Narrowband surface-acoustic-wave filters in RF identification systems

Bagdasaryan, A.S.; Gulyaev, Yu. V.; Никитов, С. А.; Bagdasaryan, S. A.; Sinitsyna, T. V.; Butenko, V. V.; Mashinin, O.V.; Praporshchikov, V. V.

doi:10.1134/s1064226908070164

J. Commun. Technol. Electron.

2008

DOI: 10.1134/s1064226908070164

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Narrowband surface-acoustic-wave filters in RF identification systems

A.S. Bagdasaryan¹,

Yu. V. Gulyaev²,

С. А. Никитов³

et al.

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Cited by 3 publications

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A novel narrowband MEMS filter with extensional mode resonators

Wu,

Zhao,

Wang

et al. 2024

Microelectronics Journal

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A novel narrowband MEMS filter with extensional mode resonators

Wu,

Zhao,

Wang

et al. 2024

Microelectronics Journal

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A mechanically coupled MEMS filter with high-Q width extensional mode resonators

Wang,

Liu,

Zhao

et al. 2024

J. Semicond.

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This work presents a novel radio frequency (RF) narrowband Si micro-electro-mechanical systems (MEMS) filter based on capacitively transduced slotted width extensional mode (WEM) resonators. The flexibility of the plate leads to multiple modes near the target frequency. The high Q-factor resonators of around 100 000 enable narrow bandwidth filters with small size and simplified design. The 1-wavelength and 2-wavelength WEMs were first developed as a pair of coupled modes to form a passband. To reduce bandwidth, two plates are coupled with a λ-length coupling beam. The 79.69 MHz coupled plate filter (CPF) achieved a narrow bandwidth of 8.8 kHz, corresponding to a tiny 0.011%. The CPF exhibits an impressive 34.84 dB stopband rejection and 7.82 dB insertion loss with near-zero passband ripple. In summary, the RF MEMS filter presented in this work shows promising potential for application in RF transceiver front-ends.

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Surface-acoustic-wave filters with a high input power for a nominal frequency of 2170 MHz for communication systems and radar and telecommunications equipment

Никитов

Bagdasaryan

Kondratev³

et al. 2016

J. Commun. Technol. Electron.

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Narrowband surface-acoustic-wave filters in RF identification systems

Cited by 3 publications

References 5 publications

A novel narrowband MEMS filter with extensional mode resonators

A novel narrowband MEMS filter with extensional mode resonators

A mechanically coupled MEMS filter with high-Q width extensional mode resonators

Surface-acoustic-wave filters with a high input power for a nominal frequency of 2170 MHz for communication systems and radar and telecommunications equipment

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