產(chǎn)品特點
B類甚高頻數(shù)字選呼船用電臺VHF Radio (Class B DSC)HX2010含證書
一般要求
輸入電源為DC 12V(+30/-10%)
發(fā)射機(jī)部分
發(fā)射功率25W，可手動選擇低至1W
發(fā)射音頻諧波失真≤10％
音頻響應(yīng)+1/-3dB of +6dB/octave
交流噪聲≤-40dB
頻偏最大±5KHz
寄生輻射≤0.25μW
電流消耗:25W時5A
接收機(jī)部分
頻率范圍156.025MHz～163.275MHz
第一中頻21.7MHz，第二中頻450KHz
信納比為20dB時最大可用靈敏度≤0.4μV
鄰頻道選擇性≥70dB
寄生響應(yīng)抑制≥70dB
互調(diào)抑制≥68dB
寄生發(fā)射抑制≤2nW
電流消耗:最大音頻輸出時0.9A；待機(jī)時0.3A
音頻響應(yīng)+1/-3dB of +6dB/octave
交流噪聲≤-40dB
10％音頻失真時輸出功率內(nèi)置揚聲器2W，外置揚聲器3.5W
70頻道接收部分
能夠連續(xù)值守在70頻道
接收頻率156.525MHz
接收模式16K0G2B
字符錯誤率為10-2，最大可用靈敏度≤0.6μv
第一中頻17.9MHz, 第二中頻455KHz
鄰頻道選擇性≥70dB
寄生響應(yīng)抑制≥70dB
互調(diào)抑制≥68dB
寄生發(fā)射抑制≤2nW
數(shù)字選擇呼叫部分
HX2010符合lTU-RM.493-13中關(guān)于DSC系統(tǒng)的規(guī)定。
能夠編碼和解碼DSC電文。
能夠手動編寫DSC電文內(nèi)容。
能夠存儲20條呼叫的自識別號碼(MMSI)及聯(lián)系名。
能夠自動對DSC電文進(jìn)校驗。
General requirements:
The input is DC 12V (+30 / -10%)
Transmitter section
Transmission power 25W, you can manually select as low as 1W.
Transmission audio harmonic distortion ≤10%.
Audio Response +1/-3dB of +6dB/octave.
AC Noise ≤-40dB
The maximum deviation± 5KHz.
Parasitic radiation ≤0.25μW.
When current consumption 25W 5A.
Receiver section
Frequency range: 156.025MHz～--163.275MHz.
The first IF 21.7MHz, the second IF 450KHz.
Noise by 20dB when the maximum available for the sensitivity of≤0.4μV.
Adjacent Channel Selectivity ≥70dB.
Spurious response suppression ≥70dB
Intermodulation suppression ≥68dB
Spurious emission suppression ≤2nW
Maximum current consumption of the audio output 0.9A; standby 0.3A
Audio response +1/-3dB of +6dB/octave
AC Noise ≤-40dB
10% audio distortion when the output power of built-in speaker 2W, external speaker 3.5W
70 channel receiver section
Continuous duty to 70 channels
Receiving frequency 156.525MHz
Receive mode 16K0G2B
Yu-character error rate of 10-2, the maximum usable sensitivity≤0.6μv
The first IF 17.9MHz, the second IF 455KHz
Adjacent Channel Selectivity≥70dB
Spurious response suppression≥70dB
Intermodulation suppression≥68dB
Spurious emission suppression≤2nW
Digital selective calling section
HX2010 meet lTU-RM.493-13 on DSC system requirements
DSC can encode and decode messages
DSC can manually write the message content
Can store 20 calls from the identification number (MMSI) and contact name
Automatically into the calibration of the DSC message
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