A Self-Diplexing Dual-Polarized K-/Ka-Band Patch Antenna

Publikationstyp
Conference Paper
Publikationsdatum
2021-04
Sprache
English
Author
Sielck, Noah orcid-logo
Erkelenz, Kevin 
Jacob, Arne 
Institut
Hochfrequenztechnik E-3 
TORE-URI
http://hdl.handle.net/11420/13112
Start Page
733
End Page
736
Citation
51st European Microwave Conference (EuMC 2021)
Contribution to Conference
51st European Microwave Conference, EuMC 2021 (2022) 
Publisher DOI
10.23919/EuMC50147.2022.9784160
Scopus ID
2-s2.0-85133007638
This paper presents a self-diplexing microstrip patch antenna (MPA) for dual-band operation in the satellite communication bands around 20 GHz and 30 GHz. By providing two orthogonal linear polarizations in both bands, left and right circular polarization (CP) can be generated with proper external circuity. The footprint of the antenna is smaller than 5x5 mm2. It thus fits in half the free space wavelength grid at 30 GHz, as imposed by array physics for wide grating lobe free scan ranges. The antenna is realized with only four layers in standard printed circuit board (PCB) technology. Its -10 dB-reflection bandwidth reaches 0.6 GHz and 1.25 GHz around 20 GHz and 30 GHz, respectively. The port isolation is better than 15 dB in the lower and 25 dB in the upper band.
Schlagworte
circular polarization
dual frequency
dual linear polarization
patch antenna
satellite communication
self-diplexing