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型號:ATS-5004/AD-8(一拖四紅外U段無線會議話筒)

 

主要特性:

使用UHF740-790MHz頻段,應用PLL頻率合成鎖相環技術,頻率可調,可同時使用多套,不受干擾。

集成中央處理器CPU的總控制,配合數字液晶界面顯示,操作方便,性能出眾。

采用多級窄帶高頻及中頻選頻濾波,充分消除干擾信號。

采用音頻壓縮擴展技術,噪音大大減少,動態范圍加大。

設有回輸嘯叫抑制減弱功能,能有效減少回輸嘯叫。

接收機采用多級高頻放大,具有極高的靈敏度。

多重噪音監測電路,特設單音鎖定TONE-LOCKED系統,使之具有無與倫比的抗干擾特性。

選用極佳晶片及優質零部件,使本機音質極為出色。

空闊最大使用距離100米以上,理想空間使用距離50米。

 

1、接收機綜合性能:

載波頻率:740-790MHz(可調),采用微電腦CPU控制

PLL鎖相環頻率合成技術:4組頻率可選,每組頻率可同時最多使用5套(5*4=20個發射座咪)

頻率穩定性:<±10PPM

動態范圍:>105dB

T.H.D失真:<0.5%

頻率響應:40Hz-18KHz

音頻輸出:平衡輸出:0-600mV不平衡輸出:0-300mV

TONE單音頻率:32K-51.2KHz

直流輸入電壓:DC13.8V 1000mA

S/N信噪比:>105dB

T.H.D失真:<0.5%

頻率響應:40Hz-18KHz

雜訊鎖定靜噪控制+音碼導航鎖定靜噪控制

 

2.會議麥克風發射器指標:

◆采用鎖式牢固接插分離結構,確保了高可靠的穩定性能

輸出功率:高功率30mW;低功率3mW

雜散抑制:-60dB

供電:兩節AA電池

使用時間:30mW時大于10個小時

3mW時大于15小時

使用電池:2節AA電池-可連續使用約8小時可直接充電

可搭配咪座顏色:

友情鏈接:
電話:86+020-36776503    傳真:86+020-36776509    地址:廣州市白云區西槎路聚源街50號D1區1棟5層
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