Northern Airborne Technology AMS43, Инструкция по установке и эксплуатации

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AMS43 Single Channel Audio Controller Manual SM59 Rev. 4.00
Page 1-2 Nov 10, 2003
ENG-FORM: 800-0107.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
1.4 Specifications
1.4.1 Electrical Specifications
Input Power 27.5 Vdc Nominal 0.50 A Max.
Lighting 27.5 Vdc @ 160 mA
Alert Power 27.5 Vdc Nominal 150 mA Max.
Input Signals:
Quantity 13 receive channels
7 mic channels
1 ICS tie channel
2 direct channels
Audio level 2.5 Vrms for receiver inputs
0.25 Vrms for mic inputs
0.34 Vrms for ICS tie input
2.5 Vrms for direct audio inputs
Impedance 1 k
Ω ±
10% for receive inputs
1 k
Ω ±
10% for mic inputs
1.8 k
Ω ±
10% for ICS tie input
1.3 k
Ω ±
10% for Direct Audio1 input
100
Ω ±
10% for Direct Audio 2 input
Circuitry Type All are single ended inputs.
Coupling <-50 dB
Key lines Pilot & copilot transmit PTT
Rear hand mic transmit PTT
Pilot & copilot ICS PTT
3 Alerts - active low
Output Signals:
Quantity 6 Headset outputs
6 Transmitter mic outputs
5 Transmitter keyline outputs
Rated level:
Headset 7.7 Vrms or 100 mW (20 dBm) into 600
Ω
Direct Audio1 10 mW (10 dBm) into 600
Ω
Direct Audio 2 0.1 mW (-10 dBm) 0.25 Vrms into 600
Ω
Alert 90 mVrms
±
10% into 600
Ω
Impedance 65
Ω
Max
Circuitry Type Single-ended, except for phones, which are
balanced.