Abstract
Objectives: In this study, two new power splitters integrated with a novel half mode substrate integrated waveguide (HMSIW) and composite right/left-handed transmission lines (CRLH-TL) cells are presented, realized and compared to a conventional Substrate Integrated Waveguide (SIW) one. Methods: The SIW technology is characterized by a high Q factor and a low return loss, but it suffers from the massive size particularly in low frequencies bands, so to achieve practically 50% miniaturization in size with keeping the high performances of the SIW technique, HMSIW origins from SIW has been utilized. otherwise, so as to reduce the HMSIW device, size, Composite Right/Left-Handed Transmission Lines (CRLH-TL) cells are applied. The designs are printed on a Roger RT/duroid 6010 and performed within an HFSS environment based on the finite element method (FEM). Simulations and measurements of the three power dividers are presented over a frequency band from 2.2 GHz to 2.6 GHz. Findings: The novel proposed component achieves about 70% and 90% of size reduction compared to, respectively, the HMSIW and SIW power splitters. The simulated and measured results are in close agreement. Application: Compared to the SIW power divider and the HMSIW one the novel proposed device is characterized by a compact size and an easy fabrication process. So that it will enable a convenient reduction of size, loss and cost in millimeter-wave and microwave systems.Keywords: Power Divider, HMSIW, SIW, CRLH-TL Cells, Tapered Transition
Highlights
Power dividers are considered as an essential cell of microwave and millimeter-wave devices
The new proposed composite right/left-handed transmission lines (CRLH-TL) has been added to the inner surface of the half mode substrate integrated waveguide (HMSIW) power divider
It is obvious that the HMSIW power divider with CRLH-TL cells presents good performances compared to the two other structures
Summary
Power dividers are considered as an essential cell of microwave and millimeter-wave devices It is a kind of microwave circuit that can split the signal with an equal or unequal power division ratio. It is a fundamental element for modern communications systems operations that require processing and routing of multiple copies of a signal. The Development of Evaluation Model for Sustainable Social Enterprises magnetic wall, so each half becomes an HMSIW structure and can support the half guided wave modes.[14,15] Its dominant mode is approximately half of the TE mode in an SIW In this case, it is considered a promising approach that fulfills modern microwave communication system requirements.
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