DIGITAL AUDIO MANAGEMENT SYSTEM (DAMS 3300A)

General Description
Product Specifications
Gallery & Media
Point of Contact for further follow up
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Product Manufacturer
Bharat Electronics Limited (BEL)
Designing/Manufacturing agency
Designed & Developed by SLRDC
Product Description

DIGITAL AUDIO MANAGEMENT SYSTEM (DAMS) is intended to provide
Intercommunication among Crew, interface and control of onboard radios,
receivers and Warning audios.
DAMS Consists of two LRUs: Audio Processing Unit (APU), Audio Control Unit
(ACU). Maximum of 5 ACUs can be interfaced after APU The Digital Audio
Management System (DAMS) provides the following facilities.
• A central control for all communication equipment mounted on the aircraft.
• Conference type of Intercommunication among the flight and ground Crew
members.
• Interface and control of Five Radio channels and additional three radio channels
as spare.
• Interface for Six recording channels and additional two receiver channels
as spare.
• Interface for Six analog warning channels.
 

Features/Roles/Variants of the product
Mike and Audio signal processing in digital domain using Digital Signal Processing techniques.
Dual redundant functional channels for safe operation and automatic change over on critical failures.
Lightweight, Compact, Optimum and Power efficient design.
In-situ adjustment of Mike and Audios using software.
Voice Operated Switch (VOS) for hands free intercommunication.
RS 422 interface for future expansion.
Extensive Self-test and Built In Test.
NVG compatible panel illumination.
Product Specification
Parameters Specifications
Dimensions - APU- 210mm (L) X 232mm (W) X 118mm (H) | ACU- 83mm (L) X 146mm (W) X 76mm (H)
Weight - APU- 3.7Kg ACU- 0.75Kg
Frequency - 300Hz to 6000Hz
Audio Output - 150mW across 600 ohms
Mike Input - 1.5mV across 150 ohms
SNR NLT - 50dB
Cross Talk NLT - 65dB
Interface - RS422
Panel Illumination - NVIS compatible, MIL-STD-3009
Self-Test - POST, IBIT and CBIT
Power Supply - MIL-STD-704F
EMI/EMC - MIL-STD-461E
Environmental - MIL-STD-810G
Contact : prasenjit[at]hal-india[dot]co[dot]in