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• Published Subscription 16 Feb 2021

  Compact Circularly Polarized Patch Antenna with U-Slot and Defected Ground

  By Shailja Tripathi, PK Singhal

  Abstract: A compact single-feed circularly polarized (CP) patch antenna at L-band is designed. The antenna contains a U-slot and is designed with DGS technique to reduce the size of antenna. With the presence of the U-slot, the antenna fabricated on a high-dielectric-constant (10.2) substrate achieves a reasonable axial-ratio bandwidth. The operating frequency is 1.521 GHz. The measured gain is 2.5 dBi, and bandwidth is 86.8 MHz.

  Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 3, 2015 · pp. 16–20 Read article →