Parallel-coupled stub-loaded resonator bandpass filter with ultra-wideband passband on multilayer liquid crystal polymer substrates, International Journal of Microwave and Wireless Technologies

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Hybrid Microstrip/Slotline Ultra-Wideband Bandpass Filter with a Controllable Notch Band

Full article: Ultra-wideband (UWB) Bandpass Filter with Cascaded Lowpass Filter on Multilayer Liquid-Crystal Polymer (LCP) Substrate

Equiripple design of low‐pass filter using stub‐loaded Z‐shaped coupled‐line section - Huang - 2021 - IET Microwaves, Antennas & Propagation - Wiley Online Library