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https://doi.org/10.1109/APMC.2013.6694839
Title: | Wideband bandpass filters with high passband selectivity using SAW-like resonators | Authors: | Lu, X. Mouthaan, K. Soon, Y.T. |
Keywords: | bandpass filters (BPFs) high selectivity SAW resonators wideband |
Issue Date: | 2013 | Citation: | Lu, X.,Mouthaan, K.,Soon, Y.T. (2013). Wideband bandpass filters with high passband selectivity using SAW-like resonators. Asia-Pacific Microwave Conference Proceedings, APMC : 485-487. ScholarBank@NUS Repository. https://doi.org/10.1109/APMC.2013.6694839 | Abstract: | A wideband bandpass filter (BPF) using two cascaded sections, each consisting of a SAW-like resonator and one or two transmission lines, is proposed. The lower and higher transitions of the passband are separately defined by the SAW-like resonators. The roll-off at the band edges can be controlled by properly designing the SAW-like resonators to achieve a highly selective passband. As an example, a prototype BPF centered at 0.42 GHz is implemented on PCB, in which the SAW-like resonators are realized by lumped elements. The measured filter has a 3-dB bandwidth of 47% and high passband selectivity is observed. To obtain a wideband rejection, one transmission line in the filter is loaded with an open stub and a low pass filter is added. Experimental results show good high out-of-band rejection up to more than 20 GHz. © 2013 IEEE. | Source Title: | Asia-Pacific Microwave Conference Proceedings, APMC | URI: | http://scholarbank.nus.edu.sg/handle/10635/84363 | ISBN: | 9781479914746 | DOI: | 10.1109/APMC.2013.6694839 |
Appears in Collections: | Staff Publications |
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