US 12,407,099 B2
Phase shifter for base station antenna
Jitendra Thakur, Ballia (IN); Kumara Swamy Kasani, Godavarikhahani (IN); and Kamalakar Yeddula, Naddvala (IN)
Assigned to Outdoor Wireless Networks LLC, Richardson, TX (US)
Filed by Outdoor Wireless Networks LLC, Claremont, NC (US)
Filed on Aug. 8, 2023, as Appl. No. 18/366,785.
Claims priority of provisional application 63/398,911, filed on Aug. 18, 2022.
Prior Publication US 2024/0063539 A1, Feb. 22, 2024
Int. Cl. H01Q 3/32 (2006.01)
CPC H01Q 3/32 (2013.01) 20 Claims
OG exemplary drawing
 
1. A phase shifter, comprising:
an input port configured to receive a radio frequency (RF) signal;
a first conductive trace that is electrically connected to a first output port, the first output port configured to output a first phase-shifted sub-component of the RF signal; and
a wiper configured to couple the input port to the first conductive trace, the wiper comprising a first conductive pad adapted to slide on the first conductive trace,
wherein the first conductive trace comprises a first metal trace that has a plurality of slits formed therein where the metal is omitted, and
wherein each slit includes an enlarged portion formed along a length thereof.