Abstract
This chapter presents the design of a new compact low-pass defected ground structure filter (DGS LPF). The proposed structure is based on coplanar waveguide (CPW) lines and λ/4 resonators. The filter provides three transmission zeros within the stop-band and offers bandwidth of 8.3 GHz, namely from 3.1 to 11.4 GHz. The stop-band rejection is more than - 20 dB. Filter dimension is as low as 4 × 23.4 mm2. An equivalent circuit model is used to investigate the filter characteristics. The proposed low-pass filter has been fabricated and its characteristics measured. Good agreement between electromagnetic simulation, equivalent circuit simulation, and measurements has been obtained. © Springer Science+Business Media, LLC 2010.
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Batmanov, A., Boutejdar, A., Balalem, A., Omar, A., & Burte, E. (2010). New coplanar low-pass defected ground structure (DGS) filter. In Ultra-Wideband, Short Pulse Electromagnetics 9 (pp. 157–164). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-0-387-77845-7_18
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