US 12,249,966 B2
Multi-mode multi-port driver for transceiver interface
Yung-Chung Lo, San Diego, CA (US); Hyejeong Song, San Diego, CA (US); Bhushan Shanti Asuri, San Diego, CA (US); and Sahar Nozari, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM INCORPORATED, San Diego, CA (US)
Filed on Apr. 29, 2024, as Appl. No. 18/648,789.
Application 18/648,789 is a division of application No. 17/478,431, filed on Sep. 17, 2021, granted, now 11,990,876.
Claims priority of provisional application 63/233,585, filed on Aug. 16, 2021.
Prior Publication US 2024/0275343 A1, Aug. 15, 2024
Int. Cl. H04B 1/40 (2015.01); H03F 1/02 (2006.01); H03F 3/193 (2006.01); H03F 3/21 (2006.01); H03F 3/24 (2006.01)
CPC H03F 3/245 (2013.01) [H03F 1/0211 (2013.01); H04B 1/40 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A load line impedance modulation circuit, comprising:
a magnetic circuit;
an adjustable capacitance coupled to an output of the magnetic circuit; and
a plurality of adjustable resistances coupled to the output of the magnetic circuit,
wherein the plurality of adjustable resistances are configured to select from available output ports, an impedance presented by the load line impedance modulation circuit being adjustable dependent on at least a number of selected output ports.