Double modulation scheme for switching mixers controlled by sigma-delta modulators. - Per Asbeck Nielsen; Carsten Fallesen (ICECS, 1998)

A 29 dBm 1.9 GHz class B power amplifier in a digital CMOS process. - Per Asbeck; Carsten Fallesen (ICECS, 2000)

A polar linearisation system for RF power amplifiers. - Per Asbeck; Carsten Fallesen (ICECS, 2000)