US 11,721,902 B2
Wide band loop type ground radiating antenna
Pasi Rahikkala, Vihti (FI); Tuomas Hänninen, Helsinki (FI); and Attila Zólomy, Budapest (HU)
Assigned to Silicon Laboratories Inc., Austin, TX (US)
Filed by Silicon Laboratories Inc., Austin, TX (US)
Filed on May 20, 2021, as Appl. No. 17/325,548.
Prior Publication US 2022/0376395 A1, Nov. 24, 2022
Int. Cl. H01Q 1/48 (2006.01); H01Q 7/00 (2006.01)
CPC H01Q 7/00 (2013.01) [H01Q 1/48 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A loop type ground radiation antenna, comprising two resonance frequencies, wherein a first resonance frequency is between 2.1 GHz and 2.45 GHz and a second resonance frequency is between 2.45 GHz and 2.8 GHz, wherein the loop type ground radiation antenna is a wide band antenna having a return loss of less than −10 dB over a range of more than 800 MHz.