Northern Airborne Technology NTA01-001 - Manual (Page 9)

SM71 Rev. 4.10 NTA01-001 Motorola Series Radio Adapter Manual
Output Signals
Mic Output to radio:
Level
150 mVrms ±10% into 150 Ω
Output Type Balanced
Receive Audio Output to audio control panel:
Receive Audio Level 100 mW into 600 Ω nominal
Sidetone Audio Level 25 mW into 600 Ω nominal
Output Type Balanced
Frequency Response
<3 dB from 350 Hz to 6000 Hz
Distortion
<10% @ rated output
Noise Level Without Signal
>50 dB down from rated output
Receive Audio Output Regulation <10% variation when the load is changed to
75% and 400% of the rated load
Relay Contacts 1 A @ 30 Vdc max. (Closed when keyline active)
Bi-directional Signals
RF Input/Output Impedance
50 Ω
Floating lines that pass through the NTA01-001 to the Radio:
Lines from J1 to J104:
Lines from J2 to J102:
RESET CTS-RS232
A+ EMER
DIG GND N/C SPARE
SW B+ SW B+
BUSY N/C SPARE
BUS + SPKR HI
BUS – SPKR LO
BUS SHIELD DIG GND
ANA GND BUSY
RADIO ON/OFF BUS –
N.O. CONTACT RX-RS232
WIPER N/C SPARE
TX-RS232
BUS +
RTS-RS232
Feb 6, 2006 Page 1-3
ENG-FORM: 800-0108.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.