Title :
A wideband 65nm CMOS transformer-coupled power amplifier for WiGig applications
Author :
Larie, Aurelien ; Kerherve, Eric ; Martineau, Baudouin ; Belot, Didier
Author_Institution :
IMS Lab., Univ. of Bordeaux, Talence, France
Abstract :
This paper describes a compact two-stage pseudodifferential cascode power amplifier implemented in 7-metal-layer 65nm Low-Power CMOS process. A cascode topology is associated with wideband matching networks which combine integrated transformers and slow-wave transmission lines. The power amplifier achieves 26GHz of bandwidth from 48GHz to 74GHz, with a 1dB ripple flat gain between 50GHz and 70GHz. The circuit delivers 1dB-compressed and saturated output powers of 9.5dBm and 13dBm respectively, for a maximum power added efficiency of 6%. The active area occupies only 0.048mm2.
Keywords :
CMOS integrated circuits; power amplifiers; wideband amplifiers; WiGig applications; bandwidth 26 GHz; cascode topology; compact two-stage pseudodifferential cascode power amplifier; efficiency 6 percent; frequency 48 GHz to 74 GHz; frequency 50 GHz to 70 GHz; integrated transformers; size 65 nm; slow-wave transmission lines; wideband CMOS transformer-coupled power amplifier; wideband matching networks; CMOS integrated circuits; Impedance; Power amplifiers; Power transmission lines; Transmission line measurements; Wideband; 60GHz; 65nm CMOS; integrated transformers; slow-wave transmission lines; wideband power amplifier;
Conference_Titel :
European Microwave Integrated Circuit Conference (EuMIC), 2014 9th
Conference_Location :
Rome
DOI :
10.1109/EuMIC.2014.6997786
