供应船用HX2600型航行警告接收机NAVTEX
一般要求

接收频率
   518KHz、490KHz、4209.5KHz、486KHz
可接收通道
   双通道(即一个接收机工作在518KHz通道,另一个接收机可以在490KHz/4209.5KHz、486KHz之间切换)。

灵敏度
   有用信号电平在-107dBm时,误码率＜4%
选择性抗干扰性能
   阻塞抑制比:按照IEC61097-6标准规定频率的强信号干扰下,收到有用信号误码率＜4%
   同频干扰抑制比:在同频于(按照IEC61097-6标准)收到有用信号误码率＜4%
   互调:在两个不同干扰源的干扰下(按照IEC61097-6标准规定的频率和电平)收到有用信号误码率＜4%
天线保护
   在天线端加上无调制信号幅度30V(e.m.f)。

   频率范围100kHz～28MHz,15分钟之后设备仍可正常工作。

显示器规格
   800×480点阵154×85.9mm(7英寸彩色屏幕)
信息存储功能
      可存储200条信息,平均每条信息500字符,存储时间为60～72小时。
被标记信息可以保存,用户不可自行删除。

外部接口
      一个打印输出接口。

发声报警
      音量不小于75dBA～85dBA
电源
      12V～24V DC
本技术条件的法规依据
      IMO Resolution MSC 148(77),IEC 61097-6,IEC60945(2002)

General re

Receiving frequency
     518KHz,490KHz,4209.5KHz,486KHz
Receive Channels simultaneously
     Dual-channel(ie,a receiver operating in 518KHz channel, the other receiver can switch between the 490KHz/4209.50KHz,486KHz)
Sensitivity
     Useful in -107dBm signal level ,the bit error rate less than or equal to 4%
Selective anti-jamming performance
     Blocking rejection ratio: In accordance with IEC61097-6 standards for frequency of strong signal interference , the received useful signal bit error rate less than or equal to 4%;Co-channel interference rejection ratio: interfering sources in  the same frequency interference (in accordance with IEC61097-6  standard) received useful information such as number of bit error rate of less than At 4%Intermodlation: At the same time two different sources of interference (in accordance with IEC61097-6 standards for frequency and level) received useful signal error Rate is less than or equal to 4%
Antenna protection
     In the antenna signal with no modulation amplitude emf  30V.
     Frequency range of 100KHz～28MHz,15 minutes after the device can still work
Display Specifications
     240×128 dot matrix 144mm×104mm
Information storage
     Can store 200 messages, with an average of 500 characters each message, the storage time is 60～72 hours. Information can  be  stored  permanently  marked  with  users  can  not manually delete them.
External Interface
     A print output
Andible alarm
     Volume of not less than 75dBA～85dBA
Power
     12V～24VDC
      The method according to technical re of the regulations IMO Resolution MSC148(77).IEC 61097-6,IEC60945(2002)