[11-141-104] 1 x 4 Composite Video DA, Std Input, Diff Loop Thru

Description

The VAC model 11-141-104 Video Distribution Amplifier provides four video outputs from one differential loop-thru input for baseband video signals. The 12V AC wall transformer provides isolated power to the Brick to control ground loops.

Single Unit Pricing $286.00

Features

GroupProSeries
# Channels1
Inputs/Channel1
Outputs/Channel4
Input 1 Signal TypeComposite Video
Input 1 CouplingDC
Input Configuration 1Standard 75 Ohms
Gain ConfigurationUnity
Input 1 ConnectorBNC
Output 1 Signal FormatComposite Video
Output 1 CouplingDC
Output Configuration1Standard 75 Ohms
Output 1 ConnectorsBNC
Power ConnectorP5
Input Voltage 111-13 VAC
Height.65
Width4.4
Depth2.2
Low Operating Temp (C)-40
High Operating Temp (C)50
Power BypassNO
MountingTwo 6-32 Inserts

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Power Supply

This unit has a very basic linear power supply with a 12 VAC input voltage requirement. A 12 VAC wall transformer (120 VAC input) is supplied with each unit. By using the wall transformer the power system provides ground isolation between the input power and the video circuits. The power supply uses a half wave rectifier design to develop the internal positive and negative voltage rails for the active operational amplifiers.

Package

The package for this unit consists of a solid epoxy block. The internal electronics are assembled and tested before the encapsulation process. During the encapsulation the printed circuit board(s) are placed in a five sided box made of RTV mold parts. The cavity is filled with epoxy and the lid (top) of the mold is inserted. The curing process takes 24 hours. This type of package seals the electronics so water and contamination cannot affect the internal electronics. This type of package also provides superior resistance to shock and vibration compared to a metal or plastic box enclosure.