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A 500MHz– 2.7 GHz 8-path weaver downconverter with harmonic rejection and embedded filtering
2014
ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)
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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