Electronics Letters · 2001 · 29 citations · 0 references
EngineeringElectrical EngineeringAntennasMicrowave EngineeringAntenna BandwidthAntenna DesignAntenna MeasurementAntenna Radiation PatternsBroadband AntennasHelical AntennasAntenna Bandwidth EnhancementBandwidth EnhancementBroadband Helical AntennasHelical Antenna DesignHelical Antenna GeometryPrinted Broadband Antennas
A method to increase the bandwidth of a printed quadrifilar helical antenna is investigated. The wire width is modified all along the antenna without changing the other geometrical parameters. A new broadband tapered printed quadrifilar helical antenna is realised and measured.