Multi layers THz duplexer based on combined graphene patterns

Khani, Amir Ali Mohammad; Fouladian, Majid; Mazloum, Jalil

doi:10.1016/j.ssc.2022.114974

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Cited by 4 publications

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“…I n wireless communication system, the duplexer is one of the key components in selecting channels, synthesizing signals, and separating frequencies. In recent years, it has been increasingly used in modern high-speed wireless systems such as GSM, CDMA, and UMTS-WCDMA [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

A High Performance Duplexer Based on Dual-mode E-type Resonator

Liu,

Li,

et al. 2024

PIER Letters

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A novel compact planar duplexer is proposed. It consists of three dual-mode E-shaped microstrip resonators and works well on the WCDMA system with uplink band of 1940 MHz-1955 MHz and downlink band of 2130 MHz-2145 MHz. The high rectangular coefficient of the duplexer makes its frequency selectivity high, and its small size is convenient for further miniaturization. In the product test, the duplexer is found to meet the band requirements very well with high isolation levels of −44 dB and −48 dB at the first and second frequency centers, respectively, which are better than those with similar frequency bands in the references.

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