A 500MHz– 2.7 GHz 8-path weaver downconverter with harmonic rejection and embedded filtering

Remko E. Struiksma, Eric A.M. Klumperink, Bram Nauta, Frank E. van Vliet
2014 ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)  
This paper describes a combination of a Weaver mixer and an N-path filter for a superheterodyne receiver with a reconfigurable frequency plan. It uses an N-path topology driven with two different frequencies, effectively realizing a frequency shift together with band-pass filtering. To reduce transfers via harmonics other than the fundamental, a harmonic rejection scheme is used. A 28 nm FDSOI CMOS implementation with 30 dB harmonic rejection and an out-of-band IIP3 of >20 dBm is demonstrated.
doi:10.1109/esscirc.2014.6942062 dblp:conf/esscirc/StruiksmaKNV14 fatcat:44q55sek65ftpnmme2grpbm3ne