Northern Airborne Technology AMS50 - Manual (Page 15)

SM50 Rev. 4.00 AMS50-000 Stereo Audio Panel Manual
Performance/Function
TSO-C50c RTCA DO-170 Class II
Rated Output Power 40 mW into 300 Ω (each phone channel)
Rated Speaker Output Power 7 W into 4 Ω (3.5 W into 8 Ω)
2 W into 4 Ω @ 13.8 Vdc power
Audio freq. response:
Receive < 3 dB from 350 - 6000 Hz
Intercom < 3 dB from 350 - 3000 Hz
Music < 3 dB from 50 - 15000 Hz
Speaker < 3 dB from 450 – 6000 Hz
Distortion: < 10% at rated power
Input - Input crosstalk: > 30 dB
Input - Output crosstalk: > 50 dB
Input - Mic crosstalk: < 1.0 mVrms
Audio noise: < -50 dB
Output Regulation: < 3 dB output power variance < 10% THD
Audio Communication: Loud & Clear
ICS Volume controls: 40 ± 5 dB
Receive Input impedance: 510 Ω ± 5%
Mic Input impedance: 150 Ω ± 5%
Music Input impedance: 610 Ω ± 5% and 3.5 kΩ ± 10%
Marker Beacon
TSO-C35d Class A
Receiver Frequency: 75 MHz
Sensitivity:
Lo 1000 µV
Hi 200 µV
Selectivity: 6 dB (min.) @ ± 10 kHz
40 dB (max.) @ ± 200 kHz
Input Impedance: 50 Ω (ohm)
Lamp Output: 400 Hz Blue indicator marked ‘O’ (Outer)
1300 Hz Amber indicator marked ‘M’ (Middle)
3000 Hz White indicator marked ‘A’ (Airways)
External lamps: Active Lo 125 mA max. sink current.
Nov 12, 2003 Page 1-3
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.