a) (b) Fig. 1: (a) Layout of a T-type SIW PD. (d = 1mm, h1 = 7.8mm, L_line = 6mm, L_tap = w = 16mm, W_line = 2.3mm, W_tap = 5.25mm, dv = 0.8mm, p = 1.4mm L_2 = 20.2mm, g = 11mm; remaining
dimensions are same as that of T-type PD)Abstract-In this paper, design principles for implementation of broadband T-type and Y-type power divider based on Substrate-Integrated Waveguide (SIW) technology has been presented. Different design curves have been developed based on simulation results and are used to implement 1x2 power dividers of Y-type and T-type. Finally, by cascading T-type and Y-type stages a 1x4 Power divider of equal division is designed and simulated. The proposed design shows a broad bandwidth (-20 dB) of 18.3% and insertion-loss Bandwidth (1%) of 17.86%.
Keywords-Substrate Integrated Waveguide (SIW); Broadband power-divider; X bandI.
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