Abstract
In this paper two novel power dividers based on half mode substrate integrated waveguide (HMSIW) and composite right/left handed transmission lines CRLH-TL cell are proposed and compared to a conventional SIW one. Simulations of the three power dividers are presented over a frequency band from 1.8 GHz to 3.2 GHz. The SIW technology holds advantages of high Q-factor and low return loss but it suffers from the big size in low frequency band, So to realize a nearly 50% reduction in size with keeping the good performances of the SIW technology, half mode substrate integrated wave guide HMSIW origins from SIW has been used, A novel structure of a power divider based on HMSIW technology was designed with a low cost FR4 substrate and compared to a conventional power divider based on SIW technology. The designs are printed on a Roger RT/duroid 6010 and performed within an HFSS environment based on the finite element method (FEM). Good performances were achieved with our proposed power dividers.
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