Toshio Obara

Direct conversion receiver and dc offset reducing method

Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication

Radio equipment and transmit power controlling method for the same

Antenna selection diversity apparatus and receiving method

Power amplifier, power control method for power amplifier, and communication equipment

Transceiver circuits for TDMA system with variable frequency second local oscillator

Wireless communication apparatus and transmission power control method in wireless communication apparatus

Radii and transmission power control method in the radio and storage medium

Transmission power control method and transmission power controller, and mobile wireless station

Circuit for power amplification, control method of circuit for power amplification and portable terminal device