Abstract
For an RF system, a high-gain antenna helps to improve the equivalent isotropic radiated power (EIRP) of the transmitter and an end-fire antenna array helps to improve the directivity (D) and half power beam width (HP) of the antenna. This work presents a new and simple design method for end-fire antenna array design. The method states that when antenna elements are λ/2 apart, a simple end-fire antenna array could be designed and constructed easily without matching networks between antenna elements. Utilizing Rogers 4350 PCB technology, three 24 GHz high-gain, compact planar two-element end-fire dipole antenna arrays are designed to verify this new design method. The achieved results are three two-element end-fire antennas with gains of 8.8, 9.9 and 9.1 dBi. These antenna arrays are characterized by high gain and simplicity in design. They are also very compact in size, with an area of about 1.9 × 1.7 cm2. The benefit of this work is that a new and simple design for end-fire antenna design is suggested, and three two-element end-fire dipole antenna arrays in planar technology which adopt the design method are presented. A utility model patent was granted for this end-fire dipole array antenna topology, ZL 202022106332.1.
Highlights
For a RF system, one difficult task is to design high-output power transmitters
This paper focuses on looking for an end-fire antenna array with a simple structure in planar technology suitable for millimeter-wave and THz on-chip antenna design
A new and simple design method for end-fire antenna design is suggested that means that, when antenna elements are λ/2 apart, a simple end-fire antenna array could be designed and constructed without matching networks between antenna elements, and three two-element end-fire dipole antenna arrays in planar technology which adopt the design method are presented
Summary
For a RF system, one difficult task is to design high-output power transmitters. A high-gain antenna helps to improve the EIRP of the transmitter. In order to fulfill the aim of the article and explain the essence of the problem, the second section presents a theory of the end-fire antenna, which includes a new and simple method for designing an end-fire antenna array To verify this new method of the field solution, three compact planar two-element end-fire dipole antennas with high gain are designed and implemented in the third section. 2 of GHz high-gain, compact planar two-element end-fire dipole antenna arrays are designed to verify this design method. A New and Simple Design Method for End-Fire Antenna Array Design high-gain, compact planar two-element end-fire dipole antenna arrays are designed to Figure showsmethod. Simple end-fire antenna array could be designed and constructed without matching
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