Patent · US Active

Transmit-receive front end

US9031517B2 · kind B2 · utility

12Cited by

29References

20Claims

0Family size

Assignee

MEDIATEK INC. · TW

Inventors

Albert Chia-Wen Jerng · Los Gatos, US
Wen-Kai Li · Taipei, TW
Chien-Cheng Lin · Taipei, TW

Key dates

Filing date	Sep 28, 2011
Grant date	May 12, 2015
Priority date	—
Expiry date	Jul 1, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH03F2200/294
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

The present invention discloses a transmit-receive (TR) front end. The TR front end includes a low-noise amplifier (LNA); a power amplifier (PA); a transformer, coupled to the PA, for increasing a voltage swing and a power transmission of the PA; and a TR switch, coupled between the transformer and the LNA. The LNA is single ended and there is no transformer between the LNA and the TR switch.

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