Abstract
A novel approach for the practical realization of the feeding lines in connected array of slots is presented. The proposed feed concept is based on a parallel-plate waveguide (PPW) structure and allows simplifying the unit cell design. When compared to the typical integrated coaxial feed, the PPW-based feeding structure can reduce the cost and complexity of the array, by resulting in a lower number of metal layers and by allowing for large diameter vias. Two examples of the unit cell design, based on this new feed concept, are presented; one consists in a single-polarized array of connected slot, covering the band from 70 to 140 GHz; another example is referring to a single- and dual-polarized connected slot array covering the 2-8 GHz range.
| Original language | English |
|---|---|
| Pages (from-to) | 765-768 |
| Number of pages | 4 |
| Journal | IEEE Antennas and Wireless Propagation Letters |
| Volume | 21 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2022 |
Keywords
- antenna arrays
- antenna feed
- Dielectrics
- dual-polarization
- Feeds
- Impedance
- Metals
- Microstrip
- Slabs
- Transformers
- wideband arrays