TOPLINE HEADEND | Wisi Hong Kong - Headend,channel amplifier,splitter

TOPLINE HEADEND

Modular universal system for professional applications to satisfy all requirements of high-quality channel processing - from the CATV headend to the community antenna TV system.

Whether it is satellite or terrestrially broadcast programs - the WISI TOPLINE HEADEND will feed them into your distribution system - in brilliant quality.

Basic Unit

OV50A

Basic Unit with GaAs-high-output broadband amplifier
Modular system concept; Up to 10 modules per basic unit
Easy configuration and expansion

Modules

OV45D

Terrestrial- TV multi-standard channel conv. analog/digital

Conversion of one analog/ digital TV channel into range 45-862 MHz
Suitable for DVB-T
AGC for the input level range 50 - 90 dBμV analog/ 40-80 dBμV digital
Output level adjustable in the range of 74-84 dBμV analog/ 64-74 analog digital
High IF selection via two SAW filters, for adjacent channel operation at input and output
Deactivation of AGC for TV standard L.Manual gain adjustment
NMS via headend controller OV51S or headend commander OV52

OV38

Dual AV-Modulator stereo

Modulation of two audio signals and two video signals into two TV channels in the frequency range 45 – 862 MHz.
Multi-standard operation.
Stereo-capable vestigia sideband modulator, adjustable in 250 kHz steps.
NICAM
Interface for audio/video with BNC/Cinch.
Integrated test pattern generators with two white bars and additional 1 kHz test tone.
Connection facility for Headend Controller OV 51 A / OV 51 S.

Accessories

Cover for OV 50A

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WISI Hong Kong

Basic Unit

OV50A

Basic Unit with GaAs-high-output broadband amplifier

Modular system concept; Up to 10 modules per basic unit

Easy configuration and expansion

Modules

OV45D

Terrestrial- TV multi-standard channel conv. analog/digital

Conversion of one analog/ digital TV channel into range 45-862 MHz

Suitable for DVB-T

AGC for the input level range 50 - 90 dBμV analog/ 40-80 dBμV digital

Output level adjustable in the range of 74-84 dBμV analog/ 64-74 analog digital

High IF selection via two SAW filters, for adjacent channel operation at input and output

Deactivation of AGC for TV standard L.Manual gain adjustment

NMS via headend controller OV51S or headend commander OV52

OV38

Dual AV-Modulator stereo

Modulation of two audio signals and two video signals into two TV channels in the frequency range 45 – 862 MHz.

Multi-standard operation.

Stereo-capable vestigia sideband modulator, adjustable in 250 kHz steps.

NICAM

Interface for audio/video with BNC/Cinch.

Integrated test pattern generators with two white bars and additional 1 kHz test tone.

Connection facility for Headend Controller OV 51 A / OV 51 S.

Accessories

OV97