2 physical specifications, 3 environmental specifications, 5 unit nomenclature – Northern Airborne Technology AA22 User Manual
Page 6

AA22 Series PA Driver/Siren Control
SM33-2 Installation and Operation Manual
Section 1 Rev: 1.00
Issue 4
Page 1-2
ENG-FORM: 800-0113.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Impedance 1
k
Ω
Output
6 Vrms @ 1 kHz into 600
Ω ground referenced
Circuitry Single-ended
Power Key
Switched +28 Vdc available to activate remote amplifiers
Key Logic
Ground-seeking inputs for all lines
1.4.2
Physical Specifications
Height
1.11" (29.2 mm)
Depth
6.32" (160.5 mm) behind panel, excluding mating connectors
Width
5.75" (146.1 mm) front panel
4.96" (126.0 mm) rear enclosure
Mounting
Standard Dzus Mounting (four fasteners)
Weight
1.00 lbs (0.45 kg) excluding mating connector
1.4.3
Environmental Specifications
Temperature
-20 to +55
°C (ambient)
Altitude
25,000 feet max.
Humidity 95%
Shock
12g (any axis)
Qualification
DO-160C Env. Cat. B1-BA[MN]XXXXXXABBBBXXXXX
1.5
Unit Nomenclature
AA22-110
Standard swept siren, adjustable rate/tone
Mode select switch, PA/Radio monitor
>50 mW output into 150 Ohms
6 Vrms nominal siren output into 600 Ohms
70 mA nominal current consumption
PA and Siren override at all times
+28 Vdc switched power output
Use with PA110 and PA220 series amplifiers
AA22-160
Wail/Yelp swept siren, adjustable rate/tone
Mode select switch, PA/Radio monitor
6 Vrms nominal audio output into 600 Ohms
6 Vrms nominal siren output into 600 Ohms
70 mA nominal current consumption