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    • 3. 发明申请
    • LOW NOISE BLOCK DOWNCONVERTER WITH HIGH ISOLATION
    • 具有高隔离度的低噪声块式转换器
    • US20130214874A1
    • 2013-08-22
    • US13424631
    • 2012-03-20
    • WEN-CHAO SHENWEN-YEN SHENCHENG-NIEN SU
    • WEN-CHAO SHENWEN-YEN SHENCHENG-NIEN SU
    • H01P5/12
    • H01Q1/247H01Q1/521H01Q13/0258H01Q13/0266H01Q21/24
    • A Low Noise Block downconverter (LNB) with high isolation, and more particularly, to a low-noise-block downconverter design for horizontal wave and vertical wave of a linear polarization; wherein, a horizontal probe and a vertical probe are directly set on a printed circuit board to receive the aforesaid waves; a waveguide chamber of the horizontal probe is divided into two chambers, a front chamber and a back chamber; a waveguide chamber of the vertical probe is transversely extended from a side waveguide, and the waveguide chamber of the vertical probe is also divided into two chambers; thereby the horizontal and vertical probe respectively receives the waves when facing to the rear side of the waveguide chambers for separating the horizontal and vertical wave and reducing the coupling of each other; thus, increasing the isolation and preventing the mutual interference of the horizontal and vertical wave.
    • 具有高隔离度的低噪声块下变频器(LNB),更具体地涉及用于线偏振的水平波和垂直波的低噪声块下变频器设计; 其中,水平探针和垂直探针直接设置在印刷电路板上以接收上述波; 水平探针的波导室分为前室和后室两个腔室; 垂直探针的波导腔从侧向波导横向延伸,垂直探针的波导腔也分成两个腔室; 因此水平和垂直探头在面向波导腔室的后侧时分别接收波浪,用于分离水平和垂直波,并减少彼此的耦合; 从而增加隔离度,防止水平和垂直波的相互干扰。