Item Details: The advantage of an EFHW is the ease of construction, it's versatility in a variety of installation configurations (sloping, horizontal, L, etc.),...
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A simple but versatile antenna design that can be adapted to support everything from a big, powerful base station to portable QRP (low-power) activations in...
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The use of CRLH transmission lines and stepped impedance resonators (SIRs) on low-cost circuit materials delivers highly selective single-...
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The proposed design produced a bandwidth (BW) of 0.33 GHz with a corresponding peak realized gain of 10.43 dB when the driven element was replaced with the...
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We propose and experimentally demonstrate a leaky-wave antenna implemented as a periodically-slotted microstrip transmission line.
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Artificial transmission lines are realized by a series of meandered-line inductors, parallel-plate capacitors, and interdigital capacitors,...
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This third part investigates practical problems arising from the misapplication of field intensity and far-field concepts to near-field phenomena.
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His recent video shows how to put up a workable basic HF antenna in a small backyard. The center of the system is a 49:1 unun.
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We present a true metasurface antenna based on electrically-small resonators. The resonators are placed on a flat surface and connected to one feed point using...
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A prototype antenna having a slot length of 20 mm and terminated by a varactor diode exhibits a continuously tunable resonant frequency between 0.78 GHz and...
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