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8906 Analog Video Clamping Equalizing Distribution Amplifier w/SNMP Key Features • Suitable for NTSC, PAL, SECAM, RGB, YUV, Tri-level sync • Passive differential looping input with eight active outputs • NTSC/PAL input presence detection with SNMP trap generation • Selectable AC, DC, DC restore, or clamp (slow/fast) input coupling • Selectable, dual-speed clamp for singleended hum rejection • Adjustable White Clipper removes peak impulse transients • Card-edge adjustable cable-specific equalization for up to 300 meters • Card-edge adjustable gain control
This distribution amplifier offers all the features and functionality of our 8901 utility DA and our 8902 equalizing DA, plus a dual-speed clamp and video presence detection with SNMP trap generation. While all Grass Valley distribution amplifiers remove differential or common mode hum induced by cable runs adjacent to AC mains cables, this module offers a dual-speed self-clamping circuit to handle single-ended hum caused by grounded coaxial cable shields.
8900V-R J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
Outputs
Outputs
Additionally, a White Clipper circuit eliminates impulse noise above a user-selectable threshold. And the user-enabled video presence detection feature generates SNMP traps that can be sent to our NetCentral SNMP manager or other SNMP systems for missioncritical applications.
Input
Loopthru
• Excellent differential gain and phase specifications • Card-edge status indicators
Analog Video Input
EQ Adjust
AC Coupled DC Coupled DC Restored Clamped
White Clip
Gain
Analog Video Outputs
Video Input Presence Detection
Ordering Information
Specifications Supported Frame Types
Performance
GeckoFlex with 8900V-R GeckoFlex Video rear module, Gecko video frames: 8900TX-V, 8900TF-V, 8900TFN-V
Cable equalization: Dual range • 0 to 150m (0 – 500 ft.) • 150 to 300m (500 – 1000 ft.)
Power Rating 2.3 Watts – single slot
White clip: On/off user selectable
This module can be mounted in a GeckoFlex frame when ordered with the 8900V-R GeckoFlex Video rear module.
8906-EQ-11
8906-EQ-0.6-3.7
Belden RG11/U, 8238 cable
PIK AF 0.6/3.7 cable
8906-EQ-1694
PSF 1/3 cable
Type: 1 Vp-p analog video with operation up to 2 Vp-p NTSC, PAL, SECAM, RGB, YUV, Tri-level sync
Frequency response: • ±0.05 dB to 5 MHz • ±0.1 dB 5 to 8 MHz • –1 dB at 16 MHz
Connector type: BNC
Differential gain: <0.1%
8906-EQ-8281
Impedance: Passive high impedance differential loop-through
Differential phase: <0.1°
Belden 8281 cable
Gain range: ±2 dB
8906-EQ-0.03-0.14
Input
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
Tilt: <0.5% Coupling: AC, DC, DC restore, clamp two speeds Clamp hum rejection: Slow: 20 dB Fast: 46 dB Electrical length: 22 ns Temperature range: 0° to 30°C
Connector type: BNC
Indicators/Controls
Impedance: 75Ω
User controls: Output gain adjustment range: ±2 dB EQ adjustment for up to 300 meters of input cable White clipper adjustment range: 500 mV to 1200 mV
Return loss: >40 dB up to 5 MHz Output DC: <50 mV
LED indicators: Fault, power, frame bus communication
Belden 1694A cable
8906-EQ-PSF1-3 8906-EQ-5C2VS Canare L-5C2VS cable
8906-EQ-VCB100 S2CEB VCB100 cable
Belden 1505A and Gepco VPM 2000
8906-EQ-9259 Belden RG59U, 9259 cable
8906-EQ-VDM230 Gepco VDM230 cable
8906-EQ-1.0-6.6 PIK AF 0.6/6.6 cable
8906-EQ-0.6-2.8 PIK AF 0.6/2.8 cable
For detailed specifications, installation, and setup instructions see: www.grassvalley.com/docs/modular
