公开(公告)号：US20250077462A1

公开(公告)日：2025-03-06

申请号：US18462107

申请日：2023-09-06

Applicant: QUALCOMM Incorporated

Inventor： Panchami DEVASHYA SHIVARAMA ,  Ying DUAN ,  Qinqing CAO ,  Seuk SON ,  Mansoor Basha SHAIK ,  Abhay DIXIT

IPC: G06F13/42 ,  G06F13/40

Abstract: An input buffer includes a pair of input transistors and associated injection circuits. A first input transistor has a source coupled to a first voltage rail through a first current source and a gate coupled to a first wire of a multi-wire serial bus. Three or more resistors in a first injection circuit couple the wires of the serial bus to a first common node, which is coupled to the source of the first input transistor by a first capacitor. A second input transistor has a source coupled to the first voltage rail through a second current source and a gate coupled to a second wire of the serial bus. Three or more resistors in a second injection circuit couple the wires of the multi-wire serial bus to a second common node, which is coupled to the source of the second input transistor by a second capacitor.

公开(公告)号：US20250007628A1

公开(公告)日：2025-01-02

申请号：US18345589

申请日：2023-06-30

Applicant: QUALCOMM Incorporated

Inventor： Ying DUAN ,  Seuk SON ,  Qinqing CAO ,  Panchami DEVASHYA SHIVARAMA ,  Abhay DIXIT ,  Dhaval SEJPAL ,  Mansoor Basha SHAIK

IPC: H04B17/17

Abstract: An apparatus, including: a first signal receiver circuit including: a first reference voltage generator configured to generate a first reference voltage that tracks noise present in a supply voltage used to generate a first single-ended signal; and a first comparator configured to generate a first signal based on a comparison of the first single-ended signal and the first reference voltage.