Part Number: VPE-PAL
Title: PAL VIDEO PRE-EMPHASIS NETWORK
Category: RF Filters
Industry:TV/Radio Broadcast, CATV Cable Industry,
The VPE-PAL is a video Pre-Emphasis Network for PAL color video. It is used to offset triangular noise distribution created by FM transmission systems. FM fiber, Satellite and microwave transmission systems exhibit this kind of triangular noise pattern. This standard video Pre-Emphasis noise reduction technique requires “ROOFING”. Roofing occurs when the video pre-emphasis “signal curve” tops out, this prevents uncontrolled excessive high frequency overdrive.
This inline network uses two 75 Ohm (female) BNC connectors mounted in a light weight die-cast aluminum housing that can be mounted directly onto the video cables. The network is non-polar and can be connected in either direction on the video cable.
Use of pre-emphasis (VPE-PAL) at the transmitter and de-emphasis (VDE-PAL) at the receiver will result in a substantial noise improvement on your video signal.
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