A TRANSMITTER FOR CARRIER AGGREGATION

摘要

Provided is a transmission apparatus which can support non-adjacent carrier aggregation in a white space frequency band. The transmission apparatus comprises: a signal combination unit which amplifies a first differential RF signal (RF_(in1)) modulated to be transmitted in a first frequency band and a second differential RF signal (RF_(in2)) modulated to be transmitted in a second frequency band non-adjacent to the first frequency band, and generates an RF signal in which the amplified first differential RF signal (RF_(in1)) and the amplified second differential RF signal (RF_(in2)) are summated in a current mode scheme; and a power amplifier which amplifies the generated RF signal.