WISI Hong Kong
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
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Basic Unit with GaAs-high-output broadband amplifier
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Modular system concept; Up to 10 modules per basic unit
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Easy configuration and expansion
Modules
OV45D
Terrestrial- TV multi-standard channel conv. analog/digital
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Conversion of one analog/ digital TV channel into range 45-862 MHz
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Suitable for DVB-T
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AGC for the input level range 50 - 90 dBμV analog/ 40-80 dBμV digital
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Output level adjustable in the range of 74-84 dBμV analog/ 64-74 analog digital
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High IF selection via two SAW filters, for adjacent channel operation at input and output
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Deactivation of AGC for TV standard L.Manual gain adjustment
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NMS via headend controller OV51S or headend commander OV52
OV38
Dual AV-Modulator stereo
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Modulation of two audio signals and two video signals into two TV channels in the frequency range 45 – 862 MHz.
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Multi-standard operation.
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Stereo-capable vestigia sideband modulator, adjustable in 250 kHz steps.
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NICAM
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Interface for audio/video with BNC/Cinch.
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Integrated test pattern generators with two white bars and additional 1 kHz test tone.
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Connection facility for Headend Controller OV 51 A / OV 51 S.
Accessories
OV97
Cover for OV 50A
OV97
Cover for OV 50A
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