Dual-Band Filtering Differential Phase Shifter Using Cascaded Wideband Phase Shifter and Bandstop Network With Two Same Phase Shifts
This letter proposes a new design method of dual-band filtering differential phase shifter using cascaded wideband phase shifter and bandstop network. After cascading the bandstop network, the phase shift characteristic of the initial wideband filtering differential phase shifter remains unchanged,...
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| Published in | IEEE microwave and wireless components letters Vol. 31; no. 3; pp. 261 - 264 |
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| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
IEEE
01.03.2021
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| Subjects | |
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| Abstract | This letter proposes a new design method of dual-band filtering differential phase shifter using cascaded wideband phase shifter and bandstop network. After cascading the bandstop network, the phase shift characteristic of the initial wideband filtering differential phase shifter remains unchanged, while its wide passband is divided into dual subpassbands. Compared with traditional dual-band-filter-based topology, the proposed cascaded one features the advantage of independently controlled phase and amplitude responses, and can achieve the same phase shifts in two passbands that conventional one cannot. For verification, a dual-band differential phase shifter with two same phase shifts of 90° is designed, fabricated, and measured. Simulated and measured results show good agreement. |
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| AbstractList | This letter proposes a new design method of dual-band filtering differential phase shifter using cascaded wideband phase shifter and bandstop network. After cascading the bandstop network, the phase shift characteristic of the initial wideband filtering differential phase shifter remains unchanged, while its wide passband is divided into dual subpassbands. Compared with traditional dual-band-filter-based topology, the proposed cascaded one features the advantage of independently controlled phase and amplitude responses, and can achieve the same phase shifts in two passbands that conventional one cannot. For verification, a dual-band differential phase shifter with two same phase shifts of 90° is designed, fabricated, and measured. Simulated and measured results show good agreement. |
| Author | Zhu, Lei Qiu, Lei-Lei |
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| Cites_doi | 10.1109/TIE.2011.2176695 10.1109/TMTT.2007.904051 10.1109/LMWC.2019.2898507 10.1109/TMTT.2005.864105 10.1016/j.aeue.2018.11.040 10.1109/TMTT.2010.2049168 10.1109/TMTT.2019.2910108 10.1109/LMWC.2013.2295212 10.1002/0471221619 10.1109/LMWC.2010.2050868 10.1109/TMTT.1958.1124543 10.1109/TMTT.2017.2673819 10.1109/TMTT.2004.825680 10.1109/LMWC.2015.2390538 10.1109/TCSII.2020.3008532 10.1109/LMWC.2018.2875997 10.1109/LMWC.2017.2734750 |
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| Snippet | This letter proposes a new design method of dual-band filtering differential phase shifter using cascaded wideband phase shifter and bandstop network. After... |
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| StartPage | 261 |
| SubjectTerms | Bandstop network differential phase shifter Dual band filtering Frequency measurement Impedance Passband Phase measurement Phase shifters Wideband wideband phase shifter |
| Title | Dual-Band Filtering Differential Phase Shifter Using Cascaded Wideband Phase Shifter and Bandstop Network With Two Same Phase Shifts |
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