Research Article

Theoretical and Experimental Results of Substrate Effects on Microstrip Power Divider Designs

Table 2

Specifications of the studied substrates with the dimensions of quarter wavelength line (50 ohms) for each.

Duroid 3003Epoxy glassDuroid 3010

Dielectric constant 3 4.4 10.2
Dielectric thickness h 1.52 mm 1.6 mm 1.25 mm
Dissipation factor 0.0013 0.013 0.0035
Width of quarter wavelength line 3.84 mm 2.47 mm 1.10 mm
Length of quarter wavelength line 21.91 mm 18.42 mm 12.71 mm