Northern Airborne Technology AA24 - Manual (Page 11)

SM18 Rev. 4.00 AA24/AA25 Series Single User Audio Controller Manual
Output signals:
Transmitter audio lines Non-adjustable, microphone connected directly
to radio. (mic bias supplied by radio)
Transmitter key lines Hard ground output (relay contacts 1 amp.
max.)
Green L.E.D. annunciator
Intercom line 340 mVrms into 2 k ohms
(freq. response +/- 6 db from 250 to 4000 Hz)
Headset output 200 mW max. into 600 ohms (floating output)
300 mW max. into 150 ohms
Receive channel freq. response +/- 6 dB from 300 to 5000 Hz
Intercom channel freq. response +/- 6 dB from 500 to 3100 Hz
Sidetone channel freq. response +/- 6 db from 225 to 5000 Hz
Direct input freq. response +/- 6 db from 275 to 3100 Hz
Distortion <2% THD
Isolation /crosstalk >60 db min.
Signal/noise ratio 70 db min.
1.4.2 Physical Specifications
AA24 AA25
Height 1.49" 37.8 mm 2.62" 66.7 mm
Depth (max.) 7.55" 191.8 mm 7.44" 188.8 mm
Depth behind panel 5.84" 148.3 mm 5.83" 148.0 mm
Width (max.) 5.75" 146.0 mm 5.75" 146.0 mm
Width behind panel 4.9" 124.5 mm 4.9" 124.5 mm
Weight 1.2 lbs 500 g 1.5 lbs 680 g
Mounting standard Dzus rails standard Dzus rails
Nov 21, 2003 Page 1-3
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.