Thiết kế ăng-ten tròn băng tần năm sử dụng khe hình chữ L đảo ngược cho ứng dụng UWB

Journal of Electronic Materials - Tập 52 - Trang 8281-8292 - 2023
Sakshi1, Manisha Bharti1
1Department of Electronics and Communication Engineering, National Institute of Technology Delhi, New Delhi, India

Tóm tắt

Một thiết kế ăng-ten băng tần năm phân cực tròn siêu rộng (PBCP-UWB) được đề xuất cho các ứng dụng UWB. Cấu trúc PBCP-UWB bao gồm một bộ phát tròn với các khe hình chữ L được cấp nguồn bằng một đường dây vi mạch. ăng-ten đề xuất được chế tạo trên nền FR4. Hơn nữa, hiệu suất của ăng-ten PBCP-UWB được phân tích dựa trên các tham số khác nhau bao gồm băng tần phù hợp về trở kháng, tỷ lệ trục phân đoạn và hiệu suất bức xạ. ăng-ten đề xuất cung cấp băng tần tỷ lệ trục phân đoạn là 17,75% (3,81–4,53 GHz), 0,2% (6,91–7,05 GHz), 3,9% (9,29–9,66 GHz), 0,744% (10,71–10,79 GHz) và 1,671% (18,40–18,71 GHz), trong khi băng tần phù hợp về trở kháng là 170%. Ưu điểm chính của ăng-ten PBCP-UWB được đề xuất là thiết kế đơn giản, mang lại hiệu suất bức xạ tốt. Kết quả đo cho ăng-ten đã chế tạo được tìm thấy tương tự như các kết quả mô phỏng.

Từ khóa

#ăng-ten PBCP-UWB #ứng dụng UWB #băng tần phân cực tròn #hiệu suất bức xạ #trở kháng phù hợp

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