A Miniature Planar Dual-Band Bandpass Filter using Modified Stepped Impedance Resonator (SIR) with Defected Ground Structure. - Lakhpat Singh Purohit; Lokesh Tharani (ICCCT, 2015)

A Miniature Tri-Band BPF Using Modified Stepped Impedance Resonator for Wireless Communication. - Lakhpat Singh Purohit; Lokesh Tharani (ICCCT, 2015)