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GeckoFlex 8902 Analog Video Equalizing Distribution Amplifier

Offering the same features and functionality of the 8901 utility DA, this module adds cable equalization to accurately compensate for attenuation and phase errors induced from long cable runs. Additionally, the DC restoration mode can be used to smoothly restore the DC component during blanking level to zero volts. This DC restoration circuit functions with or without synchronization pulses so it can be used with RGB or YUV signals that do not contain synchronization pulses. Our entire line of both analog and digital distribution amplifiers offer differential loop-through inputs designed to remove common mode hum induced by cable runs adjacent to AC mains cables.

  • Suitable for NTSC, PAL, SECAM, RGB, YUV, Tri-level sync
  • Passive differential looping input with eight active outputs
  • Selectable AC, DC, and DC restore input coupling modes
  • Card-edge adjustable cable-specific equalization for up to 300 meters
  • Card-edge adjustable gain control
  • Excellent differential gain and phase specifications
  • Card-edge status indicators

Supported Frame Types
GeckoFlex with 8900V-R GeckoFlex Video rear module, Gecko video frames: 8900TX-V, 8900TF-V, 8900TFN-V


Power Rating
2.3 Watts - single slot


Input
Type: 1 Vp-p analog video with operation up to 2 Vp-p NTSC, PAL, SECAM, RGB, YUV, Tri-level sync
Connector type: BNC
Impedance: Passive high impedance differential loop-through
Return loss: >40 dB up to 5 MHz
CMRR: >66 dB 50/60 Hz
Common mode input: ±10V


Output
Voltage: 1 Vp-p ±2 dB
Number of outputs: Eight active plus one passive loop-through input
Connector type: BNC
Impedance: 75Ω
Return loss: >40 dB up to 5 MHz
Output DC: <50 mV


Performance
Cable equalization: Dual range

  • 0 to 150m (0 – 500 ft.)
  • 150 to 300m (500 – 1000 ft.)
Frequency response:
  • ±0.025 dB to 5 MHz
  • ±0.05 dB 5 to 8 MHz
  • –1 dB at 16 MHz

Differential gain: <0.1%
Differential phase: <0.1°
Gain range: ±2 dB
Tilt: <0.5%
Coupling: AC, DC, DC restore
Electrical length: 20 ns
Temperature range: 0° to 30°C


Indicators/Controls
User controls: Output gain adjustment range: ±2 dB EQ adjustment for up to 300 meters of input cable
LED indicators: Fault, power, frame bus communication

June 12, 2013
San Francisco, Calif., June 12, 2013Grass Valley® today announced that Ethiopian government-owned Amhara TV has selected Grass Valley to provide several solutions to build Ethiopia's first HD terrestrial TV broadcast station. Grass Valley solutions will be used to outfit two HD studios and a master control room (MCR). Amhara TV is an important part of the developing media landscape in Ethiopia, and will be available both terrestrially and via the Nilesat free-to-air satellite service.
San Francisco, Calif., March 28, 2013 — Iglesia Cristiana Casa de Dios—the largest and fastest growing church in Guatemala—has selected Grass Valley® Live Production solutions to outfit its new church in order to produce high-quality programs for church members and viewers. Daily, Iglesia Cristiana Casa de Dios airs Latin America's number one rated Christian program on TBN's "Enlace" as well as Daystar's "Casa de Dios" and "Noches de Gloria". The programs are seen throughout the U.S., Central and South America, and parts of Europe.

GeckoFlex 8902 Analog Video Equalizing Distribution Amplifier Data Sheet

Posted Nov 17 2010 (MOD-4017M-5 8902) File Size: 194.6 KB

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