Dual-Band Balanced Bandpass Filter Using Slotlines Loaded Patch Resonators With Independently Controllable Bandwidths
| Autor: | Yongle Wu, Weimin Wang, Manos M. Tentzeris, Weidan Li, Gaoya Dong, Yuanan Liu |
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| Rok vydání: | 2020 |
| Předmět: |
Physics
business.industry Bandwidth (signal processing) 020206 networking & telecommunications 02 engineering and technology Condensed Matter Physics Fractional bandwidth law.invention Resonator Band-pass filter law 0202 electrical engineering electronic engineering information engineering Optoelectronics Multi-band device Electrical and Electronic Engineering Resistor business Passband |
| Zdroj: | IEEE Microwave and Wireless Components Letters. 30:653-656 |
| ISSN: | 1558-1764 1531-1309 |
| DOI: | 10.1109/lmwc.2020.2995963 |
| Popis: | A novel dual-band balanced bandpass filter structure is constructed by utilizing patch resonators and meandered slotlines (MSLs). The center frequencies and passband bandwidths of two differential-mode (DM) passbands can be controlled independently. Specifically, the fractional bandwidth (FBW) in a lower band with the level of ${S}_{11}$ better than 15 dB ranges from 2.9% to 19.1%, and the FBW in an upper band with the level of ${S}_{11}$ better than 15 dB is from 2.0% to 13.9%. Furthermore, isolation resistors are added in the middle of the patch resonators to improve the common-mode (CM) suppression across the given frequency range. To verify the proposed filter concept, two dual-band balanced filters with different bandwidths are designed, fabricated, and measured. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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