论文信息 - Wideband filtering power divider with high selectivity

Wideband filtering power divider with high selectivity

A wideband filtering power divider (PD) with high selectivity is introduced, based on a terminated coupled line structure. The bandwidth tuning, isolation and impedance matching performances optimisation are presented and explained. Finally, the filtering PD is designed and implemented with a centre frequency (f 0) of 3.0 GHz and a fractional bandwidth of 70%. The upper stopband is achieved up to 2.6 f 0, with a rejection of better than 13 dB. The measured minimum in-band insertion loss is 0.3 dB (not including the splitting loss). Isolation of higher than 16.7 dB between the output ports is observed up to 2.7 f 0.

Bo Zhang | Yuanan Liu

[1] Yong Fan,et al. Wideband Four-Way Filtering-Response Power Divider With Improved Output Isolation Based on Coupled Lines , 2014, IEEE Microwave and Wireless Components Letters.

[2] Xiu Yin Zhang,et al. Single- and Dual-Band Power Dividers Integrated With Bandpass Filters , 2013, IEEE Transactions on Microwave Theory and Techniques.

[3] Quan Xue,et al. Novel Ultra-Wideband (UWB) Multilayer Slotline Power Divider With Bandpass Response , 2010, IEEE Microwave and Wireless Components Letters.

[4] Chang-Woo Kim,et al. Ultra-wideband power divider using three parallel-coupled lines and one shunt stub , 2014 .

[5] Wei-Cheng Lin,et al. Filtering power divider with good isolation performance , 2014 .

[6] Kaijun Song. Compact filtering power divider with high frequency selectivity and wide stopband using embedded dual-mode resonator , 2015 .

[7] Xiu Yin Zhang,et al. Compact Filtering Power Divider With Enhanced Second-Harmonic Suppression , 2013, IEEE Microwave and Wireless Components Letters.