Broadband Dolph-Chebyshev Array Synthesized by Slow-Wave Transmission Line

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2021, 00, pp. 375-376
Issue Date:
2021-02-17
Full metadata record
A broadband, low sidelobe level (SLL), microstrip array excited with a Dolph-Chebyshev distribution that is implemented with a periodic-stub loaded slow-wave transmission line (SW-TL) feed network is presented. The desired Dolph-Chebyshev excitation of the uniformly spaced microstrip array is achieved simply by modulating the widths of the stubs along the SW-TL feed network. Simulated results demonstrate that the array is low profile, 0.023λ0 in height, has a broad fractional bandwidth, 9.7%, and exhibits SLLs as low as -30dB.
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