Circuit complexity problems of integrated programmable cellular neural networksPorra, Veikko; Paasio, Ari; Halonen, KariBEC : Baltic Electronics Conference : proceedings of the 4th Biennial Conference, October 9-14, 1994, Tallinn (Estonia). 21994 / p. 411-416: ill A CMOS quadrature baseband frequency synthesizer/modulatorKosunen, Marko; Vankka, Jouko; Waltari, Mikko; Sumanen, Lauri; Koli, Kimmo; Halonen, KariBEC'98 : the 6th Biennial Conference on Electronics and Microsystems Technology, October 7-9, 1998, Tallinn, Estonia : proceedings1998 / p. 219-222: ill Dynamic element matching techniques for multibit modulatorsLindfors, Saska; Ööpik, Priit; Halonen, KariProceedings of the 1996 URSI/IEE/IRC XXI National Convention on Radio Science, 2-3 October 1996, Espoo, Finland1996 / p. 179-180 A 48 by 48 CMOS cellular neural network chip for image processingPaasio, Ari; Kananen, Asko; Halonen, Kari; Porra, VeikkoBEC'98 : the 6th Biennial Conference on Electronics and Microsystems Technology, October 7-9, 1998, Tallinn, Estonia : proceedings1998 / p. 87-88 Integrated RF circuit solutions for radio communication systemsHalonen, Kari; Koli, Kimmo; Porra, VeikkoBEC : Baltic Electronics Conference : proceedings of the 4th Biennial Conference, October 9-14, 1994, Tallinn (Estonia). 21994 / p. 473-478: ill Low voltage inegrated BiCMOS circuits for a 2 GHz tranceiverPorra, Veikko; Halonen, Kari; Koli, Kimmo; Pääkkönen, M.; Siilasto, S.; Tiiliharju, E.; Tolonen, P.; Wahlroos, T.BEC'96 : the 5th Biennial Baltic Electronics Conference, October 7-11, 1996, Tallinn, Estonia : proceedings1996 / p. 175-178: ill N-path dynamic element matching for multibit bandbass sigmadelta modulatorsLindfors, Saska; Ööpik, Priit; Halonen, KariInternational journal of circuit theory and applications1997 / p. 335-346: ill 2019 IEEE Nordic Circuits and Systems Conference (NORCAS) : NORCHIP and International Symposium of System-on-Chip (SoC), 29-30 October 2019, Helsinki, Finland : proceedings in IEEE Xplore2019