Technical Specifications - Televes COFDM-PAL NICAM Manual De Instrucciones

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1.- TECHNICAL SPECIFICATIONS

1.1.- COFDM-PAL NICAM
Ref. 5554
Input through losses:
Input frequency:
Frequency steps:
COFDM
Locking margin:
demodulator
Input level:
SAW filter:
Input format:
MPEG-2
Decoding:
decoding
TS input rate:
Output frequency:
RF
Frequency steps:
output
Maximum output level:
Preamp. powering:
General
Consumption:
The technical specifications are defined with a maximum room temperature of 40º C.
< 1.2 dB
174-230 / 474-858 MHz
or channel table
1 MHz
± 500 KHz
49 to 89 dBµV (-60 to -20 dBm)
(8K, 64 QAM, FEC 2/3)
Select. 7 - 8 MHz
TS MPEG-2/DVB
MP@ML
Max. 60 Mbits/sec
46 - 862 MHz
or channel table
250 KHz
80 dBµV ±5 dB (selec. SW)
Select. 0 / 12 / 24V
(< 50 mA)
5V
: 750 mA typ.
15V
: 500 mA typ.
27
COFDM-PAL NICAM
VSWR input (75 ohm):
> 12 dB (46 - 862 MHz)
Signal/noise ratio:
> 20 dB
FFT:
2K, 8K
Constellation:
QPSK, 16 QAM, 64 QAM
Guard interval:
1/4, 1/8, 1/16, 1/32
Viterbi rate:
1/2, 2/3, 3/4, 5/6, 7/8
Max. rate symbol:
31.67 Msymbols/sec
Transmission standard:
ETS300744
Video rate:
1.5 to 15 Mbits/sec
Video resolution:
Max. 720x576
Video output
Composite video PAL
Regulation margin:
15 dB
VSWR output (75 ohm):
10 dB min. 14 dB typ.
Through losses:
< 1.5 dB (46-862 MHz)
Band spurious level:
55 dBc min. 60 typ.

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5554

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