Abstract
A bandpass filter on FR4 substrate for application in VHFL band is presented. The principle of the circuit is analyzed and the performance is predicted with ADS. Finally, a reconfigurable filter is fabricated and tested to validate the proposed approach. Simulation results show that the absolute passband bandwidth could be maintained constantly in 56.9~165.8 MHz, performance of selectivity is high, and the rectangular coefficient is less than 7. Experimental results validate the feasibility of the proposed tunable filter architecture.
| Original language | English |
|---|---|
| Pages (from-to) | 285-289 |
| Number of pages | 5 |
| Journal | Dianbo Kexue Xuebao/Chinese Journal of Radio Science |
| Volume | 28 |
| Issue number | 2 |
| Publication status | Published - Apr 2013 |
Keywords
- Coupling filter
- Electrically tunable
- Varactor
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Fang, L., Wang, X., & Liu, C. (2013). A VHFL-band tunable bandpass filter with continuous control of central frequency and bandwidth. Dianbo Kexue Xuebao/Chinese Journal of Radio Science, 28(2), 285-289.