公开(公告)号：US20250080077A1

公开(公告)日：2025-03-06

申请号：US18458910

申请日：2023-08-30

Applicant: QUALCOMM Incorporated

Inventor： Cheng-Han WANG ,  Takahide NISHIO ,  Tu-I TSAI ,  Mu LU ,  Chan Hong PARK

IPC: H03H7/38 ,  H03F3/24

Abstract: An apparatus including: a transmitter output impedance matching circuit including an inductive element; a low noise amplifier (LNA) including a first field effect transistor (PET); a receiver input impedance matching circuit, including: a transformer including a first winding and a second winding; and a capacitor coupled in series with the first winding between a first end of the inductive element and a gate of the first FET, wherein the second winding is coupled to a second end of the inductive element; and a radio frequency (RF) port coupled between the first end of the inductive element and the capacitor.

公开(公告)号：US20240080062A1

公开(公告)日：2024-03-07

申请号：US17939409

申请日：2022-09-07

Applicant: QUALCOMM Incorporated

Inventor： Cheng-Han WANG ,  Yi ZENG ,  Takahide NISHIO ,  Chan Hong PARK ,  Emanuele LOPELLI ,  Liang ZHAO

IPC: H04B1/44 ,  H03F3/24

CPC classification number: H04B1/44 ,  H03F3/245 ,  H03F2200/294 ,  H03F2200/451

Abstract: An apparatus includes a low-noise amplifier having an input and an output, a first switch coupled between the input of the low-noise amplifier and the output of the low-noise amplifier, and a transformer including a first inductor and a second inductor, wherein the first inductor is coupled to the output of the low-noise amplifier. The apparatus also includes a power amplifier having an input and an output, and a switching circuit coupled between the output of the power amplifier and the second inductor.