THIẾT BỊ ĐIỆN TỬ HÀNG HẢI >> VHF
VHF Hàng hải M304
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SPECIFICATIONS
• Frequency range : Tx 156.025–157.425MHz Rx 156.050–163.275MHz
• Usable channels : USA, CAN, INT, WX channels
• Type of emission : 16K0G3E, 16K0G2B
• Power supply : 13.8V DC ±15%
• Current drain : Tx 5.5A (at 25W output) (at 13.8V DC) Rx 1.5A (at AF max.)
• Operating temperature range: –20°C to +60°C; –4°F to +140°F
• Antenna impedance : 50Ω (SO-239)
• Dimensions (W×H×D, projections not included): 153×67×133mm ; 61⁄32×25⁄8×51⁄4 in.
• Weight (approx.) : 825g; 1.8lb
• NMEA formats : NMEA version 2.0 or 3.01 RMC, GGA, GNS, GLL
• Output power : 25W or 1W (at 13.8V DC)
• Modulation system : Variable reactance frequency modulation
• Max. freq. deviation : ±5kHz
• Frequency error : ±10ppm
• Spurious emissions : Less than –70dBc (at 25W)
• Adj. channel power : More than 70dB
• Audio harmonic distortion: Less than 10% (at 60% dev.)
• Residual modulation : More than 40dB
• Intermediate freq. : 1st 21.7MHz, 2nd 450kHz
• Sensitivity : 0.22μV typical at 12dB SINAD
• Squelch sensitivity : Less than 0.22μV
• Adj. Ch. selectivity : More than 70dB
• Spurious response : More than 70dB
• Intermodulation : More than 70dB
• Hum and noise : More than 40dB
• Audio output power : 4.5W typical at 10% distortion
Nguồn : Công ty cổ phần Điện tử Hàng hải
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29/05/2014 | 25/06/2014 |
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