8
RF Device Data
Freescale Semiconductor
MRF7S16150HR3 MRF7S16150HSR3
TYPICAL CHARACTERISTICS
250
108
90
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. MTTF versus Junction Temperature
This above graph displays calculated MTTF in hours when the device
is operated at VDD
= 28 Vdc, P
out
= 32 W Avg., and
ηD
= 25.4%.
MTTF calculator available at http://www.freescale.com/rf. Select
Software & Tools/Development Tools/Calculators to access MTTF
calculators by product.
107
106
105
110 130 150 170 190
MTTF (HOURS)
210 230
WIMAX TEST SIGNAL
246810
0.0001
100
0
PEAK?TO?AVERAGE (dB)
Figure 13. OFDM 802.16d Test Signal
10
1
0.1
0.01
0.001
PROBABILITY (%)
Input Signal
802.16d, 64 QAM 3/4, 4 Bursts, 7 MHz
Channel Bandwidth, Input Signal
PAR = 9.5 dB @ 0.01% Probability
on CCDF
?60
?10
(dB)
?20
?30
?40
?50
?70
?80
?90
10 MHz
Channel BW
51510
20
0
?5
?10
?20
f, FREQUENCY (MHz)
Figure 14. WiMAX Spectrum Mask Specifications
?15
ACPR in 1 MHz
Integrated BW
ACPR in 1 MHz
Integrated BW