The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2018
Filed:
Mar. 28, 2017
Qualcomm Incorporated, San Diego, CA (US);
Timothy Donald Gathman, San Diego, CA (US);
Chirag Dipak Patel, San Diego, CA (US);
Sasha Vujcic, San Diego, CA (US);
Aleksandar Miodrag Tasic, San Diego, CA (US);
Wu-Hsin Chen, San Diego, CA (US);
Klaas van Zalinge, La Jolla, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
A circuit includes an active balun having an RF signal input and having differential signal outputs, the active balun including a first pair of transistors coupled to the RF signal input, the first pair of transistors including a first transistor of a first type and a second transistor of a second type, wherein the first type and second type are complementary; and an intermodulation distortion (IMD) sink circuit having an operational amplifier (op amp) coupled between a first node and a second node, wherein the first transistor and second transistor are coupled in series between the first node and the second node.