Northern Airborne Technology NPX138, Installation And Operation Manual

Page: 15 / 53

SM41 Rev. 4.00 NPX138 Panel Mount Radio Manual
1.4.3 Transmitter
RF power output 1 W/10 W Selectable
RF input/output impedance
50
Ω
nominal
Rated System Deviation
NPX138 (all models) ± 5.0 kHz max, limited
NPX138N (all models)
Wideband ± 5.0 kHz max, limited
Narrowband ± 2.5 kHz max, limited
Microphone Audio Sensitivity 100 mVrms into 150
Ω
for 60% of rated system
deviation
Conducted spurious emissions
High power -64 dBc
Low power -55 dBc
Carrier frequency stability
±0.0003 %
FM hum and noise ratio
>40 dB
AM hum and noise ratio
>35 dB
Distortion
<4 %
1.4.4 Physical Specifications
Height 1.88 inches (47.7 mm)
Overall depth
8.64 inches (219.5 mm)
Depth behind panel
7.66 inches (194.6 mm)
Width
5.75 inches (146.1 mm)
Weight
3.0 lbs. (1.4 kg)
Mounting
Std. Dzus mounting (4 fasteners)
Connector type
25 pin D-subminiature male (pins)
Antenna connector
BNC female
Nov 10, 2003 Page 1-3
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.