Yagi Array of Microstrip Quarter-Wave Patch Antennas with Microstrip Lines Coupling

Table 1

Parameters for the Yagi arrays.

Yagi array of quarter-wave patch antennas (Figure 1)		Yagi array of half-wave patch antennas (Figure 9)
Variable	Values	Variable	Values
𝜀𝑟	2.33	𝜀𝑟	2.33
ℎ	1.57 mm	ℎ	1.57 mm
𝐿^′𝑑	8.926 mm	𝐿𝑑	17.6 mm
𝐿^′𝑟	9.026 mm	𝐿𝑟	19 mm
𝐿^′𝑑1	7.826 mm	𝐿𝑑1	15 mm
𝐿^′𝑑2	7.626 mm	𝐿𝑑2	15 mm
𝑊	40 mm	𝑊	25 mm
𝑏	1.4 mm	𝑏	1.3 mm
𝑠𝑑	0.8 mm	𝑠	0.8 mm
𝑠𝑚	0.8 mm	𝐿𝑔	115 mm
𝐿𝑚	8.4 mm	𝑊𝑔	80 mm
𝑠^′𝑟	3.37 mm
𝑠^′𝑑2	3.37 mm
𝑠𝑔	23.67 mm
𝐿𝑔	100 mm
𝑊𝑔	80 mm
𝑑	0.6 mm
𝑝	1.5 mm