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 addi6 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
