[16-071-704] 1 x 4 Unbalanced Audio DA

The 16-071-704 is a 1X4 unbalanced audio distribution amplifier packaged in a small epoxy block without connectors. This VAC Mini Function Block product is intended to be designed into a users product and hard wired into the system.

The product provides 6-32 threaded mounting holes so the user can mount the Mini Function Block. The dimensions of the Mini Function Block are designed so the product can be mounted to a PC card and slide into standard PC card racks.

Single Unit Pricing: $185.00

Highlights

The 16-071-704 does not ship with any type of power supply. It is left to the user to provide correct power.

Features

GroupMFB
# Channels1
Inputs/Channel1
Outputs/Channel4
Input 1 Signal TypeUnbalanced Audio
Input 1 CouplingDC
Input Configuration 1Standard 10K Ohms
Gain ConfigurationUnity
Input 1 ConnectorPCB pads
Output 1 Signal FormatUnbalanced Audio
Output 1 CouplingDC
Output Configuration150 Ohms
Output 1 ConnectorsPCB pads
Power ConnectorPCB pads
Input Voltage 28-32 VDC
Height.5
Width2
Depth1.5
Low Operating Temp (C)-40
High Operating Temp (C)80
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.