Nexus 21 Marine NX1000 Manuel D’Utilisation
VHF NX1000
17
• Modulation system: Variable reactance frequency modulation
• Adjacent channel power: 70 dB
• Spurious emissions: Less than 0.25 μW
• Frequency Deviation: 5 KHz max peak
• Audio Frequency Response: +1/ -3dB of +6dB/octave Pre-
emphasis 300-3000Hz
• Adjacent channel power: 70 dB
• Spurious emissions: Less than 0.25 μW
• Frequency Deviation: 5 KHz max peak
• Audio Frequency Response: +1/ -3dB of +6dB/octave Pre-
emphasis 300-3000Hz
8.3 Receiver
•
• Receive system: Double-conversion super-heterodyne •
• IF Frequency Used: 21.7MHz; 450 KHz •
• Sensitivity (20 dB SINAD): +6 dBμ EMF (typical) •
• Squelch sensitivity (at threshold): 0 dBμ EMF (typical) •
• Inter-modulation rejection ratio: ≥68 dB •
• Spurious response rejection ratio:≥ 70 dB •
• Adjacent channel selectivity: ≥70 dB •
• Audio Frequency Response: +1/ -3dB of +6dB/octave Pre -
emphasis 300-3000Hz •
• Audio output power: 0.2 W at 10% distortion with An 8 Ω load
• IF Frequency Used: 21.7MHz; 450 KHz •
• Sensitivity (20 dB SINAD): +6 dBμ EMF (typical) •
• Squelch sensitivity (at threshold): 0 dBμ EMF (typical) •
• Inter-modulation rejection ratio: ≥68 dB •
• Spurious response rejection ratio:≥ 70 dB •
• Adjacent channel selectivity: ≥70 dB •
• Audio Frequency Response: +1/ -3dB of +6dB/octave Pre -
emphasis 300-3000Hz •
• Audio output power: 0.2 W at 10% distortion with An 8 Ω load