Abstract
In this paper, a novel high selectivity compact dual planar microstrip bandpass filter (BPF) with compact ring resonator and two uniquely designed defected ground structures (DGSs) is proposed. By employing the inter-digital and spiral DGSs, the filter selectivity can be significantly enhanced with a wide suppression of higher order harmonics. The filter has a selectivity of 220 dB/GHz, passband insertion loss (IL) of 1.55 dB and bandwidth of 61 MHz at 2.53 GHz. Moreover, the proposed compact ring resonator saves 70.5% area compared to a conventional ring resonator. The significance of this BPF to be applied in wireless telemetry monitoring systems has been introduced in this paper.
| Original language | English |
|---|---|
| Title of host publication | Asia-Pacific Microwave Conference Proceedings, APMC 2011 |
| Place of Publication | Barton, ACT |
| Publisher | Engineers Australia |
| Pages | 1590-1593 |
| Number of pages | 4 |
| ISBN (Print) | 9780858259744 |
| Publication status | Published - 2011 |
| Externally published | Yes |
| Event | Asia-Pacific Microwave Conference, APMC 2011 - Melbourne, VIC, Australia Duration: 5 Dec 2011 → 8 Dec 2011 |
Other
| Other | Asia-Pacific Microwave Conference, APMC 2011 |
|---|---|
| Country/Territory | Australia |
| City | Melbourne, VIC |
| Period | 5/12/11 → 8/12/11 |
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