公开(公告)号：US10727790B2

公开(公告)日：2020-07-28

申请号：US15963806

申请日：2018-04-26

Applicant: QUALCOMM Incorporated

Inventor： Andreea Balteanu ,  Mahim Ranjan

IPC: H03F3/04 ,  H03F1/12 ,  H03F3/195 ,  H03F3/213 ,  H03F3/68 ,  H04B1/04

Abstract: An output driver with programmable single-ended and differential outputs includes a first switch, a first output attenuator, and a programmable attenuator. The first switch is coupled in a shunt configuration to a first path of a differential output of a first amplifier. The first output attenuator is included in the first path and is coupled to the first switch in accordance with the shunt configuration. The programmable attenuator is included in a second path of the differential output of the first amplifier.

公开(公告)号：US10581389B1

公开(公告)日：2020-03-03

申请号：US16146525

申请日：2018-09-28

Applicant: QUALCOMM Incorporated

Inventor： Andreea Balteanu ,  Karthikeya Aruppukottai Boominathan ,  Mahim Ranjan ,  Ning Yuan

IPC: H03F3/45 ,  H03F1/56 ,  H04B1/16 ,  H03F1/02 ,  H04B1/04

Abstract: A reconfigurable amplifier load includes a power supply node, a first inductor comprising a first terminal coupled to a first switch, and a second inductor comprising a first terminal coupled to a second switch. The reconfigurable amplifier load further includes a third inductor comprising a first terminal coupled to the first switch. The first switch is configured to selectively couple the first terminal of the third inductor to the power supply node. A fourth inductor comprising a first terminal coupled to the second switch. The second switch is configured to selectively couple the first terminal of the fourth inductor to the power supply node. At least one additional switch configured to selectively couple a second terminal of the first inductor or a second terminal of the second inductor or both the second terminal of the first inductor and the second terminal of the second inductor to the power supply node.