8.2 SLOTTED-WAVEGUIDE ANTENNAS Slotted-waveguide antennas have significant applications in the areas of missile, spacecraft, and airborne radar.FIGURE 8-4 Three different types of endfire tapered slot anten-nas along with a dielectric-rod antenna shown for comparison (after Yngvesson et... Coplanar Waveguide-fed Rectangular Slot Antenna... -… This slot antenna of area 3020mm2 is designed on a FR4 substrate and its operation was tested in terms of return loss and gain. The developed antenna shows VSWR less than or equal to 2 bandwidth of 800MHz in 0.7-1.51GHz band as well as bandwidth of 6.06GHz in the UWB band of... A coplanar waveguide-fed ultra wideband hexagonal slot … Considered a printed regular hexagonal slot antenna with a hexagonal stub fed by a CPW line. Modification antenna to obtain band rejection by incorporating a C-shape slot within the exciting stub. Parameters of the C-shape slot; radiation characteristics.
Design Of Ultra Wideband Coplanar Waveguide Fed ...
A dual band antenna array comprises a pair of coplanar antenna elements, the first antenna element excitable at a frequency within a first frequency band, the second antenna element excitable at a frequency within a second frequency band. US4843403A - Broadband notch antenna - Google Patents The subject invention relates to an antenna having broadband characteristics. The antenna is a dual notch device capable of receiving or transmitting electromagnetic waves comprising a substrate, an upper planer conducting antenna element … US6642898B2 - Fractal cross slot antenna - Google Patents A fractal cross slot broad band antenna comprises a five layer configuration including a radiating fractal cross slot layer having a plurality of antennas each comprising a plurality of radiating arms. US4939527A - Distribution network for phased array antennas… A distribution network for a modified space-fed phased array antenna consists of a planar array of radiating slots distributed along a coplanar wall in each of an ensemble of parallel waveguides.
Coplanar Waveguide Fed Hexagonal Shaped Slot Antenna …
tapered slot antenna is designed over a Rogers RO4003 substrate, in addition a resistive layer is placed behind its Coplanar waveguide feeding is used in the proposed hexagonal structure to results in a good impedance matching over the UWB system. Fig. 1: CPW fed hexagonal patch antenna. US5519408A - Tapered notch antenna using coplanar A radiating tapered notch antenna (sometimes known as a Vivaldi antenna) is fed by a section of slotline, which in, turn is fed by a coplanar waveguide. The transition from the unbalanced coplanar waveguide to the balanced slotline is accomplished by an infinite balun, where the center conductor of the coplanar waveguide terminates on the slotline conductor opposite the ground conductor of the
WIDE BEAM TAPERED SLOT ANTENNA FOR WIDE ANGLE SCANNING ...
US5519408A - Tapered notch antenna using coplanar waveguide… A radiating tapered notch antenna (sometimes known as a Vivaldi antenna) is fed by a section of slotline, which in, turn is fed by a coplanar waveguide. The transition from the unbalanced coplanar waveguide to the balanced slotline is … US7994996B2 - Multi-beam antenna - Google Patents A plurality of antenna elements on a dielectric substrate are adapted to launch or receive electromagnetic waves in or from a direction substantially away from either a convex or concave edge of the dielectric substrate, wherein at least …
A compact CPW fed slot antenna for ultra wide band ... - CiteSeerX
Jul 01, 2001 · TECHNICAL FEATURE A Ka-band Planar Printed Antipodal Linearly-tapered Slot Antenna A Ka-band (27 to 32 GHz) planar antipodal linearly-tapered slot antenna (ALTSA) is designed, fabricated and measured. The numerical simulation was performed by 3D finite-element method (FEM). The printed ALTSA has been realized by using an RT/Duroid printed circuit... Novel Antipodal Linearly Tapered Slot Antenna Using … of the feed antenna, such as, better side-lobe level, better S11 and narrower main beam are extremely needed for better accuracy of the imaging. In this paper, a novel antipodal linearly tapered slot antenna (ALTSA) with grounded coplanar waveguide (GCPW)-to-substrate integrated waveguide (SIW) transition is proposed WIDE BEAM TAPERED SLOT ANTENNA FOR WIDE ANGLE SCANNING PHASED ... wide band and wide beam double layered exponentially tapered slot antenna (DTSA) fed by a coplanar waveguide (CPW) feed to facilitate its integration with uni-planar MMICs. The complete design and optimization of the antenna has been done using a general purpose commercial Finite Element based electromagnetic simulator (EM), HFSS [13]. Design Of Ultra Wideband Coplanar Waveguide Fed Rectangular ...
Printed Wide Slot Ultra-Wideband Antenna | IntechOpen Recently, different printed wide-slot antennas fed by a microstrip line or coplanar waveguide have been reported [7, 8]. Apart from these antennas, monopoleHowever, the antenna does not possess a compact profile having a dimension of 85 mm × 85 mm. A new CPW-fed tapered ring slot antenna... Coplanar waveguide fed wideband slot antenna Olympics Research Trends. Brexit Impact Analysis. Features. Help. About. Contact. Download. Coplanar Waveguide to Slotline Transitions for Tapered …