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
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