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Multi-Way and Poly-Phase Wideband Differential Phase Shifter Based on Metamaterial Technology

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Hamidia, A, Honarvar, M. Amin and Virdee, Bal Singh (2019) Multi-Way and Poly-Phase Wideband Differential Phase Shifter Based on Metamaterial Technology. AEU - International Journal of Electronics and Communications / Archiv fur Elektronik und Ubertragungstechnik, 110. pp. 1-7. ISSN 1434-8411

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Abstract

This paper presents multi-way and poly-phase differential phase shifter (DPS) based on metamaterial technology to realize delay lines of equal length. The proposed phase shifter provides the required phase shift relative to the reference line over a wide bandwidth. Several DPS phase shifter designs were fabricated and tested to verify their performance. Measured results show that the proposed phase shifter has phase deviation of less than ±4° and return-loss better than 10-dB with an insertion-loss of less than 1 dB across 2.2 to 4.4 GHz.

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