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Substrate integrated waveguide bandpass filter for VSAT downlink

机译:VSAT下行链路的基板集成波导带通滤波器

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Very Small Aperture Terminal (VSAT) is a transceiver station that is used to exchange information via satellite. VSAT uses frequencies that consist of uplink and downlink frequency, where the uplink frequency is greater than the downlink frequency. Uplink frequency is in a range of 5.925-6.425 GHz while the downlink frequency is at 3.7-4.2 GHz. In this research, a substrate integrated waveguide bandpass filter is designed on VSAT downlink frequency. The simulation shows good performances between 3.7-4.2 GHz of 11% fractional bandwidth. In the middle frequency, the return loss (S11) is 17.76 dB and the insertion loss is 1.02 dB (S21). While on the measurement result gives 3.871 dB for insertion loss (S21) value and 30.87 dB for return loss (S11) value.
机译:非常小的光圈终端(VSAT)是用于通过卫星交换信息的收发器站。 VSAT使用由上行链路和下行链路频率组成的频率,其中上行链路频率大于下行链路频率。上行链路频率在5.925-6.425 GHz的范围内,下行频率为3.7-4.2 GHz。在该研究中,基板集成波导带通滤波器设计在VSAT下行链路频率上。仿真显示在11 %分数带宽的3.7-4.2 GHz之间显示出良好的性能。在中频,回波损耗(S 11 )为17.76dB,插入损耗为1.02 dB(S 21 )。在测量结果上,提供3.871 dB的插入损耗(S 21 )值,回报损耗为30.87 dB(S 11 )值。

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