OBTX Transmitter

A compact and feature-rich COFDM digital video transmitter, specifically designed for high quality wireless link applications. With proven Domo COFDM and H.264 encoder technology at its core enabling High Definition images, the small size and ultra low power consumption give maximum operational performance. Designed to offer maximum flexibility, the unit has a variety of video input options including composite, 3G-SDI and HDMI plus true balanced audio. The transmitter has an integrated control panel with sunlight-readable OLED display covering all major functions and has 16 user-defined presets. A wide range of swappable frequency bands are available from 200MHz to 8.9GHz. Integrated UHF band Camera Control is available as an option.

Features

  • 3G video formats up to 1080p 60
  • 4:2:2 compression option
  • Integrated camera control option
  • Swappable RF modules
  • H.264 low delay encoding
  • Wireless Studio Camera
  • Industry standard DVB-T modulation for high quality and interoperability with existing systems
  • Ultra low power consumption for extended field performance
  • Sports & Events coverage
  • Newsgathering

Designed to offer maximum flexibility in the pressurised and rapidly-changing OB environment, the unit has a variety of video input options including composite, 3G- SDI and HDMI – particularly useful when accessing material in the field from pro-sumer and semi-professional equipment. Balance audio inputs feature variable gain and 12/48V microphone power. SDI or HDMI embedded audio inputs are also supported as standard. ASI interfaces enable the unit to be used as a stand-alone encoder or modulator.

The SOLO7 OB Transmitter has an integrated control panel with sunlight-readable OLED display covering all major functions and has 16 user-defined presets. A wide range of RF frequency bands are available from
200MHz to 8.9GHz. Users can upgrade the RF section to an alternative frequency band as a low-cost option.

Integrated UHF band Camera Control is available as an optional extra. This is directly compatible with the DTC Broadcast Camera Control System and would replace the stand-alone Camera Unit.

With proven DTC COFDM and H.264 encoder technology at its core, the small size and ultra-low power consumption enables high definition images and is ideal for establishing rugged wireless video links in all environments including mobile, urban and non-line of sight:

  • Industry standard DVB-T modulation for high quality and compatibility with existing systems
  • DTC UMVL modulation for enhanced high speed operation (motorsports) and improved performance at high frequencies (6 & 7GHz)
  • DTC Narrowband allow users to share scarce spectrum allocation efficiently

Specification

HDMI HDMI Type A
SD/HD/3G-SDI BNC
ASI Input DIN 1.0/2.3
ASI Output ASI Output
Composite / S-Video / RS232 7-way 0B Lemo
Balanced Stereo Audio 5-way 0B Lemo (CA0579 2x XLR3)
USB Control 6-way 0B Lemo (CA0343 Type-A USB)
External Power 4-way 0B Lemo (CA0002 2x Banana)
External PA 4-way 0B Lemo
Battery Pass-through V/AB/PAG plates (optional)
RF Output N-Type (100mW/50mW/10mW modes)

Camera Interface 10-way Circular Hirose
Tally 5-way 0B Lemo
USB Upgrade Micro-B USB
RF Input SMA (403-473MHz)

DVB-T Bandwidth 8MHz, 7MHz and 6MHz modes
DVB-T FEC 1/2, 2/3, 3/4, 5/6, 7/8
DVB-T Constellation QPSK, 16QAM, 64QAM
DVB-T Guard Interval 1/4, 1/8, 1/16, 1/32
DVB-T Bitrates 3.732Mbps to 31.668Mbps

NB Bandwidth 2.5MHz, 1.25MHz and 625kHz modes
UMVL Bandwidth 8MHz, 7MHz and 6MHz modes
NB/UMVL FEC 1/3, 2/3
NB/UMVL Constellation QPSK, 16QAM, BPSK, 8PSK
NB/UMVL Guard Interval 1/8, 1/16
NB Bitrates 144kbps to 4.879Mbps
UMVL Bitrates 1.317kbps to 14.869Mbps

CC Bandwidth 12.5kHz, 20kHz and 25kHz modes
CC Constellation 4PSK, GMSK
CC Sensitivity -114dBm @ 25kHz Bandwidth
-111dBm @ 12.5kHz Bandwidth

SD Input Format PAL, NTSC (with or without pedestal)
720x576i 50Hz
720x480i 59Hz
HD Input Format 1920x1080i 60/59.94/50Hz
1920x1080p 30/29.97/25/24/23.97Hz
1920x1080psf 30/29.97/25/24/23.97Hz
1280x720p 60/59.94/50Hz
3G Input Format 1920x1080p 60/59.94/50Hz
(via Level A or Level B Dual Link)
H.264 Compression AVC / H.264 / MPEG-4 Part 10
High profile level 4.0
4:2:0 or 4:2:2 (optional)
ASP Compression ASP / MPEG-4 Part 2
with NB modulation and SD only
Coding Options Horizontal scaling of 3/4, 2/3, 1/2, 1/4
Vertical scaling of 1/2, 1/4
Sub-frame rate of 1/2, 1/4, 1/8, 1/24
Encoder Delay 1s to 10ms (mode dependant)
Encoder Bitrates 0.25Mbps to 32Mbps
Low L.atency 15ms to 100ms (setting dependant)

Analogue Audio Input Balance analogue stereo pair
+18dBu Max input level (up to 63dB gain)
Analogue Phantom Power Off, 12V or 48V selectable
Digital Audio Input SD/HD/3G-SDI 2 digital stereo pairs
HDMI 1 digital stereo pair
Sample Rate 32kHz, 48kHz
Coding Modes 4 channels stereo or mono
MPEG Audio Layer 1 64-448kbps
MPEG Audio Layer 2 32-384kbps

RS232 Data Input 1k2 to 115k2, 7/8 bit, no/odd/even parity
Remote Control RS232 & USB Control from PC GUI Application
or other device
Front Panel Built in FCON field controller

Type ABS 32bit as standard
AES128/256 (optional)

Dimensions  L 170mm (142mm excluding connectors),
W 97mm (94mm excluding connectors),
H 35mm (without battery plates) or
H 71mm (with V-lock or PAG plates) or
H 62mm (with Anton Bauer plates)
Weight 520g to 870g depending on options

DC Input 9.2V to 17.8V reverse polarity protected
Power Consumption Typically 10.0W @ 100mW RF power
with additional 2.0W for >6.0GHz
and additional 0.5W for Camera Control

Temperature Range -10 to +50 °C
Humidity Less than 85% Non-Condensing

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