SM64 Rev. 4.00
NTX403 Series Remote Mount UHF-FM Transceiver
Manual
Audio Distortion
≤
5% THD
FM Hum/Noise Ratio
≤
31 dB (Narrowband),
≤
37 dB (Wideband)
Carrier Attack Time
≤
100 ms maximum
Sidetone Level
35
±
15 mW nominal
1.4.2.2
Receiver
Reference Sensitivity
≤
0.50
µ
V (-113 dBm)
Conducted Spurious
≤
-87dBm
Adjacent Channel Rejection
≥
60 dB (Narrowband),
≥
70 dB (Wideband)
Spurious Rejection
≥
70 dB,
≥
65 dB at mixer spurious
Intermodulation Rejection
≥
70 dB
Audio Output Power
100
±
10 mW into 600
Ω
Frequency Response
+6 dB/1/-3 dB de-emphasis (EIA STD)
Hum and Noise Ratio
Unsquelched:
≥
34 dB min. (Narrowband)
≥
40 dB min. (Wideband)
Squelched:
≤
-70 dBW
Audio Distortion
≤
5% THD
Rx Attack Time
≤
150 ms maximum
Rx Closing Time
≤
250 ms maximum
1.4.3 Physical
Specifications
Height
5.22"
(132.6
mm)
Depth
10.75" (273 mm) not incl. connectors
Width
2.23" (56.6 mm)
Weight
4.5 lbs. (2.0 kg) max
Mounting
Custom NAT ¼ ATR tray (NTX-VT1)
Material/Finish 6061-T6
brushed aluminum with black powder
coat
Connectors
One male 25-pin D-sub filtered with locking
tabs, and one BNC female
Apr 19, 2005
Page 1-3
ENG-FORM: 800-0107.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
