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:
Mar. 31, 2020
Filed:
May. 18, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Yuji Komatsuzaki, Tokyo, JP;
Shintaro Shinjo, Tokyo, JP;
Keigo Nakatani, Tokyo, JP;
Shohei Imai, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
In a Doherty amplifier including a carrier amplifier () and a peaking amplifier () connected in parallel with each other, a compensation circuit () for causing an impedance seen from an output end () of the compensation circuit () toward the peaking amplifier () to be open within a used frequency range and compensating for frequency dependence of an impedance seen from an output of a combiner () toward the combiner () in a state in which the peaking amplifier () is not operating is arranged between the peaking amplifier () and the combiner (). This achieves a wider bandwidth without making the circuit larger in size and more complicated.