Microwave and Optical Technology Letters · 2007 · 11 citations · 7 references
EngineeringElectrical EngineeringAntennasBuilding Envelope DesignMicrowave EngineeringAntenna BandwidthAntenna DesignBroadband AntennasMicrowave AntennasPlanar AntennasUltra-wideband CommunicationAntenna Impedance BandwidthBandwidthCoplanar WaveguidesImpedance BandwidthMonopole AntennasPrinted AntennasUltra-wideband AntennasWideband Antennas
Abstract A coplanar waveguide (CPW)‐fed ultra‐wideband staircase monopole antenna with a frequency‐notch characteristic is presented. The proposed antenna consists of a planar four‐step staircase rectangular monopole with a ground short‐circuited stub, open stubs at the ground part, and two‐step impedance transformer at the CPW‐fed line. The impedance bandwidth is increased due to an offset feeding technique and one‐side ground notch. The notched frequency band can be accomplished by means of the method that involves adding open stubs at the ground. The measured results are in good agreement with the simulated ones. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2545–2547, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22775
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Printed circular disc monopole antenna for ultra-wideband applications
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Wideband double-fed planar monopole antennas
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