HDMI Modulator with return remote control IR - Digital Full HD 1080p ATSC, QAM J.83B, DVB-T, ISDB-T over Coax

H-HDMI-RF-Petit-IR
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Description Features Drawings Video Model Selection Specification Q&A Documents Support
Description

Compact HDMI-compliant modulator with loop-out and IR so you can change the source Set Top Box from a different one via a Television. However, you can still use this modulator with any HDMI source like Blu-Ray, Apple TV, ROKU, PC, etc. 

You can connect any amount of TV's you want to the RF output and view your programs over your existing coax network in up to 1080p resolution. You can also inject an RF input into the modulator, like an Antenna, and then add your HDMI-sourced product to inject into the ATSC channel lineup on a vacant frequency. This added accessibility along with the IR and digital link passing through your coax network will make adding programs, and adjusting the channel on your STB an easy-to-use solution. 

Furthermore, the modulator also has an HDMI loop-out so if you have your unit stationed near a TV, and use the IR to control a second TV, the first TV can be fed with the HDMI input for monitoring or viewing. There is an LCD display with easy-to-use buttons, and of course, there is an RJ45 input so you can add your modulator to the LAN and control it through a WEB GUI. This unit also has all the major RF modulation standards built in, QAM(J83A/B), ATSC, ISDBT, and DVBT.

Features
  • HDMI Input - HDCP compliant ( works with any HDMI device )
  • HDMI Loop-out for convenient monitoring on a local TV
  • 10/100 Ethernet NMS port for control and setup
  • RF output could be set to any CATV format as QAM, ATSC, DVB-T, or ISDB-T 
  • RF output power is +100dBμV(30dB Attenuation); enough for distributing HDTV video to 100's TV over the existing coax cable network
  • RF power could be controlled over the network via NMS Gui (Proprietary)
  • MPEG2 video encoding
  • AC3 Audio encoding, MPEG1, and AAC options
  • Video bit rate 5-25Mbps can manage over the network
  • Supports any CATV RF agile channels from 50-950Mhz, channels  2 -135,
  •  Supports output resolutions up to 1080p; input 720 or 1080
  • Compact size 
  •  Install multiple units onto your TV system
  • IR Return with 9Vdc
  • Easy to see LED lights
Drawings
Video
Broadcast your video to the unlimited TV's build your own private headed HDMI Modulator
This video shows how to build a broadcast CATV RF headend using Thor Broadcast HDMI modulators. Easy to install digital modulators, similar to when archaic analog modulators were still commonly used. Now you can use any video source like security cameras, computers , DVD players, Roku player, Google Chromecast, Cable TV STB, Satellite STB and other HDMI output devices and send the video out as a modulated channel of your choice. The modulator can generate CATV RF CABLE TV QAM or Off the Air ATSC; or used in foreign countries that use DVB-T or ISDB-T. It's a very convenient system because the front panel show modulated channel and all connections are on the back, like HDMI inputs and RF F-type connector outputs. The RF Outputs can be cascaded or, even better, connected to a 1x12 CATV RF combiner, combined coax will have all 12 or more channels on it; and depending how many TV's the signal is being distributed to, might need to use an inline CATV RF amplifier then distributed using RF splitters and taps. Please note that if the coax distance is very long, Thor manufactures easy to use RF over fiber solutions as well. Please note that if the COAX distance is long Thor offers easy to use RF over fiber solutions as well. Link to 12ch setup : https://thorbroadcast.com/product/petit-hdmi-rf-modulator-chassis-system-for-1-12-units.html/254 Link to 1 pettit modulat : https://thorbroadcast.com/product/petit-hdmi-rf-modulator-1.html Other HDMI modulators and IPTV encoder : https://thorbroadcast.com/products/hdmi sdi over coax : https://thorbroadcast.com/products/sdi-converters-sdi-modulators RF over fiber soution: https://thorbroadcast.com/products/cable-tv-catv-rf-45-900mhz
H HDMI RF Petit IR
Compact HDMI-compliant modulator with loop-out and IR so you can change the source Set Top Box from a different one via a Television. However, you can still use this modulator with any HDMI source like Blu-Ray, Apple TV, ROKU, PC, etc. You can connect any amount of TV's you want to the RF output and view your programs over your existing coax network in up to 1080p resolution. You can also inject an RF input into the modulator, like an Antenna, and then add your HDMI-sourced product to inject into the ATSC channel lineup on a vacant frequency. This added accessibility along with the IR and digital link passing through your coax network will make adding programs, and adjusting the channel on your STB an easy-to-use solution. Furthermore, the modulator also has an HDMI loop-out so if you have your unit stationed near a TV, and use the IR to control a second TV, the first TV can be fed with the HDMI input for monitoring or viewing. There is an LCD display with easy-to-use buttons, and of course, there is an RJ45 input so you can add your modulator to the LAN and control it through a WEB GUI. This unit also has all the major RF modulation standards built in, QAM(J83A/B), ATSC, ISDBT, and DVBT. - HDMI Input - HDCP compliant ( works with any HDMI device ) - HDMI Loop-out for convenient monitoring on a local TV - 10/100 Ethernet NMS port for control and setup - RF output could be set to any CATV format as QAM, ATSC, DVB-T, or ISDB-T - RF output power is +100dBμV(30dB Attenuation); enough for distributing HDTV video to 100's TV over the existing coax cable network - RF power could be controlled over the network via NMS Gui (Proprietary) - MPEG2 video encoding - AC3 Audio encoding, MPEG1, and AAC options - Video bit rate 5-25Mbps can be managed over the network - Supports any CATV RF agile channels from 50-950Mhz, channels 2 -135, - Supports output resolutions up to 1080p; input 720 or 1080 Compact size - Install multiple units onto your TV system - IR Return with 9Vdc - Easy to see LED lights
Model Selection

H-HDMI-RF-Petit-IR

Specification
Encoding Section-Video
Encoding MPEG2
Interface HDMI x 2 (1×input/1×loop out)
Resolution Input: 720@50p,720@60p
1080@50I/P,1080@60I/P

Output: up to 1080p30
Bit rate 5-25Mbps
Encoding Section-Audio
Encoding MPEG-1 Layer2, AAC, AC3
Sample rate 48KHz
System
Management LCD + Control buttons/Ethernet Web GUI
Modulation
MER Typ. 35dB
RF range 50~950MHz, 1KHz step
RF output level 100dBμV (30dB attenuation)
Standard ATSC
Constellation 8VSB
Standard QAM J.83B, annex A , DVB-T, ISDB-T
Constellation 64QAM, 128QAM, 256QAM
IR return path connections
RF output 2 RF outputs (one providing accessory
power supply 9 Volts DC for IR pass)
DC switch Power supply 9 Volts DC for IR pass
IR OUT IR emitter output
General
Power supply DC 12V 1A
Dimensions 225*105*41mm
Weight 680g

CATV RF Modulation Technologies: A Comprehensive Overview of Standards and Distribution

Introduction:

Cable Television (CATV) distribution relies on advanced Radio Frequency (RF) modulation technologies to deliver a multitude of channels seamlessly over coaxial networks. The modulation standards vary across countries, contributing to the diversity of CATV technologies worldwide. This article delves into the distinctions between modulation standards such as Off Air 8VSB ATSC, DVB-C Annex B, DVB-T, and ISDB-T, shedding light on their bandwidths, encoding formats, and the indispensable role of amplifiers in ensuring reliable signal distribution.

Modulation Standards Across Continents:

CATV RF distribution employs different modulation standards in various regions. In the United States, Mexico, Canada, and some Latin American countries, Off Air 8VSB ATSC is a prevalent standard. Its bandwidth, with a data rate of 19.3 Mbps, allows for high-quality signal transmission. Conversely, DVB-C Annex B is utilized in the US, Canada, and Mexico, with QAM 256 providing a robust 38 Mbps data rate, and QAM 64 delivering 27 Mbps.

In Europe, the Middle East, and Africa, DVB-T is the standard of choice. This standard accommodates different bandwidths, providing a flexible solution for diverse broadcasting needs. Meanwhile, Japan and countries like Chile and Argentina leverage ISDB-T, showcasing the adaptability of CATV technologies to regional preferences.

Encoding Formats and Compression Techniques:

The encoding formats play a pivotal role in determining the efficiency of signal transmission. In the United States, Mexico, and Canada, MPEG2 is commonly used, while H.264 is favored in other countries. These formats facilitate the compression of audio and video data, ensuring efficient utilization of available bandwidth.

Diversity in Audio Codecs:

CATV RF modulation technologies also exhibit diversity in audio codecs. Dolby AC3, MPEG2, and MPEG1 audio compression are commonly employed, each offering distinct advantages in terms of audio quality and bandwidth utilization. The choice of audio codec often depends on regional preferences and technological considerations.

Distribution Over Coaxial Networks:

Distributing multichannel content over coaxial networks is remarkably streamlined. Coaxial networks refer to the interconnected system of coaxial cables, splitters, taps, and combiners that facilitate the distribution of signals to individual households. Coaxial splitters divide the incoming signal into multiple paths, ensuring each subscriber receives their desired channels without signal degradation.

Coaxial Network Components:

Coaxial splitters, taps, combiners, and RF amplifiers are essential components of CATV distribution networks. Splitters divide the signal into multiple paths, taps allow controlled signal extraction, and combiners merge signals from different sources. RF amplifiers play a crucial role in overcoming signal attenuation and insertion loss, ensuring that the signal remains strong throughout the distribution network.

Understanding RF Amplifiers:

RF amplifiers are integral to CATV distribution networks. They boost the signal strength, compensating for losses incurred during transmission. RF insertion loss, resulting from cable attenuation and passive components like splitters and combiners, is effectively counteracted by strategically placed amplifiers along the distribution network.

Conclusion:

CATV RF modulation technologies form a sophisticated tapestry of standards and technologies, adapting to the unique requirements of different regions. Understanding the nuances of modulation standards, encoding formats, and distribution components is crucial for ensuring efficient and reliable CATV signal distribution over coaxial networks worldwide. As technology continues to evolve, CATV systems will likely witness further advancements, enhancing the quality and diversity of content delivered to viewers across the globe.

Question and Answers
Answer:

  An HDMI RF modulator is a device that allows you to convert a digital HDMI video signal into an analog RF (radio frequency) signal. This can be useful in situations where you want to connect a device with an HDMI output (such as a Blu-ray player or video game console) to a television that only has an RF input (such as an older CRT TV). The modulator converts the HDMI signal into a format that the TV can understand, allowing you to view the HDMI source on the TV.

Answer:

Could you please explain your question? What do you mean by 'Can you tell me the best way to pass audio through this device?'

HDMI carries embedded video and audio, and the modulator encodes both of those signals and outputs both as an RF modulated signal. 

The TV tuner will find this channel and decode video and audio.

Is your application different?

 

If you would like to decode just Audio, you can use external Tuner with HDMI and RCA audio output :

https://thorbroadcast.com/product/qam-catv-rf-and-atsc-rf-to-hdmi-decoder-stb-8230.html

 

Documents
downloadmanual-h-hdmi-rf-petit-ir.pdf
User's Manual is avalible only for logged users.
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