" A 2.7V DECT Front-end/Synthesizer/Modem Chip Set," Matthijs Pardoen, Jakob Jongsma, Gerhard Schultes, Gerhard Fritz, Ferenc Mernyei, Janos Erdelyi, Tibor Kerekes,  MTT-S European Wireless '98 Conference, Oct. 1998.
 
LMX 3161, National Semiconductor

AD6411, Data Sheet, Analog Devices