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Idiomas disponibles
User manual
1.- TECHNICAL SPECIFICATIONS
1.1.- COFDM-QAM
ref. 5056
Input loop through losses: < 1.2 dB
Input frequency:
COFDM
Mast amplifiers powering: Selectable 0V-12V-24V
Demodulator
Input SAW filter:
Frequency steps:
Locking margin:
Modulation format:
QAM
Symbol rate:
Modulator
Roll-off factor:
Output frequency:
RF
Output
Frequency steps:
Maximum output level:
Power consumption:
General
(
)
*
Selectionable by means of menu in frequency mode or internally in case of working in channel mode.
The technical specifications are defined with a maximum room temperature of 40º C.
174-230 MHz (BIII) /
474-858 MHz (UHF)
or channel table CCIR
(<60mA)
(
*
)
7 - 8 MHz
1 MHz
± 500 KHz
16QAM, 32QAM, 64QAM,
128QAM, 256QAM
7.2 Mbaud max.
15%
46 - 862 MHz
or channel table
250 KHz
80 dBµV ±5 dB
5V: 0,7 A
15V: 0,32 A
24
Input level:
Input VSWR (75 ohm):
FFT:
Constellation:
Guard interval:
Viterbi rate:
Transmission standard:
Block code:
Scrambling Interleaving:
Output spectrum:
Regulation margin:
VSWR output (75 ohm):
Through losses:
Spurious band level:
COFDM-QAM
-60 to –20 dBm
(8K, 64 QAM, FEC 2/3)
> 12 dB (46 - 862 MHz)
2K, 8K
QPSK, 16 QAM, 64 QAM
1/4, 1/8, 1/16, 1/32
1/2, 2/3, 3/4, 5/6, 7/8
ETS300744
RS(188, 204)
ETS300429
Normal/Inverted
(selectable)
15 dB min.
10 dB min. 14 dB typ.
< 1.5 dB (46-862 MHz)
55 dBc min. 60 typ.
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