Bandpass filters with reconfigurable transmission zeros using varactor-tuned tapped stubs |
| |
| Authors: | Zhang H. Chen K.J. |
| |
| Affiliation: | Dept. of Electr. & Electron. Eng, Univ. of Sci. & Technol., Kowloon, China; |
| |
| Abstract: | In this letter, bandpass filters with one or two tunable transmission zeros are proposed. The reconfigurable transmission zeros are implemented through varactors in combination with tapped quarter-wavelength stubs. Based on mixed mode simulations including EM simulation and circuit simulation, the proposed filters were designed and fabricated on low-cost FR4 board. The measurement results verified the design concepts. |
| |
| Keywords: | |
|
|
