TYPICAL CHARACTERISTICS — DVB- (8k OFDM)
-T
100
10
PROBABILITY (%)
1
(dB)
0.1
0.01
0.001
0.0001
--20
--30
--40
--50
--60
DVB--T (8k OFDM)
64 QAM Data Carrier Modulation
5 Symbols
--70
--80
--90
--100
--110
0
2
4
6
8
10
12
--5
--4
--3
--2
--1
0
1
2
3
4
5
PEAK--TO--AVERAGE (dB)
f, FREQUENCY (MHz)
ACPR Measured at 4 MHz Offset
from Center Frequency
4 kHz BW
4 kHz BW
7.61 MHz
DVB--T (8k OFDM)
64 QAM Data Carrier Modulation, 5 Symbols
Figure 13. Single-
-Carrier DVB- (8k OFDM)
-T
ACPR, ADJACENT CHANNEL POWER RATIO (dBc)
23
I
DQ
= 450 mA
22.5
G
ps
, POWER GAIN (dB)
22
21.5
21
20.5
1
10
P
out
, OUTPUT POWER (WATTS) AVG.
40
--54
Figure 14. DVB- (8k OFDM) Spectrum
-T
V
DD
= 50 Vdc, f = 860 MHz
--56 DVB--T (8k OFDM), 64 QAM Data
Carrier Modulation, 5 Symbols
--58
--60
--62
--64
--66
--68
1
350 mA
450 mA
10
P
out
, OUTPUT POWER (WATTS) AVG.
40
I
DQ
= 250 mA
300 mA
350 mA
300 mA
250 mA
V
DD
= 50 Vdc, f = 860 MHz
DVB--T (8k OFDM), 64 QAM Data
Carrier Modulation, 5 Symbols
Figure 15. Single-
-Carrier DVB- (8k OFDM) Power Gain
-T
versus Output Power (Narrowband Test Circuit)
50
V
DD
= 50 Vdc, I
DQ
= 350 mA
f = 860 MHz, DVB--T (8k OFDM)
64 QAM Data Carrier Modulation
5 Symbols
Figure 16. Single-
-Carrier DVB- (8k OFDM) ACPR
-T
versus Output Power (Narrowband Test Circuit)
--45
--50
25_C
85_C
--60
--55
ACPR, ADJACENT CHANNEL POWER RATIO (dBc)
G
ps
, POWER GAIN (dB)
--30_C
η
D
40
30
85_C
20
10
0
1
T
C
= --30_C
G
ps
η
D
, DRAIN
EFFICIENCY (%)
25_C
ACPR
--65
--70
10
40
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 17. Single-
-Carrier DVB- (8k OFDM) Drain
-T
Efficiency, Power Gain and ACPR versus Output Power
(Narrowband Test Circuit)
MRF6V3090NR1 MRF6V3090NR5 MRF6V3090NBR1 MRF6V3090NBR5
RF Device Data
Freescale Semiconductor, Inc.
7
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
