Home ] Projects ] Contact ] Personnel ] Products ] Links ] ANC ] Downloads ]Jobs ]

Home
Up



Acoustic Surveillance Unit (ASU)

Download ASU Fact Sheet
Features:
Integrated acoustic sending and signal processing
Custom Application Specific Integrated Circuits (ASIC) for passive acoustic vehicle direction and localization
Wake-up sub-system for ultra low-power consumption
Contact reports or analog outputs available
Acoustic Horn design maximizes aperture and reduces wind noise
waterproof sensor capabilities
This versatile and affordable design of SSC's compact acoustic sensor may be adapted to meet multiple customer specifications, including FPGA and DSP implementations. Benefits:
Covert, long endurance UGS with no moving parts for increased reliability
Ready for vehicle-mounted or ground application
Affordable
Bearing accuracy capability to within 5 degrees at frequencies above 100 Hz
Rugged for vehicle and/or ground applications
Compact size (11 cm diameter)
Low Wind Noise

Power Budget

Function

Component

Wake-Up Subsystem

Microphone and Amplifier

Wake-Up Chip

Clock/ Microcontroller

Total Wake-Up Power

0.35 mW

Bearing Estimator Subsystem

Microphone and Amplifier

Microcontroller

Bearing Estimator Chip

Total Bearing Estimation Power

3.24 mW

Power Source

4 AA Batteries

Life @10% Duty Cycle

1.9 years

Life @1%Duty Cycle

3.2 years

Download ASU Fact Sheet