Component Video over Coax Modulator

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Description Features Drawings Specification Support

H-YPbPr-QAM  HD Composite or VGA Video to QAM Agile Modulator

The H-YPbPr-QAM is a QAM agile modulator used for the insertion of a standard HD Composite or VGA signal onto a QAM channel for distribution of video over coax.  The modulator can be programed for any digital cable channel (2-135) and can be easily viewed by any digital cable ready HDTV or tuner.  The H-YPbPr-QAM unit offers adjustable amplification of up to 29 dBmV for distribution over an on site broadband cable system.  Featuring MPEG-2 true HD encoding at resolutions up to 1080i, the H-YPbPr-QAM modulator is perfect for digital signal distribution at sports and entertainment facilities, retail and corporate offices, colleges, schools, and worship centers.  The H-YPbPr-QAM modulator is ideal for any HDTV broadband signal distribution system.


 •  Inputs analog HD (1080i/720p/480p.480i) Component, S-Video and Composite video
 •  Switches between SDI, Component, and video inputs with audio follow
 •  Responds to GPI inputs to switch to EAS composite video and audio
 •  Employs pro-grade HD encoding by NTT that minimizes artifacts for motion video and signage tickers
 •  Creates a high-definition 720p/1080i MPEG-2 stream for broadcast
 •  Delivers a fully agile QAM 64/256 digital cable channel 2-135
 •  Amplifies for distribution over an on-site broadband cable system with adjustable output level to 29 dBmV,
 •  Compatible with all cable format broadband systems
 •  Sets up with front-panel buttons and easy to use menus, including inputs, encoding, channel, and RF options
 •  New! Create single-part virtual channels, such as 116, 645 to match Guide channels
 •  Powers up in less than 4 seconds, no OS overhead
 •  Integrates with RS-232 control and feedback with simple ASCII commands
 •  Saves power and rack space using efficient design, fan-free cooling, and compact enclosure
 •  Includes compact switching power supply
 •  Mounts in optional 1RU single  19 rack kits

HD Video Input:  
  • RGB IN
RGBHV DB-15 female (1080i/720p/480p/480i), 59.94/29.97 Hz
  • Component
RCA Y, Pb, Pr (1080i/720p/480p/480i) , 59.94/29.97 Hz
  • S-Video
Y(Composite), C (Blue Pb) 480i, 29.97 Hz
  • Composite Video
RCA female (480i), 29.97 Hz
  • MPEG2 Profile
MP@HL for HD, MP@ML for SD
1080i, 720p, 480p, and 480i resolution, depending on input
  • Video Encoding Bitrate           
18 or 25 Mbps
  • MPEG1
Layer 2 audio
  • Modulation
Switchable 64/256 QAM, J83 Annex B
Interleaving Modes (128,1) MER 38 dB typical
  • RF
F, female, 75 ohm impedance
  • Agile


channels 2-135 (48-860 MHz), standard, HRC, or IRC spacing
6 MHz bandwidth fits any open channel without interference to
adjacent channels
1 KHz resolution, +/- 30 ppm accuracy, +/- 35 ppm stability
29 dBmV typical output power, attenuated in 5 steps


Connection Ports  
  • Front Pane Control
DB-9 male, RS-232 data link to control system
300 to 19,200 baud (9600 default), 8 data bits, no parity,
Power button
Setup, Select and directional buttons for menu setup
Menu LCD, 2 lines of 20 blue characters each
  • Data Port
  • RF Channels
Video Input  
  • Component
RCA Y, Pb, Pr (1080i/720p/480p/480i) , 59.94/29.97 Hz
  • S-Video
Y(Composite), C (Blue Pb) 480i, 29.97 Hz
  • Composite Video
RCA female (480i), 29.97 Hz
  • RGB In:
RGBHV DB-15 female (1080i/720p/480p/480i), 59.94/29.97 Hz
Audio Input  
  • Digital SPDIF
Coax and TOSlink optical output, PCM 48K sample rate
  • Analog L and R
2 stereo RCA female jacks
  • Physical Dimentions
8.5 [216mm] wide x 1.73 [62mm] height (1RU) x 6.0 [153mm]
1.5 lbs [0.68kg]
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