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Helix Antenna Helix Antenna Array Design and Measurements By Ivette Betancourt.

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Presentation on theme: "Helix Antenna Helix Antenna Array Design and Measurements By Ivette Betancourt."— Presentation transcript:

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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

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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


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