公开(公告)号：US11990876B2

公开(公告)日：2024-05-21

申请号：US17478431

申请日：2021-09-17

Applicant: QUALCOMM INCORPORATED

Inventor： Yung-Chung Lo ,  Hyejeong Song ,  Bhushan Shanti Asuri ,  Sahar Nozari

IPC: H04B1/40 ,  H03F1/02 ,  H03F3/193 ,  H03F3/21 ,  H03F3/24

CPC classification number: H03F3/245 ,  H03F1/0211 ,  H04B1/40 ,  H03F2200/294 ,  H03F2200/451

Abstract: A transceiver interface circuit, comprising a driver amplifier (DA), a load line impedance modulation circuit coupled to the DA; and multiple selectable output ports coupled to the load line impedance modulation circuit, an impedance presented by the load line impedance modulation circuit being adjustable dependent on at least a number of output ports coupled to the load line impedance modulation circuit.

公开(公告)号：US12249966B2

公开(公告)日：2025-03-11

申请号：US18648789

申请日：2024-04-29

Applicant: QUALCOMM INCORPORATED

Inventor： Yung-Chung Lo ,  Hyejeong Song ,  Bhushan Shanti Asuri ,  Sahar Nozari

IPC: H04B1/40 ,  H03F1/02 ,  H03F3/193 ,  H03F3/21 ,  H03F3/24

Abstract: A load line impedance modulation circuit includes 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.