Northern Airborne Technology AA12S-600 - Manual (Page 8)

AA12S-600 Compact Stereo Audio Controller
SM84 Installation and Operation Manual
Section 1 Rev: 1.01
Issue 1 Page 1-5
ENG-FORM: 800-0115.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Keylines
Quantity 4
Rated Level
<1.0 A
Circuit Type Grounded mechanical or solid state relay contact
Emergency Keyline
Quantity 1
Rated Level
<1.0 A
Circuit Type Grounded mechanical or solid state relay contact
Bi-Directional Signals
NAT Inter-Communication System Tie Line
Quantity 1
Rated Level
340 mVrms nominal
Impedance 2.0 k Ω nominal
Circuit Type Single ended
Audio Performance
As per RTCA DO-214, Sections 2.4.x. Product Classification 1b.
Rated Output Power
≥100 mW into 300 Ohm (each stereo channel)
Audio frequency Response
Transceiver Receive Audio
≤3dB variance from 300 - 6000 Hz
Transceiver Sidetone Audio ≤3dB variance from 300 - 6000 Hz
Transmit Mic Audio Out ≤3dB variance from 300 - 6000 Hz
Receiver Receive Audio ≤3dB variance from 300 - 6000 Hz
Intercom & ICS Tie Audio ≤3dB variance from 300 - 3000 Hz
Direct Audio ≤3dB variance from 300 - 6000 Hz
Music Audio ≤3dB variance from 150 - 15000 Hz
Spurious Response ≥50 dB of attenuation
Distortion
≤10% THD+N at Rated Output Power
≤3% THD+N at 10% Rated Output Power
Input-to-Output Crosstalk
≥55 dB of attenuation
and Bleed-Through Levels