Northern Airborne Technology AA30-3xx - Manual (Page 8)

AA30-301 Expansion Panel Manual SM74 Rev. 4.10
Input Signals
Description Q'ty Level Impedance Circuitry Type
Receiver Audio (J101)
COM1 RX IN
COM2 RX IN
COM3 RX IN
COM4 RX IN 4 Rated:
5.5 Vrms
Range:
0.8 to 8.0 Vrms
2.1 kΩ audio, unbalanced
Transmitter Mic (J102)
COM MIC IN 1 250 mVrms
nominal
n/a direct connection
through switch
contact
Transmitter Key (J102)
COM KEY IN 1 1 A max. n/a direct connection
through switch
contact
Output Signals
Description Q'ty Level Impedance Circuitry Type
Receiver Audio (J101)
RX AUDIO OUT 1 Rated:
4.0 Vrms
[27 mW]
Output: 100 Ω
Rated Load:
600 Ω
audio, unbalanced
Transmitter Mic (J102)
COM1 MIC OUT
COM2 MIC OUT
COM3 MIC OUT
COM4 MIC OUT 4 n/a n/a direct connection,
switch contact
Transmitter Key (J102)
COM1 KEY OUT
COM2 KEY OUT
COM3 KEY OUT
COM4 KEY OUT 4 n/a n/a direct connection,
switch contact
1.4.1.1 Audio Performance (TSO-C139 and RTCA/DO-214 Class Ib)
Applicable to serial numbers 3001 and above.
Audio Frequency Response ≤3 dB variance, 300 to 5500 Hz
Spurious Response ≥50 dB below Rated Output Power
Distortion ≤10% at Rated Output Power
≤3% THD+N at 10% Rated Output Power
Output Regulation ≤3 dB change
Page 1-2 Oct 16, 2006
ENG-FORM: 800-0108.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.