18
RF Device Data
Freescale Semiconductor, Inc.
AFT05MS031NR1 AFT05MS031GNR1
TYPICAL CHARACTERISTICS — 380--450 MHz UHF BROADBAND
REFERENCE CIRCUIT
0
0
VGS, GATE--SOURCE VOLTAGE (VOLTS)
Figure 21. Output Power versus Gate--Source Voltage
50
1
2
345
40
10
30
20
P
out
, OUTPUT POWER (WATTS)
f = 420 MHz
VDD
= 13.6 Vdc, Pin
=0.5W
0
0
Detail A
4
Pin
=0.5W
0.4 0.8
1.2
1.6 2
3
2
1
5
f = 420 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,
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)
40
0
20
60
100
80
Figure 22. 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 40.1
1
30
50
40
10
20
22
20
18
60
70
80
420 MHz
Pout
VDD
= 13.6 Vdc, IDQ
= 100 mA
450 MHz
380 MHz
Gps
?D
420 MHz
450 MHz
380 MHz
420 MHz
450 MHz
380 MHz
?
D
, DRAIN EFFICIENCY (%)
P
out
, OUTPUT POWER (WATTS)
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