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User Manual for Blonder Tongue MDDA-860 Micro ATSC QAM to ASI Digital Demodulator and Transcoder Click to enlarge the picture
Contents of the user manual for the Blonder Tongue MDDA-860 Micro ATSC QAM
- Product category: RF Equipment Blonder Tongue
- Brand: Blonder Tongue
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Blonder Tongue RF Equipment
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User manual for the Blonder Tongue MDDA-860 Micro ATSC QAM contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Blonder Tongue product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Blonder Tongue user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Blonder Tongue product will considerably shorten its lifespan!
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Product description 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
In the Box Blonder Tongue MDDA-860 Micro ATSC/QAM to ASI Digital Demodulator and Transcoder Limited 1-Year Warranty Table of Contents
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Technical parametersBlonder Tongue MDDA-860 Specs | | | 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 | | | | Connectors | ASI: 1 x F (equipped with F-to-BNC adapter) | | ASI | Standard: DVB-ASI; 50083-9
Data Bit Rate: 270 Mbps | | | | 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) | | | | 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 (W x D x H) | 1.15 x 7.5 x 3.5" (2.9 x 19.1 x 8.9 cm) | | Weight | 0.8 lb (360 g) |
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