,

Arbitrary Terminated Negative Group Delay Circuit with Constant Signal Attenuation and Its Application to Absorptive Bandstop Filter

,

λ/4 Transmission Line Using Composite Right/Left Handed Unit Cells for Dual Band Applications

,

Compact Wide-stopband Quarter-mode SIW Bandpass Filter with Triangle Cavity

,

CMOS Microwave Bandpass Filter Using High Q Active Inductor

,

A Design and Implementation of Butler Matrix with Phase Slope Compensation