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Blonder Tongue MDDA-860 Micro ATSC/QAM to ASI Digital Demodulator and Transcoder

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AED2,899.00

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Blonder Tongue MDDA Overview

The MDDA-860 Micro ATSC/QAM to ASI Digital Demodulator and Transcoder by Blonder Tongue receives one input signal in ATSC 8VSB (digital off-air) or QAM (digital cable) format and delivers one output in ASI format. The unit features a front panel custom mini USB to RS232 interface connector for program control. The front panel provides up and down control channel selection and a two digit display to identify the program channel as well as a 1 digit RF channel display to indicate the frequency/channel plan.

  • Input standards supported are digital off-air (8VSB) and digital cable (ITU-B QAM 64 and 256)
  • Die-cast chassis offers protection against ingress or egress
  • Demodulates & transcodes HDTV/SDTV digital signals to ASI
  • Compact design allows for deployment of 12 units in 2RU
  • On-site firmware updates available through front-panel
SKU: MDDA-860 Category: Tag:
Input
Connector
“F” female
Standards
8VSB: ATSC Digital Television Standard, A/53E
QAM: ITU-T J.83 (64 and 256 QAM)
8VSB Mode
Tuning Range: UHF (NTSC channels 14-78), VHF (NTSC channels 2-13)
Symbol Rate: 10.762 Msymbols/sec
Bandwidth: 6 MHz
QAM Mode
Tuning Range: CATV (NTSC channels 2-135)
Symbol Rate: 5.3606 Msymbols/sec (QAM 256), 5.057 Msymbols/sec (QAM 64) – auto detect
Bandwidth: 6 MHz
Single Channel Power Level
-32 to +45 dBmV
8VSB Power Level
-20 to +30 dBmV
QAM Power Level
-20 to +20 dBmV
Return Loss
12 dB
Impedance
75 Ω
Output
Connectors
ASI: 1 x F (equipped with F-to-BNC adapter)
ASI
Standard: DVB-ASI; 50083-9
Data Bit Rate: 270 Mbps
Alarms/Monitoring/Control
Front Panel Indicators
RF channel (2 digit LED display)
Frequency/channel plan (1 digit LED display)
+100 channel (red LED) SNR (2 & 1 digit LED displays)
Lock LED (solid LED)
No lock (flashing LED)
RF mode (2 & 1 digit LED displays)
Baud rate (2 & 1 digit LED displays)
Firmware revision (2 digit LED display)
Software revision (2 & 1 digit LED displays)
Unit reset (2 & 1 digit LED displays)
Front Panel Control
CH UP/DN push-buttons (increment major or minor channel up/down)
ENT push-button (enters or confirms selection)
RF Mode push-button (adjusts RF frequency plans)
Baud Rate push-button (adjusts baud rates)
SNR push-button (measures input signal-to-noise ratio)
QAM/8VSB push & hold button (toggles between QAM & 8VSB)
RF mode & baud rate simultaneously (unit reset)
PROG (custom mini USB-to-RS232 interface for control)
General
Power
110 VAC/60 Hz or 220 VAC/50 Hz
Power Dissipation
7 W (per MDDA module)
Operating Temperature
32 to 122°F (0 to 50°C)
Storage Temperature
-13 to 158°F (-25 to 70°C)
Operating Humidity
0 to 95% RH @ 35°C max, non-condensing
Storage Humidity
0 to 95% RH @ 35°C max, non-condensing
Dimensions
1.15 x 7.5 x 3.5″ (2.9 x 19.1 x 8.9 cm)
Weight
0.8 lb (360 g)
Packaging Info
Package Weight
0.9 lb
Box Dimensions (LxWxH)
9.3 x 8.2 x 2.9″

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