Title:
TRANSMISSION DIVERSITY HIGH-FREQUENCY CIRCUIT AND METHOD OF TRANSMITTING
Document Type and Number:
Japanese Patent JP2013236145
Kind Code:
A
Abstract:
To provide a high-frequency circuit excellent in electric characteristics, configured with a balanced amplifier, and capable of suppressing insertion loss increase and avoiding enlargement of a circuit while antenna diversity is usable.
The transmission diversity high-frequency circuit includes a first circulator connected to a first output port of a balanced amplifier through a switch circuit, a second circulator connected to a second output port through the switch circuit, and a terminal circuit between each output port and a ground.
Inventors:
KISHIMOTO YASUSHI
Application Number:
JP2012105749A
Publication Date:
November 21, 2013
Filing Date:
May 07, 2012
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
H04B7/06; H01Q1/24; H01Q3/24; H03F3/24; H04B1/04; H04B1/40