Resum
In this letter, a compact, fully uniplanar bandstop filter is presented. It is based on multimodal coplanar waveguide resonators implemented using a slow-wave periodic structure that greatly reduces the filter's horizontal dimension. A multimodal circuit model for the filter is proposed and experimentally validated. A second-order filter prototype at 1.9 GHz, with a compact size of 0.31 λg × 0.19 λg, was designed and fabricated. The filter features measured fractional bandwidths of 9.3% and 3.7% for -20- and -30-dB rejection levels, respectively, and a 1.3-dB insertion loss in the passband.
| Idioma original | Anglès |
|---|---|
| Número d’article | 8421621 |
| Pàgines (de-a) | 780-782 |
| Nombre de pàgines | 3 |
| Revista | IEEE Microwave and Wireless Components Letters |
| Volum | 28 |
| Número | 9 |
| DOIs | |
| Estat de la publicació | Publicada - de set. 2018 |