Slot spiral antenna with integrated balun and feed
stacked patches , slot antenna  and magneto-electric dipole  are also good .... To feed the antenna, an integrated balun which transforms the unbalanced ..... order to provide a fair comparison, the spiral antenna was designed by using ...
Feb 14, 2014 ... The antenna and the Dyson-style balun have been integrated ... Many efforts have been made to feed spiral antennas in the planar plane, but the ... The coplanar waveguide (CPW)-fed slot antenna has received considerable ... Flexible Spiral Antenna with Microstrip Tapered Infinite Balun for ... wideband, spiral antenna with an integrated microstrip tapered infinite balun ... antenna does not have an obtrusive center feed, and instead has a side feed, is flexible, ... The infinite balun used in many papers for spiral (slot) antennas ... A broadband and low cross polarization antenna with a balun ... - PLOS Mar 15, 2018 ... The prototype antenna demonstrates a measured impedance bandwidth of ... cross polarization antenna with a balun of microstrip line coupling to slot line. ... plane dipole antenna, plane Yagi antenna, Archimedes spiral antenna. ... due to the unbalanced feed for the driver dipole of the quasi-Yagi antenna, ... A Novel Compact Planar Spiral-shaped Antenna - ACES - The Applied ... Mar 28, 2012 ... The proposed antenna is a two-arm Archimedean spiral antenna, ... serious difficulties in the planar integration of spiral antenna. ... Some authors use slotlines instead of ..... Slot Spiral Antenna with Dual Dyson Balun Feed,”.
A slot spiral antenna with a planar integrated balun and feed. The slot spiral is produced using standard printed circuit techniques and comprises a dielectric substrate having a conductive layer which is etched to form the radiating slot spiral.
A slot spiral miniaturized antenna is described. The antenna includes a conductive layer formed on a first side of a dielectric substrate. A slot arranged in the form of a spiral curve and having a slow-wave structure is formed in the conductive layer. The antenna also includes a planar balun formed on a second side of the substrate. The balun is in the form of a conductive layer strip ... High-power ultra-wideband spiral antenna arrays - IEEE ... The four-arm spiral antenna configuration is considered to ensure a good frequency-domain performance of the good time-domain spiral (i.e. loosely-wrapped spiral). Finally, the four-arm spiral's beamformer complexity is addressed by the development of a dual microstrip feed which acts not only as an integrated balun (infinite Dyson balun), but ... Wideband and Dual-Band Design of a Printed Dipole Antenna ...
The Sinuous Antenna
A NEW PLANAR FEED FOR SLOT SPIRAL ANTENNAS baluns, and large absorbing cavities. The presented slot spiral an-tenna feed integrates the balun into the structure of the slot spiral antenna, making the antenna and feed planar. This greatly simplifies the design and construction of the antenna, in addition to providing repeatable accuracy. It also allows the use of a very shallow reflecting WO1997025755A1 - Slot spiral antenna with integrated balun A slot spiral (18) antenna with a planar integrated balun and feed. The slot spiral is produced using standard printed circuit techniques and comprises a dielectric substrate having a conductive layer which is etched to form the radiating slot spiral. An integrated microstrip feed (16) is included to provide a balanced feed to the slot spiral. US Patent for Slot spiral antenna with integrated balun A slot spiral antenna with a planar integrated balun and feed. The slot spiral is produced using standard printed circuit techniques and comprises a dielectric substrate having a conductive layer which is etched to form the radiating slot spiral. An integrated microstrip feed is included to provide a balanced feed to the slot spiral. Impedance matching is performed between the microstrip feed
A CPW-fed two-arm spiral slot antenna
of a planar spiral antenna have been investigated for CP signal generations, such as ..... polarized spiral antenna using integrated balun with application to ... dual-mode four-arm slot spiral antenna with dual Dyson balun feed,”. IEEE Proc. Kent Academic Repository - University of Kent stacked patches , slot antenna  and magneto-electric dipole  are also good .... To feed the antenna, an integrated balun which transforms the unbalanced ..... order to provide a fair comparison, the spiral antenna was designed by using ... 122. cavity backing in spiral antennas antenna. However, spiral antennas require balanced feed structures and the input ... 3D Monolithic Microwave Integrated Circuits (MMIC) use slot type spiral. A dual ... used a balun to obtain balanced structure from unbalanced source and it ... fed coplanar strips rectangular spiral antenna - American University of ... Apr 6, 2017 ... antenna did not need a balun as the feed and spiral were both. CPW. However ... The CPW feed center conductor width S and slot width W are ..... wave integrated circuits, printed antennas, computational elec- tromagnetics ...
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