Download presentation
Presentation is loading. Please wait.
2
Helix Antenna Helix Antenna Array Design and Measurements By Ivette Betancourt
3
Helix Antenna Story Dr. John Kraus Professor of Electrical Engineering and Astronomy Emeritus Ohio State University Source:http://www.cqbooks.com/default.htm
5
Radiation Patterns NORMAL MODE
6
Radiation Patterns AXIAL MODE
7
Geometrical Considerations S D1 L D2 Matching Network
8
Building the First Prototype
9
Building the Array
10
Increasing the Diameter Matching Network Kapton Tape D1 D2
11
Calculations Source:http://www.csgnetwork.com/antennahtcalc.html
12
Measurements
13
Return Loss
14
VSWR
15
The End
16
Resonance and Matching Reflection SWR Return Loss Smith Chart Impedance Transmission
17
Gain Spectrum AnalyzerSignal Generator
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.