Grass valley 8981NR DATASHEET

J1 J2

J3 J4

J5 J6

J7 J8

J9 J10

8900V-R

Video

Output

Video

Input

Video
Output

Not
Used

Not
Used

Not
Used

Not

Used

Not

Used

EDH

Detection

Test

Generator s

SDI
Output

Micro-

processor

Control

LED

Framestor e

Ethernet

Noise
Filters

Local

Controls

SDI Input

8981NR 270 Mb/s SDI Noise Reducer Module

45

Key Features

10-bit signal processing•

Recursion filter for random noise •
reduction

Horizontal median filtering for impulse •
noise reduction

Split screen mode with internal noise •
generator for setup purposes

Video processing adjustments including •
video gain and black level

Setting stored in non-volatile memory•

Output EDH generated•

VANC pass or blank•

Passes all HANC data •

The 8981NR is a 270 Mb/s SDI component
digital noise reducer module. This module
incorporates two different noise reduction
methods that are targeted at different sources
of noise. A recursive filter is effective for low
levels of wide-band (random) variations that
have no frame-to-frame correlation, and a
horizontal median filter is very effective for
impulse noise.

Typical applications include reduction of
random noise generated during analog
transmission or digital processing. Signals
from various sources with varying amounts
of noise resulting from poor transmission and
processing will greatly benefit from using this
product by reducing the bandwidth required
later during the MPEG compression process.

Specifications

Supported Frame Types

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

Power Rating

4.5 Watts – single slot

SDI Input

Connector: BNC

Input impedance: 75Ω terminating

Signal type: SMPTE 259M serial 10-bit 4:2:2

component video

Return loss: >15 dB up to 270 MHz

SDI Output

Connector: 4X BNC

Signal type: SMPTE 259M

Output impedance: 75Ω

Return loss: >15 dB, 5 to 270 MHz

Error checking: EDH embedded

Environmental Conditions

Operating ambient temperature (frame):
0° to 45°C

Operating humidity range: 0% to 90% non­condensing

Ordering Information

This module can be mounted in a GeckoFlex
frame when ordered with the 8900V-R GeckoFlex
Video rear module.

8981NR

270 Mb/s SDI video noise reducer module

For detailed specifications, installation, and setup
instructions see:
www.grassvalley.com/docs/modular