US 12,074,376 B2
Systems and methods for differential antenna driving
Patrick Marcus Naraine, Irvine, CA (US); and William J. Domino, Yorba Linda, CA (US)
Assigned to Skyworks Solutions, Inc., Irvine, CA (US)
Filed by Skyworks Solutions, Inc., Irvine, CA (US)
Filed on Oct. 29, 2021, as Appl. No. 17/452,858.
Claims priority of provisional application 63/109,783, filed on Nov. 4, 2020.
Prior Publication US 2022/0140499 A1, May 5, 2022
Int. Cl. H01Q 21/26 (2006.01); H01Q 1/24 (2006.01); H01Q 9/04 (2006.01); H01Q 21/00 (2006.01); H01Q 21/24 (2006.01); H01Q 23/00 (2006.01); H03F 3/24 (2006.01); H03F 3/45 (2006.01)
CPC H01Q 21/26 (2013.01) [H01Q 1/246 (2013.01); H01Q 9/0407 (2013.01); H01Q 21/0006 (2013.01); H01Q 21/24 (2013.01); H01Q 23/00 (2013.01); H03F 3/245 (2013.01); H03F 3/45475 (2013.01); H03F 2200/09 (2013.01); H03F 2200/451 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A front end system comprising:
at least one antenna including a first dipole having a first arm and a second arm and a second dipole;
a first power amplifier configured to receive a first transmit radio frequency signal from a baseband processor, amplify the first transmit radio frequency signal, and output the amplified first transmit radio frequency signal; and
at least one balun including a first balun and a second balun each configured to receive the amplified first transmit radio frequency signal from the first power amplifier, the first balun including a positive output configured to couple to the first arm of at the first dipole and a negative output configured to couple to the second arm of the first dipole, the second balun configured to couple to the second dipole, and the first and second baluns configured to provide the amplified first transmit radio frequency signals to the first and second dipoles such that the first transmit radio frequency signal when radiated from each of the first and second dipoles constructively interferes.