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Impedance matching arrangement for quadrifilar helix antennas |
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| Authors: | Notter M. Keen K.M. |
| Affiliation: | Astrium Ltd., Portsmouth; |
| Abstract: | A ring arrangement of four wires near to the excitation point of a quadrifilar helix antenna can be used to achieve an impedance match. The matching technique is applicable to resonant, fractional turn antennas, and to shaped conical beam backfire mode antennas |
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