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Stagger-Tuned Loop Antennas for Wide-Band Low-Frequency Reception

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2 Author(s)
Cheng, David K. ; L. C. Smith College of Engineering, Syracuse University, Syracuse, New York ; Galbraith, R.A.

This paper describes a system of stagger-tuned high-Q loop antennas designed for 100 kc Loran pulse reception. The individual loop antenna outputs are first added in a summing amplifier followed by a grounded-grid amplifier and a cathode-follower stage before being fed to the receiver. Based upon preliminary theoretical analysis, an experimental antenna array is developed, which confirms its capability of achieving a wide bandwidth with relatively small dimensions. A squaring scheme of obtaining omnidirectional reception property is suggested; and a modified electrolytic tank method, which is adaptable to the present system in synthesizing a given response characteristic, is also described.

Published in:

Proceedings of the IRE  (Volume:41 ,  Issue: 8 )