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EH Antenna

EH Antenna. NATIONAL ASSOCIATION OF BROADCASTERS LAS VEGAS APRIL 2004 BY Ted Hart CEO George Jones, President, AM Broadcast Division. What Is An EH Antenna?. It is a revolutionary concept that allows small antennas to outperform large antennas.

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EH Antenna

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  1. EH Antenna NATIONAL ASSOCIATION OFBROADCASTERSLAS VEGASAPRIL 2004BYTed Hart CEOGeorge Jones, President, AM Broadcast Division EH ANTENNA SYSTEMS

  2. What Is An EH Antenna? It is a revolutionary concept that allows small antennas to outperform large antennas. EH ANTENNA SYSTEMS

  3. EH Antenna – An ExampleLocated at Eatonton, Georgia EH ANTENNA SYSTEMS

  4. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size EH ANTENNA SYSTEMS

  5. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size • + Low Height EH ANTENNA SYSTEMS

  6. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size • + Low Height • + No Radials Required EH ANTENNA SYSTEMS

  7. Whole Band – 10 KW EH ANTENNA SYSTEMS

  8. High Band – 1 KW EH ANTENNA SYSTEMS

  9. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size • + Low Height • + No Radials Required • + Broad Bandwidth EH ANTENNA SYSTEMS

  10. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size • + Low Height • + No Radials Required • + Broad Bandwidth • + High Efficiency EH ANTENNA SYSTEMS

  11. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size • + Low Height • + No Radials Required • + Broad Bandwidth • + High Efficiency • + Low EMI EH ANTENNA SYSTEMS

  12. What Are The Defining ParametersOf An EH Antenna?___________________________________________________________________________________________________ • Small Size • + Low Height • + No Radials Required • + Broad Bandwidth • + High Efficiency • + Low EMI __________________________________________________________________________________________________________ • = High Economic Value For The Broadcaster EH ANTENNA SYSTEMS

  13. The Number 1 Question,does It Work? EH ANTENNA SYSTEMS

  14. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  15. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  16. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  17. RX EH ANTENNA SYSTEMS

  18. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  19. Corrected Impedance EH ANTENNA SYSTEMS

  20. DPH Photo EH ANTENNA SYSTEMS

  21. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  22. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  23. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  24. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  25. The Evolution Of The Star EH Antenna EH ANTENNA SYSTEMS

  26. Web Site • http://eh-antenna.com/AM_Broadcast.htm • http://eh-antenna.com/amateur.htm • http://eh-antenna.com • ted@eh-antenna.com • 20-Meter Star Antenna > • (706)473-3360 EH ANTENNA SYSTEMS

  27. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  28. EH Antenna Analysis Program EFFECT OF LOADING ON THE EH ANTENNA Q=XL/R=F0/BW Therefore: BW = R* F0 /XL Example: If BW increases by 10, then R increases by 10 - - - - - - - - - h = RR/(RR+RL) Example: For RR=5 and RL = 0.5, then h =90.9% For RR=50 and RL = 0.5, then h =98.9% The change in Efficiency = 0.4 dB EH ANTENNA SYSTEMS

  29. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  30. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  31. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  32. Rendering Of Phasing Coil EH ANTENNA SYSTEMS

  33. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  34. RenderingOf Tuning Coil EH ANTENNA SYSTEMS

  35. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  36. Rendering Of Source Coil EH ANTENNA SYSTEMS

  37. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  38. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  39. “L” Network • Mounted at the base of the tower. • Enclosed in NEMA housing. • Enclosure size to be determined by: • Transmission line impedance. • Transmitter power. EH ANTENNA SYSTEMS

  40. EH Antenna Analysis Program EH ANTENNA SYSTEMS

  41. EH Antenna Economics EH ANTENNA SYSTEMS

  42. EH Antenna Economics EH ANTENNA SYSTEMS

  43. Bandwidth Vs. Frequency EH ANTENNA SYSTEMS

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