MRF377 Ver la hoja de datos (PDF) - Motorola => Freescale
Número de pieza
componentes Descripción
Fabricante
MRF377 Datasheet PDF : 12 Pages
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TYPICAL DVBT OFDM BROADBAND CHARACTERISTICS
19
18
17 Gps
16
15
η
14
VDD = 32 Vdc, Pout = 45 W (Avg.), IDQ = 2000 mA
13
8K Mode DVBT OFDM
64 QAM Data Carrier Modulation
12
5 Symbols
11
10 ACPR
9
420 480 540 600 660 720 780 840
f, FREQUENCY (MHz)
Figure 9. Single–Channel DVBT OFDM
Broadband Performance
40
35
30
25
20
-40
-45
-50
-55
-60
-65
900
19
18.5
18
560 MHz
660 MHz
17.5
860 MHz
17
470 MHz
VDD = 32 Vdc, IDQ = 2000 mA
8K Mode OFDM
64 QAM Data Carrier Modulation
5 Symbols
760 MHz
16.5
16
2
4 6 8 10
30
50
Pout, OUTPUT POWER (WATTS) AVG.
Figure 10. Single–Channel DVBT OFDM Broadband
Performance Power Gain versus Output Power
30
VDD = 32 Vdc
25
IDQ = 2000 mA
8K Mode OFDM
64 QAM Data Carrier Modulation
20 5 Symbols
15
10
560 MHz
470 MHz
660 MHz
860 MHz
760 MHz
5
0
10
100
Pout, OUTPUT POWER (WATTS) AVG.
Figure 11. Single–Channel DVBT OFDM
Broadband Performance Drain Efficiency versus
Output Power
-56
-58
470 MHz
-60 660 MHz
860 MHz
-62
VDD = 32 Vdc
-64 IDQ = 2000 mA
8K Mode DVBT OFDM
-66
64 QAM
Data Carrier Modulation
5 Symbols
-68
10
760 MHz
560 MHz
-20
7.61 MHz
-30
-40
-50
-60
-70
-80
-90
4 kHz BW
-100
4 kHz BW
-110
100
-5 -4 -3 -2 -1 0 1 2 3 4 5
Pout, OUTPUT POWER (WATTS) AVG.
f, FREQUENCY (MHz)
Figure 12. Single–Channel DVBT OFDM Broadband Performance
Adjacent Channel Power Ratio versus Output Power
Figure 13. 8K Mode DVBT OFDM Spectrum
MOTOROLA RF DEVICE DATA
MRF377 MRF377R3 MRF377R5
9
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