Modulation method and apparatus

Multifunction-RF-circuit

Multistage modulation architecture and method in a radio

Paging transmitter having broadband exciter using an intermediat

Passive mixer with improved linearity

Passive mixer with improved linearity

Polar transmitter, method and apparatus for phase modulation

Power-mixer architecture for a transmitter

Programmable IF bandwidth using fixed bandwidth filters

Radio communication device

Radio-frequency IC for a mobile radio transmitter

RF tuning circuit which provides image frequency rejection

Semiconductor integrated circuit device and wireless...

Signal amplifier structure for radio transmitter

Signal generation in a communications transmitter

Signal processing circuit and communication device using the...

Single side band transmissions

Transmission method, transmitter, reception method, and...

Transmit-receive system and transmission method, in particular f

Universal modulator