Spiral AntennasSr. No. Design Name Solver

1Coaxial Fed Single arm Spiral Antenna FEM

2 Rectangular Spiral Antenna FEM3 Vivaldi Spiral Antenna FEM4 Two arm Circular Spiral Antenna FDTD

Anil Pandey

Coaxial Fed Single arm Spiral Antenna

Solver – FEM (Direct)

1

S-Parameters DataOperating Frequency : 10 GHz

1

Far-Field Plot

Gain - 6.5 dBi

1

Rectangular Spiral Antenna

Solver - FEM

2

2S-Parameters Data

Far Field Plot

Gain – 1.2 dBi

2

Vivaldi Spiral Antenna

Solver – FEM (Direct)

3

S-Parameter 3

Gain - 2.9 dBiResonance Frequency 2.93 GHz

3Far Field Plot

Two arm Circular Spiral Antenna

Solver – FDTDConformal MeshingCUDA Card

4

FDTD Simulation Data

Frequency : 1.6 GHz

4