
10
30
20
P
out
, OUTPUT POWER (WATTS)
f = 490 MHz
VDD
= 13.6 Vdc, Pin
=0.5W
0
0
Detail A
20
0.5 1
1.5
22.533.5
15
10
5
25
f = 490 MHz
VDD
= 13.6 Vdc, Pin
=0.25W
VDD
= 12.5 Vdc, Pin
=0.5W
VDD
= 12.5 Vdc,
Pin
=0.25W
Detail A
VDD
= 13.6 Vdc,
Pin
=0.5W
VDD
= 13.6 Vdc, Pin
=0.25W
VDD
= 12.5 Vdc,
Pin
=0.5W
VDD
= 12.5 Vdc,
Pin
=0.25W
P
out
, OUTPUT POWER (WATTS)
VGS, GATE--SOURCE VOLTAGE (VOLTS)
60
Figure 29. Power Gain, Output Power and Drain
Efficiency versus Input Power and Frequency
Pin, INPUT POWER (WATTS)
G
ps
, POWER GAIN (dB)
12
16
14
0.01 30.1
1
490 MHz
40
0
20
20
18
450 MHz
60
80
490 MHz
Pout
VDD
= 13.6 Vdc, IDQ
= 100 mA
Gps
?D
450 MHz
490 MHz
450 MHz
P
out
, OUTPUT POWER (WATTS)
?
D
, DRAIN EFFICIENCY (%)
520 MHz
520 MHz
520 MHz
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