PROJECT TITLE :

A New Approach to Design a Microstrip Dual-Mode Balun Bandpass Filter

ABSTRACT:

A replacement approach to style a microstrip dual-mode balun bandpass filter (BPF) is proposed in this letter. Its working principle is extensively explained by analysis of standing wave pattern on a 0.5-wavelength open-circuited transmission line. By selecting proper coupling topologies between the open-circuited transmission line and twin-mode open-stub loaded resonators, a unique planar sort twin-mode balun BPF is presented during this letter. To validate the feasibility of the new approach, a dual-mode balun BPF operating at a pair of.zero GHz with 0.thirty five dB magnitude imbalance and five section imbalance is intended and fabricated. Each simulated and experimental results are given smart agreement.