MRF6VP3450HR6 MRF6VP3450HR5 MRF6VP3450HSR6 MRF6VP3450HSR5
11
RF Device Data
Freescale Semiconductor
TYPICAL CHARACTERISTICS ? 470--860 MHz
G
ps
, POWER GAIN (dB)
IRL, INPUT RETURN LOSS (dB)
-- 8
-- 2
-- 6
IRL
Gps
f, FREQUENCY (MHz)
Figure 22. Single--Carrier DVB--T OFDM Power Gain, Drain Efficiency
and IRL versus Frequency ? 470--860 MHz
24
22
20
36
34
32
30
22
η
D
, DRAIN EFFICIENCY (%)
ηD
19
18
16
64 QAM Data Carrier Modulation, 5 Symbols
23
21
20
0
-- 4
V17
DD
=50Vdc,IDQ
= 1400 mA
Pout
= 90 W Avg., 8K Mode OFDM
470 500 530 560 590 620 650 680 710 740 770 800 830
860
28
26
24
TYPICAL CHARACTERISTICS
250
109
90
TJ, JUNCTION TEMPERATURE (°C)
Figure 23. MTTF versus Junction Temperature
This above graph displays calculated MTTF in hours when the device
is operated at VDD
=50Vdc,Pout
= 90 W Avg., and
ηD
= 28%.
MTTF calculator available at http://www.freescale.com/rf. Select
Software & Tools/Development Tools/Calculators to access MTTF
calculators by product.
107
106
104
110 130 150 170 190
MTTF (HOURS)
210 230
108
105
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