Wireless Signal Processing : Demodulators & Modulators : Blonder Tongue Laboratories, Inc. - MDDM-860

HE-12 and HE-4 Series ATSC/QAM Demodulator

Series: HE-12 & HE-4

Model: MDDM-860

Compact design allows for deployment of 6 channels (6 MDDM modules + 6 MICM modulators) in 2RU
NTSC Composite Analog Video output is in 480i format and supports Closed Captioning (EIA-608)
Input standards supported are digital off-air (8VSB) and digital cable (ITU-B QAM 64 and 256)
Scans all 8VSB or QAM channels and stores in memory for quick channel selection
Demodulates HDTV/SDTV digital signals to NTSC video and analog L/R audio

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HE-12 and HE-4 series ATSC/QAM demodulator. Demodulates digital signals for analog distribution. Receives one input in ATSC 8VSB (digital off-air) or clear QAM (digital cable) format and delivers one NTSC composite analog video and stereo audio output. The unit allows delivering of a digital off-air program to viewers with an analog TV set. It also allows operators to cherry-pick channels from a clear QAM cable lineup. Headends processing analog broadcasts using Blonder Tongue’s MIDM demodulators and MICM modulators can be upgraded seamlessly to process digital broadcasts by simply replacing the MIDM with a MDDM.

Compact design allows for deployment of 6 channels (6 MDDM modules + 6 MICM modulators) in 2RU
NTSC Composite Analog Video output is in 480i format and supports Closed Captioning (EIA-608)
Input standards supported are digital off-air (8VSB) and digital cable (ITU-B QAM 64 and 256)
Scans all 8VSB or QAM channels and stores in memory for quick channel selection
Demodulates HDTV/SDTV digital signals to NTSC video and analog L/R audio
On-site firmware updates/status monitoring available through front-panel
Die-cast Chassis Offers Superior Protection against Ingress or Egress
Adjustable picture sizes for 16:9 to 4:3 image conversion
Supports Mono, Stereo, and SAP audio modes

Spec Sheet available - Yes

AC Voltage: 220 Volts
Depth: 7.50 in
Height: 3.50 in
Width: 1.15 in
Product Weight: 0.80 lbs
Input Connector: F Female
Symbol rate: 10.762 Msymbols/sec
Return Loss: 12 dB
Input Impedance: 75 ohms
Storage Temperature: -13 to 158 °F (-25 to 70°C)
Operating Temperature: 32 to 122 °F (0 to 50°C)
Bandwidth: 6 MHz
Power: 7 W

MDDA-860 - Compact Design Micro Digital Demodulator and Transcoder

Demodulator 468 kb - Data Sheet

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