Passive and Active Reconfigurable Scan-Beam Hollow Patch Reflectarray Antennas

Table 1

Parameters of the passive hollow patch loaded with SMD capacitor.

Parameter	Value
Operating frequency	𝑓 = 7.0 GHz
Substrate thickness	ℎ = 1.575 mm
Substrate permittivity	𝜖𝑟 = 2.33
Loss tangent	tan 𝛿 = 0.0005
Patch width, length	𝑊 = 15 mm, 𝐿 = 12 mm
Slot width, length	𝑊ℎ = 13 mm, 𝐿ℎ = 0.55 mm
Substrate width, length	𝜆0/2, 𝜆0/2mm
SMD 0805 thickness	𝐻smd = 0.8 mm
SMD 0805 width	𝐿smd = 2.0 mm
SMD 0805 metal connection length	𝐿2smd = 0.35 mm
Resonance capacitance	𝐶0 = 0.55∼0.6 pF