Patent · US Active

High-frequency front end module and communication device

US11621732B2 · kind B2 · utility

1Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2022
Grant dateApr 4, 2023
Priority date
Expiry dateFeb 22, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B7/0413
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A high-frequency front end module includes a primary antenna terminal and a secondary antenna terminal, a first multiplexer and a second multiplexer, a switch circuit, and a first amplifier and a second amplifier. The first multiplexer has a first transmission filter and a first reception filter. The second multiplexer has a second transmission filter and a second reception filter. The switch circuit exclusively switches connection between the primary antenna terminal and the first multiplexer and connection between the primary antenna terminal and the second multiplexer, and exclusively switches connection between the secondary antenna terminal and the first multiplexer and connection between the secondary antenna terminal and the second multiplexer.

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