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DB Encoder multiplexer MPEG2 MDE DQMseries[ .pdf


Nom original: DB- Encoder multiplexer MPEG2-MDE-DQMseries[.pdf
Titre: MDE-DQMseries:Layout 1
Auteur: Tatiana

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TECHNICAL CHARACTERISTICS

TRANSPORT STREAM
OUTPUT

Transport Stream output (available for MDE encoders, optional for DQM modulators)
Transport Stream output Bit Rate

IF OUTPUT
(DQM SERIES ONLY)

Modulation
IF Output Frequency
Output level
Output Impedance and Connector
Input Bit-Rate
Symbol Rate
Code Rate
Bandwidth
Input Transport Stream interface (optional)

POWER SUPPLY

Operating voltage

WEIGHT & SIZE

Weight
Size

OPTIONS

DVB-ASI output for DQM modulators
DVB-ASI input for DQM modulators
Digital SDI video input for MDE and DQM Series (Audio Embedded)
Digital AES/EBU stereo audio input for MDE and DQM Series
Portable TV display 3” for complete control and monitoring of MDE and DQM Series
24 Vdc battery power supply

DVB ASI standard
Max 60 Mbps
QPSK (ETS 300 421 DVB-S)
70 MHz (L-Band on request)
+ 5 to -15 dBm adjustable
50/75 ohm with BNC socket
Up to 48 Mbit/s
Up to 30 MS/s
1/2, 2/3, 3/4, 5/6, 7/8 selectable
Selectable depending on symbol rate (up to 30 MHz)
DVB ASI standard

Passion
for

FM & TV

Broadcasting

115 / 230 Vac ± 15%, 47 to 62 Hz or +24 Vdc (option)
4.5 kg
Standard 19” width, 1U (45 mm) height, 480 mm depth
ASI/DQM/OUT
ASI/DQM/IN
SDI/MD
AES/MD
TV-PALM
/VDC
Features and specifications subject to change without notice.

Professional MPEG-2
Encoders, Built-in
Multiplexer and QPSK
Modulators
DB Elettronica Telecomunicazioni SpA - Riviera Maestri del Lavoro 20/1 - 35127 Padova - Italy
ph +39 049 8700588 fax +39 049 8700747 - www.dbbroadcast.com - sales@dbbroadcast.com

MDE Series/DQM Series

Professional MPEG-2 Encoders, Built-in
Multiplexer and QPSK Modulators
MDE Series/DQM Series
• Generals. The MDE Series professional video/audio real-time MPEG-2 encoders and DQM Series professional
QPSK modulators with built-in video/audio real-time MPEG-2 encoders are able to perform MPEG-2 4:2:0
MP@ML compression in accordance with DVB or ATSC Digital Television Standards for up to 4 video programs
and up to 8 audio programs.

INTERNAL VIEW

• Flexible architecture. The MDE Series and DQM Series equipment are designed to be easily hardware
configurable to meet the most demanding requirement for Digital Television Broadcasting Networks.

MDE & DQM SERIES REAR VIEW

They can be equipped with up to 4 internal plug-in encoders, with a high performances built-in multiplexer and
1

with the possibility to have various input standard interfaces: composite video, SDI digital video (optional), S-

3

4

6

7

10

7

11

8

10

7

11

8

10

7

11

8

10

VHS, analog balanced audio, AES/EBU digital audio (optional), SP-DIF digital audio (optional). Output transport
stream interface (optional for DQM Series) is DVB ASI standard (LVDS available as option).
• High capacity. The MDE Series and DQM Series equipment can be configured to perform the MPEG-2
compression and the correspondent multiplexing of up to 4 video and 8 audio programs. For more video and
audio programs it is possible to multiplex more MDE Series encoders with an external ASI multiplexer.

2

• Field upgradeable. The MDE Series and DQM Series equipment can be easily field upgraded to add additional

5
1)
2)
3)
4)

video and audio programs, to add or modify input video and audio interfaces (SDI, AES-EBU, SP-DIF), to add or
modify output interfaces (ASI, LVDS) or to add the QPSK modulation board (available as option for MDE Series
encoders) with easy plug-in option’s installation. The general control software system will automatically

8

9

Auxiliary Data IN
Remote Control
ASI Standard Input (DQM only)
ASI Standard Output

5)
6)
7)
8)

9

DVB-SPI Parallel Output
QPSK IF Output (DQM only)
SDI Digital Video Input
S-VHS Video Input (Y-C)

9

9

11

9) Composite Video Input
10) Digital Audio Input
11) Analog Audio Input

TECHNICAL CHARACTERISTICS

reconfigure the unit after any option addition.
• Multistandard. The MDE Series and DQM Series equipment support all video standards (PAL, NTSC, SECAM).
• Fully local/remote configuration. The MDE Series and DQM Series equipment are fully configurable using

INPUTS

the front panel LCD display menus or remotely with a specific PC software (enclosed). All important parameters
like encoders audio and video bit rates, encoder code rates, video resolution, audio sampling frequency, output
modulation symbol rate and many others are instantly programmable to match any digital network needings.
• Compact design. The MDE Series and DQM Series are realized into a very compact 19” standard rack, 1 U high.

Capacity:
Video
Audio
Video Input Format:
Analog
Digital (optional)
Composite Video Input Level
Composite Video Input Impedance
Composite Video Input Connector
S-VHS Video Input Connector
SDI Video Input Connector
Audio Input Format:
Analog Audio Input
Analog Audio Input Level
Analog Audio Input Impedance
Analog Audio Input Connector
Digital Audio Input (optional)
Digital Audio Input Connector
Additional Data Channel:
Interface
Bit Rate

ENCODING
(FOR EACH VIDEO
CHANNEL)

Video
Standard
Bit Rate
Supported resolutions
Audio
Sampling frequency
Encoding Standard
Bit Rate

Up to 4 channels (more with ext. mux)
2 Mono channels x video channel (more with ext. mux)
Composite PAL/NTSC/SECAM Standard, S-VHS Standard (Y-C)
SDI Standard
1 Vpp
75 Ω
BNC
Mini-DIN 4 pole
BNC

Mono or Stereo balanced (L & R)
0 dBu adj.
600 Ω
DB9 female
AES/EBU or SP-DIF
DB9 female

RS 232 standard
Max. 56 kbit/s

MPEG-2 4:2:0 MP@ML
Up to 15Mbit/s (for video channel)
Full D1, 3/4 D1, 2/3 D1, 1/2 D1, SIF
32KHz, 44.1KHz, 48KHz
MPEG layer II
up to 384 kbit/s


DB- Encoder multiplexer MPEG2-MDE-DQMseries[.pdf - page 1/2
DB- Encoder multiplexer MPEG2-MDE-DQMseries[.pdf - page 2/2

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