Northern Airborne Technology AA38-5xx - Manual (Page 6)

AA38-5xx, -6xx, -7xx and -8xx Series Local ICS Loop Manual
SM54 Installation and Operation Manual
Section 1 Rev: 1.01 Issue 4 Page 1-3
ENG-FORM: 800-0116.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Output Signals
Quantity
4 Headphone outputs (AA38-501, -503, -504, -505, -601, -603, -703)
8 Headphone outputs (AA38-502, -602, -802)
Rated Level
Selectable between 8 and 600
Ω (except AA38-703 or -802)
7.7 Vrms or 100 mW (20 dBm) into 600
Ω (except AA38-703)
0.9 Vrms or 100 mW (20 dBm) into 8
Ω (except AA38-802)
ICS Tie
Output level selectable between 1.6 k
Ω (NAT ICS tie) and 250 Ω
(except AA38-504, (Andrea ICS tie)
AA38-703 and AA38-802) 140 mVrms
±10% for NAT ICS tie output (4 NAT loads)
2.8 Vrms
±10% for Andrea ICS tie output
ICS Tie
Output level selectable between 1.6 k
Ω (NAT ICS tie) and 250 Ω
(AA38-504 only) (Andrea ICS tie)
300 mVrms
±10% for NAT ICS tie output (1 NAT load)
3.8 Vrms
±10% for Andrea ICS tie output
ICS Tie
340
±50 mVrms for NAT ICS tie output (1 NAT load)
(AA38-703 only) 1.2
±0.1 Vrms for SuperNAT ICS tie output (1 to 4 SuperNAT
loads)
ICS Tie
340
±50 mVrms for NAT ICS tie output (2 NAT loads)
(AA38-802 only) 1.2
±0.1 Vrms for SuperNAT ICS tie output (1 to 8 SuperNAT
loads)
Impedance / Output
1-4 x 600
Ω or 1-4 x 8 Ω
1-8 x 600
Ω or 1-8 x 8 Ω (AA38-502 and -602 only)
2
±0.2 kΩ for NAT ICS tie line
2
±0.2 kΩ for SuperNAT ICS tie line (AA38-703 and -802 only)
Phones Circuitry Type
Balanced output for high common mode noise rejection
ICS Tie Line Circuitry Type
Single ended
Frequency Response
ICS:
≤3 dB from 350 to 3000 Hz
MIC Input:
≤3 dB from 350 to 3000 Hz
AUX RX Input:
≤3 dB from 350 to 6000 Hz
Distortion
≤10% THD @ rated power output
Audio Noise Level
≤-60 dB from rated output (without signal)
Coupling
≤-50 dB input to output crosstalk
Output Regulation at 400%
≤10% distortion / Δ 3dB max rated output power for 600 Ω output
and 75% of rated load
≤10% distortion / Δ 7dB max rated output power for 8 Ω output