DTV -
Headend
| MLH-300
Manual
© 2020 Lemco. All rights reserved.
29
5. TECHNICAL SPECIFICATIONS
Input Specifications
HD Input
Type
2 x HD inputs
Video coding
MPEG-4 AVC / H.264
Profile
High profile 4.0
Input resolution
Up to 1920 x 1080 - 50/60 p & i
Output resolution
Up to 1920 x 1080 - 30p
HDCP support
Yes, v1.4
Audio
Audio HD
Standard
MPEG-1 Layer II
Audio Bit Rate
64, 96, 128, 192, 256, 320 Kbps
Format
MPEG2, AAC, AC3
H.264 encoder
Standard
MPEG-4 AVC / H.264
Bit Rate
1 – 19 Mbps adjustable
Configurable Parameters
Service Name, Service ID
LCN processing
Yes
Output Specifications
DVB-T
Bandwidth
5, 6, 7, 8 MHz
Mode
2K, 8K
Constellation
QPSK, 16QAM, 64QAM
Guard Interval
1/4, 1/8, 1/16, 1/32
Code Rate
1/2, 2/3, 3/4, 5/6, 7/8
DVB-C
Bandwidth
5, 6, 7, 8 MHz
Mode
2K, 8K
Constellation
16QAM, 32QAM, 64QAM, 128QAM, 256QAM
Symbol Rate
1-7.2 Ms/s
RF Output
Type
2 x RF out in adjacent channels
Output Frequencies
110…950MHz (1 Hz step)
Output Level
90dBµV
Connector
75Ω - F, female
Output Attenuator
0…-20dB
MER >42dB
Output loop-through loss
<1dB
Bandwidth
5, 6, 7, 8 MHz
Bandwidth
5, 6, 7, 8 MHz
Bandwidth
5, 6, 7, 8 MHz
Bandwidth
5, 6, 7, 8 MHz
Mode
2K, 8K
Mode
2K, 8K
Type
2 x HD inputs
Video coding
MPEG-4 AVC / H.264
Profile
High profile 4.0
Input resolution
Up to 1920 x 1080 - 50/60 p & i
Output resolution
Up to 1920 x 1080 - 30p
HDCP support
Yes, v1.4
Audio HD
Standard
MPEG-1 Layer II
Audio Bit Rate
64, 96, 128, 192, 256, 320 Kbps
Format
MPEG2, AAC, AC3
Standard
MPEG-4 AVC / H.264
Bit Rate
1 – 19 Mbps adjustable
Configurable Parameters
Service Name, Service ID
LCN processing
Yes
Bandwidth
5, 6, 7, 8 MHz
Mode
2K, 8K
Constellation
QPSK, 16QAM, 64QAM
Guard Interval
1/4, 1/8, 1/16, 1/32
Code Rate
1/2, 2/3, 3/4, 5/6, 7/8
Bandwidth
5, 6, 7, 8 MHz
Mode
2K, 8K
Bandwidth
5, 6, 7, 8 MHz
Mode
2K, 8K
Bandwidth
5, 6, 7, 8 MHz
Constellation
16QAM, 32QAM, 64QAM, 128QAM, 256QAM
Symbol Rate
1-7.2 Ms/s
Type
2 x RF out in adjacent channels
Output Frequencies
110…950MHz (1 Hz step)
Output Level
90dBµV
Connector
75Ω - F, female
Output Attenuator
0…-20dB
MER >42dB
Output loop-through loss
<1dB