詳細(xì)介紹
一、主要功能
1、一般語音通話
2、遇險(xiǎn)緊急和安全通信、船舶操作的要求,公共業(yè)務(wù)通信
3、數(shù)字選擇性呼叫(DSC)系統(tǒng)
遇險(xiǎn)緊急呼叫
(選呼)對(duì)某一船的呼叫
(群呼)對(duì)某一船隊(duì)的呼叫
(全呼)對(duì)所有船的呼叫
(海呼)對(duì)某一海域船的呼叫
船舶方位(船位動(dòng)態(tài))請(qǐng)求呼叫
DSC部分功能測(cè)試、模擬操作
4、DSC遇險(xiǎn)電文的儲(chǔ)存與讀出(遇險(xiǎn)電文24條,其他電文24條)
5、頻率掃描
6、32個(gè)常用船號(hào)記憶
7、8個(gè)常用群呼碼記憶
8、記憶頻道數(shù)
160個(gè)用戶可設(shè)置
249個(gè)ITU(國際電信聯(lián)盟)SSB(單邊帶)雙工
124個(gè)ITU SSB單工頻道
9、內(nèi)置GPS功能
10、手動(dòng)直接輸入船位信息功能
11、自動(dòng)/半自動(dòng)船舶業(yè)務(wù)
二、技術(shù)指標(biāo)
1、綜合指標(biāo)
1)頻率范圍(單位:MHz)
接收:0.5-29.9999
發(fā)射:1.6-2.9999
4.0-4.9999
6.0-6.9999
8.0-8.9999
12.0-13.9999
16.0-17.9999
18.0-19.9999
22.0-22.9999
25.0-27.5000
2)DSC頻道:2187.5kHz,4207.5kHz
6312.0kHz,8414.5kHz
12577.0kHz,16804.5kHz
3)放射類型:
發(fā)射機(jī):J3E(USB/LSB),H3E
J2B(AFSK)
DSC接收機(jī):J2B
4)記憶頻道數(shù):160個(gè)用戶可設(shè)置,249個(gè)ITU(國際電信聯(lián)盟)SSB(單邊帶)雙工,124個(gè)ITU SSB單工
5)天線接頭:SO-239×2(50Ω)
6)可用溫度范圍:-30℃~+60℃,-22°F~140°F(本機(jī)器只擔(dān)保-20℃~+55℃的范圍)
7)頻率穩(wěn)定性:(-20℃~+55℃,電池連接后近5分鐘)
發(fā)射機(jī):±10Hz
DSC接收機(jī):±10Hz
8)電源:13.8VDC±15%
9)電流消耗
發(fā)射:最大功率時(shí),30A
接收:最大音頻時(shí),2.0A
10)體積
主機(jī):240(長)*70(高)*200(寬)mm
2、發(fā)射機(jī)
輸出功率:150/60W
載波抑制:≤-40dB
無用邊帶抑制:≤-45dB
諧波分量:≤-40dB
寄生分量:≤-60dB
3、接收機(jī)
1)靈敏度
J3E,A1A
30dBuV emf(0.5~1.59999MHz)
13dBuV emf(1.6~1.79999MHz)
8dBuV emf(1.8~29.9999MHz)
J2B
13dBuV emf(1.6~1.79999MHz)
8dBuV emf(1.8~29.9999MHz)
J3E
44dBuV emf(0.5~1.59999MHz)
30dBuV emf(1.6~1.79999MHz)
24dBuV emf(1.8~3.9999MHz)
DSC接收機(jī)靈敏度
20dB時(shí),≤2uV(所有頻道)
2)雜散響應(yīng)抑制率
接收機(jī):大于70dB
DSC接收機(jī):大于60dB
3)總失真系數(shù):≤5%
4)阻塞:≥100dBuV
說明:規(guī)格如有更改,恕不另行通知。
FEITONG MF/HF/DSC : FT-808
?7?4 Main function
? General voice calls ? Distress urgency and safety communications, ship operating requirements, public business communication ? DSC system Distress emergency call Individual call Group call All ships call Sea Area call Ship position request call DSC test ? DSC distress message storage and readout (distress messages 24 , Other message 24) ?Frequency scan ? 32 commonly used ship No. memory ? 8 commonly used group call code memory ? The number of memory channels 160 users can be set 249 ITU (International Telecommunication Union) SSB (SSB) duplex 124 ITU SSB simplex channels? Built-in GPS functionality? Manually enter the ship's position information function? Automatic / semi-automatic ship business
?7?4 Technical Specifications 1、Overall Specifications ? Frequency range (unit: MHz) Receiver:0.5-29.9999Transmitter: 1.6-2.9999 4.0-4.9999 6.0-6.9999 8.0-8.9999 12.0-13.9999 16.0-17.9999 18.0-19.9999 22.0-22.9999 ? DSC Channel: 2187.5kHz,4207.5kHz 6312.0kHz,8414.5kHz 12577.0kHz,16804.5kHz ? Emission type: Transmitter:J3E(USB/LSB),H3E J2B(AFSK) DSC Receiver:J2B ? The number of memory channels: 160 users can be set,249 ITU SSB Duplex,124 ITU SSB Simplex ? Antenna connector:SO-239×2(50Ω)? Operating temperature range::-30℃~+60℃,-22°F~140°F This Unit is only warranty secured a range of -20 ℃ ~ +55 ℃)? Frequency Stability: (-20℃~+55℃,The battery is connected , after five minutes) Transmitter:±10Hz DSC Receiver:±10Hz?Power supply:DC 13.8V ±15%? Current consumption Transmitter : maximum power,30A Receiver : maximum audio 2.0A?Dimensions Main unit:240(L)*70(H)*200(W)mm
?7?4 Transmitter? Output power:150 / 60W? Carrier suppression:- 40dB? Unwanted sideband suppression:- 45dB?Harmonic component:- 40dB? Parasitic components:- 60dB
?7?4 Receiver? Sensitivity J3E,A1A 30dBuV emf(0.5~1.59999MHz) 13dBuV emf(1.6~1.79999MHz) 8dBuV emf(1.8~29.9999MHz) J2B 13dBuV emf(1.6~1.79999MHz) 8dBuV emf(1.8~29.9999MHz) J3E 44dBuV emf(0.5~1.59999MHz)30dBuV emf(1.6~1.79999MHz) 24dBuV emf(1.8~3.9999MHz) DSC Receiver Sensitivity When 20dB,≤ 2uV(all channels)?Spurious response : Receiver: ≥ 70dB DSC Receiver:≥ 60dB? Total distortion factor:≤ 5%? Block :≥ 100dBuV
MF/HF/DSCMODEL : FT-808
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