Northern Airborne Technology NPX136D - Manual (Page 7)

NPX136D Series Panel Mount P25 VHF Transceiver
SM68 Installation and Operation Manual
Section 1 Rev: 1.00
Issue 4 Page 1-3
ENG-FORM: 800-0115.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
1.4.4 Transmitter
Carrier Output Power 1 or 10 W ±1 dB
Time-out Timer 30-300 s (Factory Set to 60 s)
Duty Cycle 20% (1 min Tx, 4 min Rx.)
VSWR 20:1 (30 sec duration - undamaged)
Transmitter Stability into VSWR (3:1):
Spurious Output ≤ -13 dBm
Rated Deviation ±5.0 kHz (25 kHz BW)
±2.5 kHz (12.5 kHz BW)
Carrier Frequency Stability ±2.5 ppm
Conducted Spurious Emissions ≤-20 dBm
Adjacent Channel Power ≤-70 dBc (25 kHz BW)
FM Hum and Noise ≥40 dB (25 kHz BW)
≥34 dB (12.5 kHz BW)
Microphone Input Impedance 150 Ω ±20 %
Audio Frequency Response 300 – 3000 Hz, Standard: EIA Std. +6 dB
(+1/-3 dB) / oct pre-emphasis.
300 – 500 Hz, Standard with an additional +6 dB/oct
permitted.
2500 – 3000 Hz, Standard with an additional -6 dB / oct
permitted.
Audio Distortion 4% typical (10% max.)
Audio Input Sensitivity 100 mV rms (60% of rated deviation)
Sidetone Audio Level 25 mW (Adjustable)
Transmitter CTCSS Tone Deviation 475 ± 125 Hz (12.5 kHz BW)
750 ± 250 Hz (25 kHz BW)
Carrier Attack Time/Duration ≤100 ms
1.4.5 Physical Specifications
Height 2.65" (67.2 mm) max
Depth behind panel 7.02" (178.2 mm) not including connectors
Width 5.77" (146.6 mm), 4.97" behind panel
Weight 3.2 lbs. (max.)
Mounting Four standard Dzus-rail fasteners
Connectors One 25-pin male D-sub, with JVL locking hardware.
One 15-pin male D-sub, with JVL locking hardware
(reserved). One BNC female RF connector