研究目的
Investigating the use of an aperture coupled feeding technique on multi-layer PCB for a Ku-band phased array antenna system to overcome the limitations of the direct via feed method in high-frequency bands.
研究成果
The proposed aperture coupled feeding antenna on multi-layer PCB for Ku-band phased array systems demonstrates good performance with LHCP at a center frequency of 11.9GHz and a peak gain of 15.2dBic. This design offers advantages for various applications of phased array antenna systems by overcoming the limitations of direct via feed methods in high-frequency bands.
研究不足
The complexity of fabrication due to the use of blind vias increases, potentially reducing production yield and increasing costs. The discontinuity in microstrip line-to-line transitions at high frequencies can lead to a reduction in signal transmission characteristics.
1：Experimental Design and Method Selection:
The study introduces an aperture coupled feeding technique for a Ku-band phased array antenna system on multi-layer PCB to address the limitations of direct via feed methods.
2：Sample Selection and Data Sources:
An antenna prototype is developed and measured at Ku-band for satellite applications.
3：List of Experimental Equipment and Materials:
The antenna consists of two stacked substrates, with the upper substrate being Taconic TLY-5 and the lower substrate a multi-layer PCB.
4：Experimental Procedures and Operational Workflow:
The design and analysis of the antenna are presented, followed by the implementation and measurement of a 4x4 array antenna.
5：Data Analysis Methods:
The performance of the antenna is evaluated based on its impedance bandwidth, axial ratio bandwidth, efficiency, and LHCP gain.
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