Title:
送信装置及び送信方法
Document Type and Number:
Japanese Patent JP6446192
Kind Code:
B2
Abstract:
A transmission apparatus includes a digital amplifier having a plurality of class-D amplifiers connected in parallel to each other, each of the class-D amplifiers including a logic circuit that processes input signals from two input terminals and outputs the input signals to one of two output terminals, according to a selection signal, and including capacitors connected in series to the two output terminals, respectively, a first selection circuit that outputs either an in-phase component or a quadrature component of a transmission signal to the digital amplifier depending on the selection signal, and a second selection circuit that outputs either an in-phase component carrier signal or a quadrature component carrier signal to the digital amplifier depending on the selection signal.
Inventors:
Masakatsu Maeda
Adachi Hisashi
Omo Akitoku
Kenichi Mori
Adachi Hisashi
Omo Akitoku
Kenichi Mori
Application Number:
JP2014140379A
Publication Date:
December 26, 2018
Filing Date:
July 08, 2014
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H03F3/217; H03F3/24; H03F3/68
Domestic Patent References:
| JP2013517746A | ||||
| JP2012527193A | ||||
| JP2013517695A |
Foreign References:
| US20120128092 | ||||
| US20060291589 |
Other References:
Sang-Min Yoo, Jeffrey S. Walling et al.,A Switched-Capacitor RF Power Amplifier,IEEE Journal of Solid-State Circuits,米国,IEEE,2011年 9月 6日,pages.2977-2987
Attorney, Agent or Firm:
Koichi Washida