TYPICAL CHARACTERISTICS
10
8
MTTF (HOURS)
10
7
10
6
10
5
90
110
130
150
170
190
210
230
250
T
J
, JUNCTION TEMPERATURE (°C)
This above graph displays calculated MTTF in hours when the device
is operated at V
DD
= 28 Vdc, P
out
= 35 W Avg., and
η
D
= 22.6%.
MTTF calculator available at http://www.freescale.com/rf. Select
Software & Tools/Development Tools/Calculators to access MTTF
calculators by product.
Figure 12. MTTF versus Junction Temperature
N - CDMA TEST SIGNAL
100
10
PROBABILITY (%)
1
0.1
0.01
0.001
0.0001
0
IS−95 CDMA (Pilot, Sync, Paging, Traffic Codes 8
Through 13) 1.2288 MHz Channel Bandwidth
Carriers. ACPR Measured in 30 kHz Bandwidth @
±885
kHz Offset. ALT1 Measured in 12.5 kHz
Bandwidth @
±1.25
MHz
Offset. PAR = 9.8 dB @
0.01% Probability on CCDF.
2
4
6
8
10
−10
−20
−30
−40
−50
(dB)
−60
−70
−80
−90
−100
1.2288 MHz
Channel BW
.. ..
............... .......
. .... . .
............. ........ ......
.
.
.
.
.
.
.
.
.
+ALT1 in 12.5 kHz
.
−ALT1 in 12.5 kHz
.
.
.
.
Integrated BW
.
.
Integrated BW
.
.
.
.
.
.
.
.
.
.
.
.. .
...
....
.............
....
.............
.....
. .
. ... ..
.... ..
.
.........
...
........
.... ..
.....
...
.
..
........
......
...
..
..
..
....
.....
......
..
.
....
....
....
...
.
....
. ......
. ..
.......
......... .
....
.....
..
..
......
.. .
.. ..
........
−ACPR in 30 kHz
....
+ACPR in 30 kHz
...........
........
......
..... ..
.............
....
...............
Integrated BW
Integrated BW
......
.
...........
.. ..
.............
..... .
.
....
........
PEAK−TO−AVERAGE (dB)
Figure 13. Single - Carrier CCDF N - CDMA
−110
−3.6 −2.9 −2.2
−1.5 −0.7
0
0.7
1.5
2.2
2.9
3.6
f, FREQUENCY (MHz)
Figure 14. Single - Carrier N - CDMA Spectrum
MRF6P27160HR6
RF Device Data
Freescale Semiconductor
7
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
