B780AG - Fiber Optic RGB and Audio


RGB High Resolution Component Video and 2-Channel Audio B780AG and B7780AG

The B780AG and B7780AG high resolution component video and audio links are designed to support RGB signals for projector and plasma display screens and UXGA (1600 x 1200) computer systems with resolution up to 2k x 2k pixels. In addition, these links also support two one-way audio channels. The low profile 1RU chassis can be installed in a standard 19-inch equipment rack or placed on a table top. These units can also be under-the -desk or ceilingmounted with removable mounting brackets. The RGB component signals are intensity modulated with a bandwidth of 125 MHz per component. The unit operates with either Sync-ON-Green, H and V drives or composite sync. To satisfy the requirements of the video and computer world, the B780AG and B7780AG feature both BNC and the HD-15 computer interface connectors. Loop-thru BNC connectors with selectable 75-ohm termination are provided on the transmitter. Digital processing of the audio signal along with an audio signal-to-noise ratio >90 dB allows the audio output to drive balanced or unbalanced loads and maintain constant audio levels. Audio connections are provided via built-in RJ-45 connectors. The SMARTS™ diagnostics provides built-in diagnostic tools including LEDs that monitor the status of the video and optical signals.

Especificações técnicas

  NTSC and PAL, 1.0 V p-p
 Standards Supported
  RGB HV, RGsB, VGA, SVGA, UXGA, with TTL H and V Sync, Sun and Apple Macintosh with TTL composite sync, Silicon Graphics with sync-on-green
  125 MHz per component
 Signal-to-Noise Ratio
  >60 dB
 Input/Output Impedance
  75 Ohms
 Video Resolution
  2k x 2k pixels
 Horizontal Scan Rate
  15.75 kHz to 130 kHz
 Vertical Scan Rate
  50 Hz to 150 Hz
  Multimode or Single Mode
 Optical Budget
  10 dB
  Multimode LED; Single Mode Laser
 Operating Distance
  Multimode 1.8 mi (3 km); Single Mode 15 mi (25 km)
 Modulation Type
  Intensity Modulation
  Multimode 850 m; Single Mode Laser 1310 nm
 Gain Control
  Optical Automatic Gain Control (OAGC)
  2 simplex
 Input Signal Level
  17.4 V p-p, +18 dBu max.
 Input Impedance
  30 ohms unbalanced, 60 ohms balanced
 Frequency Response
  20 Hz to 20 kHz
 Sampling Rate
  33 kHz
 Output Signal Level
  17.4 V p-p, +18 dBu max.
 Output Impedance
  30 ohms unbalanced, 60 ohms balanced
 Audio Sampling Rate
  52 kHz
 Signal-to-Noise Ratio
  >90 dB
 Total Harmonic Distortion
 Test Signal
  1 kHz
 Input Power
  100-240 VAC . 47-63 Hz
 Power Consumption
  100 W maximum
  Removable 1 A Fuse
 Operating Temperature
  -40 to 122°F (-40 to +50°C)
 Maximum Humidity
  95% relative, noncondensing
  FCC Part 15, ICES-003, AS/NZS 3548, EN55022
  ENV50204, EN61000-4-2, -3, -4, -5, -6, -11
  UL 1950, CAN/CSA 22.2, NO. 950-95
 Dimensions (H x W x D)
  1.75'' x 19.0'' x 11.5'' (45 x 483 x 292 mm)
  5 lbs (2.27 kg)
  • One-way transmission of three real-time, full frame video channels and two audio channels over four single mode or multimode fibers
  • Supports multiple video standards
  • 2K x 2K pixel resolution
  • Video SNR >60 dB
  • 125 MHz video bandwidth
  • H and V Sync or Sync-On-Green
  • 24-bit audio processing
  • Audio SNR >90 dB
  • 20 Hz to 20kHz audio frequency response
  • 52 kHz audio sampling rate
  • 10 dB optical budget
  • Operating distance 1.8 mi. (3.0 km) multimode or 15 mi. (25 km) single mode
  • BNC and HD-15 computer interfac
  • Exclusive Pix-Lock Sync™ System
  • Optical AGC
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