The use of shunt-stubs in corporate-feeding network for S-band planar antenna array

The construction, work principle and analysis results for microwave impedance matching in corporate-feeding network, cooperating with planar antenna array for S-band using shunt-stubs have been presented in the paper. All planar antenna arrays cooperate with signal distribution networks. This one ensures provide impedance matching between input port and antenna radiating elements too. The use of stubs for reactance correction in microwave and antenna technique is well-known technique. The use of the stubs in every stage of power splitting ensures high level in impedance matching. The analysis for 2, 4 and 8 — elements antenna array was made. The physical realization of the 4-element array without and with additional stubs were made. Obtained measure results confirm numerical analysis results.