Abstract
A novel compact microstrip bandpass filter using a dumb-bell-shaped defected ground structure (DGS) etched in ground plane under microstrip line is proposed. The bandpass characteristic is easy to obtain by adjusting the bandgaps of the DGS resonators. The filter has the advantages of compact size, high selectivity, and high out-of-band suppression due to the transmission zeros. The theoretical and experimental results of the proposed bandpass filter are presented and show good agreement. © 2005 Wiley Periodicals, Inc.
| Original language | English |
|---|---|
| Pages (from-to) | 281-283 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 48 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Feb 2006 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Research Keywords
- Bandpass filter
- Defected ground structure
- Microstrip line
- Transmission zeros
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