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innovations in DTV, SDI, Television Testing, Distribution, Routing Switchers and Fiber Optics
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BROADCAST - NEWS - SPORTS

Television production and broadcast engineers have always sought out the best technology for media events such as the Olympics. In the mid-1980s, fiber-optic transport was introduced into the television industry. Since that time there has been no looking back. Fiber optics are used in all aspects of production and distribution of video and audio signals. The state of the art for the transport of analog video is to use 12-bit video digital encoding. The serial digital bit rate can vary from about 144 to 300 Mbps.

With the introduction of digital video in the 1990s, fiber-optic transport continued to enjoy growth in the broadcast industry. Digital video was encoded into data rates ranging from 144 to 360 Mbps. These high bit rate video signals could only travel over copper up to about 300 meters. Transport distance beyond 300 meters required fiber.

The transition to 100% DTV/HDTV has created a need to transport signals with a bit rate as high as 3 Gbps. HDTV using an SDI interface (HD-SDI), in its native or uncompressed form, is 2.97 Gbps. HD-SDI can only reach about 150 meters over a coax. Once again, fiber is the only choice to reach distances beyond 150 meters.

Systems can be designed using many of the technologies described above. Analog and digital signal transport can be mixed. Time-division and optical multiplexing can be combined. A broadcast television station may typically reside in a downtown metropolitan area. The television transmitter and satellite up and down links may be on a distant mountaintop outside the city. This situation is a perfect application for fiber transport. The system may require both analog video and digital video since the station may be in the midst of their conversion from analog to digital broadcast. Signals in both directions will be required to support downlink satellite video.

Another typical application is that of back-haul feeds, where many channels of video and audio are trunked together over one fiber. Such a system can use TDM to combine groups of eight channels of video with audio into single wavelengths. The optical multiplexing or CWDM technology is used to combine the wavelengths with groups of eight videos onto one fiber. The combined technique of TDM and CWDM provides a fiber transport capacity of more than 144 video channels on one fiber.
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   PRODUCTS FOR THIS INDUSTRY
  Model Description Fibers Video Audio Data PDF
  HD-3000 3 Gbps Multirate Serial Digital Video Fiber Optic Transmitter, 5 - 2970 Mb/s, DVB/ASI, 3G HD-SDI SMPTE 424M 3G HD-SDI 1080p SMPTE 424M, SMPTE 292M/259M/310M. (Shipping NOW) - more >> 1
  DVI-4000 DVI Single or Dual Link, Fiber Transport Uncompressed over 4 to 9 Fibers - more >> 4 - 6 SL
7 - 9 DL
  VPDA-2 Single Rack-mounted Video, Pulse, Subcarrier DA - more >>
  WVDA-100-RMD Dual Rack-mounted, 200 MHz Wide Band Video & 50 M Bit/sec Data Distribution Amplifier - more >> ­
  ADA-7 Portable Audio Distribution Amplifier - more >> ­
  DAI-8550 DA interface Adapter (requires 8) - more >> ­
  AIA-8550 1RU Audio Interface Adapter for the GVG 8550 - more >> ­
  AIA-880 2RU Audio Interface Adapter, XLR Break-out Panel - more >> ­
  DAI-880 DA interface Adapter Custom Assembly - more >> ­
  DVM-3000-MOD 1 Ch. 12 Bit Video, 2 Bi-dir Audio & 8 Bi-dir Data Fiber Optic Multiplexer for Surveillance and Transportation - more >> 1
  DVM-2700-MOD 2 Video & 8 Audio Fiber Optic Multiplexer - more >> 1
  RGB-5000-FTX-50-ST-ET Sychronous, Single Fiber, Digital, RGB and VGA Fiber Optic System - more >> 1
  VLD-2 Dual Video Loss Detector - more >> ­
  TS12 Handheld 8 Bit NTSC Test Signal Generator - more >> ­
  SPLIT5050 Optical Splitter, 50/50 Gould - more >>
  CWDM-2000  Coarse Wave-Division Multiplexer for 4, 8, 16 & 18 Channels - more >> 4, 8, 12, 16, 18 to ONE
  UTIL-200-FIBER SDI MODULAR FIBER OPTIC UTILITY TRAY - more >> ­
  DVM-2000 1 Ch 12 Bit Video, 6 Ch 24 Bit Audio & 3 Ch Data Fiber Optic Multiplexer, Stand-alone - more >> 1
  AES-210 AES Re-clocking Distribution Amplifier - more >> ­
  AES-2200 8 Channel, AES/EBU, Digital Audio & Data - more >> 1
  DAM-2000 6 Ch. 24 Bit Audio & 3 Ch. Data Fiber Optic Multiplexer - more >> 1
  DAM-2200 6 Ch. 24 Bit Audio & 3 Ch. Data Fiber Optic Multiplexer - more >> 1
  DAM-4000 40 Channel, 24 Bit Audio Fiber Optic Multiplexer - more >> 1
  DTM-2200 8 Two-Wire, Digital, Telephone Fiber Optic Multiplexer - more >> 1
  DTV-110 Automatic Standard Reclocking DA and Repeater w/ cable EQ - more >> ­
  DTV-120 Serial Digital Video Transport - more >> 1
  DTV-130 400 MBps SDI Fiber Optic Transport, Stand-alone - more >> 1
  DTV-201 Serial Digital Video Fanout DA; 1x4 - more >> ­
  DTV-202 Serial Digital Video Fanout DA; 1x8 - more >>
  DTV-210 Automatic Standard Reclocking DA - more >> ­
  DTV-225 540 Mbps SDI Fiber Optic Transport, MM - more >> 1
  DTV-235 540 Mbps SDI Fiber Optic Transport, SM - more >> 1
  DTV-4000 4 Channel, SDI, Fiber Optic Transport, 16 Analog or 8 AES Audio Channels, Frame Sync, Stand-alone - more >> 1
  DV-1394 Firewire, IEEE 1394A/B, Fiber Optic Transport - more >> 1
  DVI-2000 DVI Fiber Optic Extension Cable, up to 150 meters - more >> 1 Cable
  DVI-ONE DVI Fiber Optic Transport Link, up to 1000 meters or 3300 feet over ONE Multimode Fiber - more >> 1
  DVM-2200 1 Ch 12 Bit Video, 6 Ch 24 Bit Audio & 3 Ch Data Fiber Optic Multiplexer, Modular Card - more >> 1
  DVM-2500 Bi-directional, 1 Video, 8 Audio & 2 Data Fiber Optic Multiplexer - more >> 1
  DVM-2700 2 Video & 8 Audio Fiber Optic Multiplexer - more >> 1
  DVM-3000 1 Ch. 12 Bit Video, 2 Bi-dir Audio & 8 Bi-dir Data Fiber Optic Multiplexer for Surveillance and Transportation - more >> 1
  FMX-125 12 Bi-dir Data, 2 Bi-dir Audio & 8 Tally - more >> 1
  RGB-2000 500 MHz RGB and VGA Fiber Optic Transport - more >> 3
  RGB-5000 Sychronous, Single Fiber, Digital, RGB and VGA Fiber Optic System - more >> 1
  TAC-2000 Tactical Military Fiber Optic Cable and Spool Assemblies - more >> 4, 8, 12
  UTIL-200 VIDEO, SDI, TEST SIGNAL & CHARACTER ID MODULAR UTILITY TRAYS - more >>
  UTIL-200-AUDIO AUDIO, AES DAs, MODULAR UTILITY TRAYS - more >>
  UTIL-200-AV VIDEO, AUDIO, SDI, AES DAs, TEST SIGNAL & CHARACTER ID MODULAR UTILITY TRAYS - more >>
  EOS Series Electro-Optical Fiber Switcher, Hybrid, Full Matrix Routing Switcher, OEO - more >> 72x72 - 288x288
  CWDM-1AD & 2AD CWDM Optical Add & Drop Multiplexers - more >> 1A-1D / 2A-2D
  RMT Dual RMD, Triple -RMT and Six RM6 Position Kits - more >> ­
  WALL Wall-mount Plate for Stand-alone Units - more >> ­
  UTIL-200-DVM VIDEO, AUDIO, SDI & AES MODULAR FIBER OP - more >>
  HEMC-400 Series 10/100Base-T Ethernet Fiber Optic Link - more >> 1 or 2
  ODA-4000 Series Optical Distribution Amplifier and Wavel - more >> 1 x 8
  OM1200 Series 4 Optical Fiber Port Protocol Independen - more >> 4 IO's into ONE Fiber
  VAGC-100 Video Automatic Gain, EQ and Chroma Distribution Amplifier - more >>
  AAGC-200 Audio Automatic Gain Stereo Distribution Amplifier with VU Meters - more >>
  ADA-200 Stereo Audio Distribution Amplifier with VU Meters - more >> ­
  VDA-8505 20 MHz, Long Range Field DA for Video, Pulse, Subcarrier and AES/EBU Digital Audio with 3500 Ft. Equalizer for 8281 & RG-59U cable & Back Porch Clamp, 1x8, Modular Card - more >> ­
  VPDA-100 VIDEO, PULSE & SUBCARRIER DISTRIBUTION AMPLIFIER with 3 CABLE EQUALIZERS & BACK-PORCH CLAMP - more >>
  VAGC-200 Video Automatic Gain, EQ and Chroma Distribution Amplifier - more >> ­
  TS12-10B 10 Bit NTSC Test Signal Generator with 12 Video Test Signals & VITS exceeding RS-250C specs. - more >> ­
  PS-200 Modular 85-265 VAC Power Supply & Line Cord for 200 series trays. - more >> ­
  HD-1500 1.5 Gbps Multirate Serial Digital Video Fiber Optic Transmitter, 5 - 1485 Mb/s, DVB/ASI, SMPTE 292M/259M/310M (See HD-3000 for 3G HD-SDI 1080p support) - more >> 1
  DTV-150 2 Channel AES or 4 Channel Analog Audio De-Embedder for SDI 270Mbps, SMPTE 259M, Balanced 110 Ohm - more >> 1
  AES-2000 6 Channel, AES/EBU, Digital Audio & Data Fiber Optic Multiplexer - more >> 1
  DVM-4000 4 Video & 16 Audio Fiber Optic - more >> 1
  DVM-8000 8 ch. 10 bit Video, 32 Ch. of 24 bit Audio and 4 Ch. Data - more >> 1
  RGB-5000-SXGA Sychronous, Single Fiber, Digital, RGB and VGA Fiber Optic System - more >> 1
  RGB-5000-FRX-DC Sychronous, Single Fiber, Digital, RGB and VGA Fiber Optic System with Daisey Chain - more >> 1
  DVI-5000 DVI Single or Dual Link, Fiber Transport Uncompressed over ONE Fiber - more >> 1
  KMA-2000 Stand-alone, PS/2 Keyboard, Serial Mouse - more >> 1
  TP-RGB-1000 RGB/UXGA Video over UTP CAT 5 - more >>
  DAM-1000 2 Channels of 24 bit Audio and 3 Channels of RS232 Data - more >> 1
  USB-2000 USB 1.1 Fiber Optic Transmitter & Receiver Pair - more >> 2
  FMX23ST03 Fiber Optic RS-232/422 async data - more >> 1
  FSW-KSTST-WB A/B Protection Switch,ST/UPC Connectors, - more >> 2 x 1
  VAS-1000 10 BY 1 VIDEO and AUDIO SWITCHER - more >> ­
  SW-5 & SW-10S VIDEO and STEREO AUDIO PASSIVE SWITCHERS - more >> ­
  DAS-1000 10 by 1 Serial Digital Video & AES/EBU Audio Routing Switcher - more >> ­
  AEA-1 XLR Audio Break-out Panel for the MULTID - more >> ­
  AB-200 AUTOMATIC BYPASS & KEEP ALIVE SWITCH to AUTOMATICALLY TEST & ID Four Video Circuit - more >> ­
  ADAM-200 50 or 600 Ohm Mono Audio Distribution Amplifier - more >> ­
  ADAS-200 50/600 Ohm Stereo Audio Distribution Amp - more >> ­
  VDA-201 20 MHz, Video, Pulse, Subcarrier and AES/EBU Digital Audio Distribution Amplifier - more >>
  VDA-202 20 MHz, Video, Pulse, Subcarrier and AES/EBU Digital Audio Distribution Amplifier - more >>
  VDA-210 Equalizing, Video, Pulse Distribution Amplifier with Back-porch Clamp - more >>
  VDA-220 Equalizing, Video, Pulse Distribution Amplifier with Back-porch Clamp - more >>
  WVDA-250 200 MHz Wide Band Video & DS-3 Data Distribution Amplifier with 500 Ft. Equalizer - more >> ­
  VDA-210-BALIN 20 MHz, Video, Pulse and Subcarrier Distribution Amplifier - more >>
  VDA-210-EQ-BALIN 20 MHz, Video, Pulse and Subcarrier Distribution Amplifier - more >>
  TS12-CARD Modular 10 Bit NTSC Test Signal Generator offers 16 precision test signals - more >> ­
  CG-200 Modular Plug-in Video Character ID Gener - more >> ­