Patent · US Active

Multi-band radio frequency front-end device, multi-band receiver, and multi-band transmitter

US11683054B2 · kind B2 · utility

2Cited by

9References

18Claims

0Family size

Assignee

Huawei Technologies Co., Ltd. · CN

Inventors

Keji Cui · Lo Wu, CN
Di Li · Lanzhou, CN
Lei Lu · Kowloon, CN

Key dates

Filing date	Jun 28, 2021
Grant date	Jun 20, 2023
Priority date	—
Expiry date	Jun 28, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02D30/70
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A multi-band radio frequency front-end device, a multi-band receiver, and a multi-band transmitter, the multi-band radio frequency front-end device including a first radio frequency front-end circuit, where the first radio frequency front-end circuit works on a first band, a second radio frequency front-end circuit, where the second radio frequency front-end circuit works on a second band, a first input/output matching network, and a second input/output matching network, where routing of the first input/output matching network and routing of the second input/output matching network on a layout are annular and nested.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.