Specifications - Kenwood NX-300 Service Manual
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Also See for NX-300:
- Service manual (108 pages) ,
- Operating instructions (2 pages) ,
- Function reference (608 pages)
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NX-300
GENERAL
Frequency Range ............................................. 400~470MHz
Number of Channels ........................................ 512
Zones ............................................................... 128
Max. Channels per Zone .................................. 250
Channel Spacing .............................................. Analog: 12.5/25 kHz Digital: 6.25/12.5 kHz
Operating Voltage ............................................ 7.5V DC ± 20%
Battery Life (with KNB-47L) ............................. 5-5-90 duty cycle: More than 11 hours
Operating Temperature Range ........................ –30°C~+60°C
Frequency Stability .......................................... ±1.0ppm
Antenna Impedance ........................................ 50Ω
Dimensions (W x H x D) .................................. 58 x 127.5 x 41.3 mm
(Projections not included)
Weight
Radio only ................................................... 250g
with KNB-47L ............................................. 375g
RECEIVER
Sensitivity ........................................................ Digital @6.25kHz (3% BER): 0.25µV
Adjacent Channel Selectivity (Analog) ............. 25kHz: 72dB 12.5kHz: 65dB
Intermodulation (Analog) ................................. 70dB
Spurious Response Rejection (Analog) ............ 70dB
Audio Distortion ............................................... Less than 3%
Audio Output ................................................... 500mW/8Ω
TRANSMITTER
RF Power Output ............................................. 5W/1W
Modulation Limiting (Analog) ........................... ±5.0kHz at 25kHz ±2.5kHz at 12.5kHz
Spurious Emission ........................................... –36dBm ≤ 1GHz, –30dBm > 1GHz
FM Noise (Analog) ........................................... 25kHz: 45dB 12.5kHz: 40dB
Modulation Distortion ...................................... Less than 3%
Modulation ....................................................... Analog @25kHz: 16K0F3E Analog @12.5kHz: 8K50F3E
Analog measurement made per TIA/EIA 603 and specifi cations shown are typical.
KENWOOD reserves the right to change specifi cations without prior notice or obligation.
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SPECIFICATIONS
10-10-80 duty cycle: More than 7 hours
Digital @12.5kHz (3% BER): 0.32µV
Analog @12.5kHz (12dB SINAD): 0.32µV
Analog @25kHz (12dB SINAD): 0.28µV
Digital @12.5kHz: 8K30F1E Digital @6.25kHz: 4K00F1E
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