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腔體雙工器及其重要性

發布時間:2018-10-09 15:16:47     瀏覽:1853

腔體雙工器是tranceivers(發射器和接收器)中使用的三端口設備,用于將發射器頻帶與接收器頻帶分開。它們在不同頻率下同時工作時共用一個共用天線。雙工器基本上是連接到天線的高通和低通濾波器。

雙工器的發送器部分在功能上與接收器不同,其功能是濾除所生成的發送器邊帶,確保發送器在其分配的頻帶內輻射,并且不會溢出到相鄰的頻率分配中。雙工器的接收器部分用于保護接收器免受發射器過載的影響。雙工器用于所有雙工收發器,涵蓋從高頻到毫波的所有頻段。

例如,在無線通信系統中。雙工器接收1710 mhz至1785 mhz的通帶,a接收1805 mhz至1880 mhz的通帶。為過度擁擠的移動站點提供不尋常的通帶和陷波響應。

應用:雙工器的一個應用是將雙頻移動無線電的兩個天線連接連接到一個公共饋線。

raditek制造30mhz至60ghz的腔式雙工器,功率范圍從毫瓦到千瓦

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