Helix Antenna Helix Antenna Array Design and Measurements By Ivette Betancourt

Helix Antenna Story Dr. John Kraus Professor of Electrical Engineering and Astronomy Emeritus Ohio State University Source:

Radiation Patterns NORMAL MODE

Radiation Patterns AXIAL MODE

Geometrical Considerations S D1 L D2 Matching Network

Building the First Prototype

Building the Array

Increasing the Diameter Matching Network Kapton Tape D1 D2

Calculations Source:

Measurements

Return Loss

VSWR

The End

Resonance and Matching Reflection SWR Return Loss Smith Chart Impedance Transmission

Gain Spectrum AnalyzerSignal Generator