Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/2672
Title: Tunability of bulk acoustic wave solidly mounted resonators using passive elements : Concept, design and implementation
Authors: Hassan, Moustapha El 
Kerherve, Eric
Deval, Y
David, J.B.
Belot, Didier
Shirakawa, Alexandre.A
Affiliations: Department of Electrical Engineering 
Issue Date: 2011
Part of: International journal of RF and microwave computer aided engineering
Volume: 21
Issue: 5
Start page: 496
End page: 504
Abstract: 
This paper presents the impedance behavior of the bulk acoustic wave solidly mounted resonators (BAW-SMR). Also, it shows the effects of the addition of passive elements (L, C) to this type of resonators. In addition, this article presents a tunable BAW-SMR filter realized in a ladder topology used for the 802.11b/g standard (2.40–2.48 GHz). Mainly, the filter fulfills the requirements for the WLAN 802.11 b/g standard, presenting a measured −3.3 dB of insertion loss, –12.7 dB of return loss and selectivity higher than 33 dB at ±30 MHz of the bandwidth. This tunable BAW-SMR filter has reduced dimensions (1035 × 1075 μm2). Moreover, we show how to shift the center frequency of this tunable filter toward higher and lower frequencies by adding passive elements. Measured shifts of −1.3% of the center frequency (2.44 GHz) toward lower frequency and +0.6% of the center frequency toward higher frequencies are obtained. © 2011 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2011.
URI: https://scholarhub.balamand.edu.lb/handle/uob/2672
DOI: 10.1002/mmce.20554
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Electrical Engineering

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