- Northern Airborne Technology AA12S Series Compact Audio Controller Installation and Operation Manual

AA12S Series Compact Audio Controller Manual SM69 Rev. 4.00
1.3 Specifications
1.3.1 Electrical Specifications
Power Supply
Input voltage 11-30 Vdc operating. Linear regulator with
reverse and over voltage protection.
Internal supply 11 Vdc
Nominal Lighting Voltage 27.5 Vdc @ 200 mA max (AA12S-001)
13.5 Vdc @ 400 mA max (AA12S-004)
Nom. Operating Voltages 27.5 Vdc @ 600 mA max
(one input for both) 13.8 Vdc @ 600 mA max
Maximum Operating 30.3 Vdc
Minimum Operating 11.0 Vdc
Note: The AA12S is not designed to operate under emergency electrical system
conditions for 14 Vdc operation.
Input Signals
Mic:
Quantity 4 (Pilot, Copilot, 2 Passengers)
Rated level 250 mVrms nominal (125 to 500 mVrms)
Impedance 150 Ohm ±10 %
Circuitry type unbalanced
TX Keyline:
Quantity 2 (Pilot, Copilot)
Rated level ground activates keyline, <20 mA source current
ICS Keyline:
Quantity 4 (Pilot, Copilot, 2 Passengers)
Rated level ground activates keyline, <1 mA source current
Receive Audio:
Quantity 7 (3 COM, 4 NAV)
Rated level 2.5 Vrms nominal (1.3 to 5.0 Vrms)
Impedance 1 kOhm ±10 % (1 to 3 kOhm for sidetone)
Circuitry type unbalanced
Music Inputs:
Quantity 2 (left channel, right channel)
Rated level 1.4 Vrms nominal (850 mVrms to 2.4 Vrms)
Impedance 11 kOhm ±10 %
Circuitry type unbalanced
Page 1-2 Oct 13, 2005
ENG-FORM: 800-0107.DOT Amendment # 1 Oct 14, 2005
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.