Northern Airborne Technology NTX403 - Manual (Page 11)

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 µV (-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/octave +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.