SKU: 62168007802

Blonder Tongue MDDM-860 Micro ATSC/QAM to NTSC Audio Video Demodulator and Decoder

Sale price$43211.25 Regular price$48012.50
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Description

Blonder Tongue MDDM-860 Micro ATSC/QAM to NTSC Audio Video Demodulator and DecoderThe MDDM 860 Micro ATSC QAM to NTSC Audio Video Demodulator and Decoder by Blonder Tongue receives one input signal in ATSC 8VSB (digital off air) or QAM (digital cable) format and delivers one NTSC composite analog video and stereo audio output. The unit allows you to view a digital off air program on an analog TV set. Headends processing analog broadcasts using Blonder Tongue's MIDM demodulators and MICM modulators can be upgraded to process digital

The MDDM-860 Micro ATSC/QAM to NTSC Audio Video Demodulator and Decoder by Blonder Tongue receives one input signal in ATSC 8VSB (digital off-air) or QAM (digital cable) format and delivers one NTSC composite analog video and stereo audio output. The unit allows you to view a digital off-air program on an analog TV set. Headends processing analog broadcasts using Blonder Tongue's MIDM demodulators and MICM modulators can be upgraded to process digital broadcasts by replacing the MIDM with a MDDM.

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.

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 protection against ingress or egress
Adjustable picture sizes for 16:9 to 4:3 image conversion
Supports mono, stereo, and SAP audio modes
In the Box
Blonder Tongue MDDM-860 Micro ATSC/QAM to NTSC Audio Video Demodulator and Decoder
  • Limited 1-Year Warranty
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 ?
Output
Connector Video: "F" female
Audio: RCA; left & right
NTSC Composite Video Level: 1 V peak-to-peak
Flatness: 1.0 dB p/v (30 Hz - 4.2 MHz)
Video to Noise Ratio: 70 dB
Differential Gain: �0.75%
Differential Phase: �0.50 degree
Format: 480i
Aspect Ratio: AFD, center cut, letterbox, full, zoom 1, zoom 2
Closed Captioning: EIA-608
Analog Audio Level: 1.0 - 1.2 V peak-to-peak (at -20 dBFs input), 10.0 - 10.5 V peak-to-peak (at 0 dBFs input)
Frequency Response: 2.0 dB p/v (30 Hz - 20 kHz)
Audio Signal-to-Noise Ratio: 67 dB (at -20 dBFs input)
Modes Stereo, mono, SAP
Alarms/Monitoring/Control
Front Panel Indicators Major program channel (2 digit LED display)
Minor program channel (1 digit LED display)
Channel scan (2 & 1 digit LED displays)
+100 Channel (red LED)
SNR (2- & 1-digit LED displays)
QAM LED (red LED)
No Lock (flashing QAM LED)
Picture size (2 & 1 digit LED displays)
Audio mode (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)
SCAN push & hold-button (initiates channel scan)
PIC SIZE push-button (adjusts picture size/aspect ratio)
AUD MODE push-button (adjusts audio mode and closed captioning)
SNR push-button (measures input signal-to-noise ratio)
QAM/8VSB push & hold-button (toggles between QAM & 8VSB)
ENT & SNR simultaneously (stops scan at anytime)
PIC SIZE & AUD MODE simultaneously (unit reset)
PROG MON (custom mini USB-to-RS232 interface for control & monitoring)
General
Power 110 VAC, 60 Hz or 220 VAC, 50 Hz
Power Dissipation 7 W (per MDDM 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-condensation
Storage Humidity 0 to 95% RH @ 35�C max, non-condensation
Dimensions (W x D x H) 1.15 x 7.50 x 3.50" (2.92 x 19.05 x 8.89 cm)
Weight 0.8 lb (0.36 kg)
Packaging Info
Package Weight 0.9 lb
Box Dimensions (LxWxH) 10.472 x 4.252 x 1.339"
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62168007802

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★★★★★ 4
MOM-1, PANTS-1...well, I guess we both win
Size: 32, Color: Black
Purchased for my 17 yr old son, about 6'2, 180, medium built. PROS -Black pair is a nice happy medium between faded black and pitch dark. -Roomy around the waist, but not enough for children to sag (no, no, no,) -excellent price for quality of product CONS -might be too comfortable for wearer, resulting in an request for an abnormal amount of additional pairs -consistent compliments for wearer could cause inflated ego or confidence OVERALL I didn't hear any complaints from my son or "can you return this" which is a WIN for me, bc he's usually very picky. it's a whole thing with the length and the thickness, color, all of it. I thought these pants looked really nice, the color was casual enough for friends, and dressy enough for church. I was pleasantly surprised. Not a big fan of belts, but he is not comfortable with sagging (thank goodness), and the fit around the waist provided enough support to stay where they needed to. Pants also did not scrunch up at the bottom, and did not fit like capris. Product title described product to a T (or pants): slim fit stretch comfort casual classic solid- it was all of those in one!
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Reviewed in the United States on December 2, 2025
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Timothy Ivery
Dallas, US
★★★★★ 5
Fits great
Size: 36, Color: Brown
Fit great 👍
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Reviewed in the United States on May 24, 2026
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Pawtucket, US
★★★★★ 3
Super long length but quality fabric
Size: 28, Color: Army Green
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Kyle Rackley
Charlottesville, US
★★★★★ 5
Buying more pairs.
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