Design of a highly efficient analog-to-digital converter for Wi-Fi 7 devices = Pidevaja Sigma-Delta muunduri disain Wi-Fi 7 seadmeteleKampus, Vahur2025 https://www.ester.ee/record=b5752898*est https://digikogu.taltech.ee/et/Item/156d4c1c-e0f9-45aa-93a9-2cc8f1431aa0 https://doi.org/10.23658/taltech.46/2025

Five-Stage, Power Efficient, Dual Rail, 100MHz, 10dB Programmable Gain Amplifier with Down-Stepping Functions in 28nm CMOSKampus, Vahur; Teschner, Robert; Gaier, Ulrich; Linder, Thomas; Nössing, Gerhard; Trojer, MartinIEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, 26-29 May 2019 : proceedings2019 / p. 1-5 https://doi.org//10.1109/ISCAS.2019.8702077

A fully differential, 200MHz, programmable gain, level-shifting, hybrid amplifier/power combiner/test buffer, using pre-distortion for enhanced linearityKampus, Vahur; Rang, Toomas; Knaller, DanielPRIME 2018 : 14th Conference on PhD Research in Microelectronics and Electronics2018 / p. 5-8 : ill https://doi.org/10.1109/PRIME.2018.8430372

Innovative RFDAC concepts for digital multi-mode transmitter in cellular applicationsFulde, Michael; Kuttner, Franz; Thaller, Edwin; Ponton, Davide; Kampus, Vahur; Gruenberger, Simon; Habibovic, Harun; Santner, Andreas; Duller, Christoph; Krassnitzer, Christian; Babin, Gernot; Knoblinger, GerhardProceedings of the 2013 9th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), 24-27 June 20132013 / p. 9-10 http://doi.org/10.1109/PRIME.2013.6603139

Multi-purpose receiver chain for wifi applicationsDi Giandomenico, Antonio; Kampus, Vahur; Walter, Sergio; Kahl, Alexander; Trautmann, Steffen2021 https://patents.justia.com/patent/20190288721#description

Multi-purpose receiver chain for wifi applications : [United States Patent]Di Giandomenico, Antonio; Kampus, Vahur; Walter, Sergio; Kahl, Alexander; Trautmann, Steffen2023 https://pubchem.ncbi.nlm.nih.gov/patent/US-11716102-B2 https://patentimages.storage.googleapis.com/df/10/03/e9a1aa21b446c5/US11716102.pdf

Ring-oscillator with multiple transconductors for linear analog-to-digital conversionAlvero-Gonzalez, Leidy Mabel; Medina, Victor; Kampus, Vahur; Paton, Susana; Hernandez, Luis; Gutierrez, EricElectronics (Switzerland)2021 / art. 1408 https://doi.org/10.3390/electronics10121408 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Sigma-delta converterDi Giandomenico, Antonio; Kampus, Vahur2018 https://patents.google.com/patent/EP3340474A1/en

A smart capless voltage regulator for very high bandwidth A/D and D/A converters in a standard 28nm CMOS processKampus, Vahur; Rang, ToomasBEC 2016 : 2016 15th Biennial Baltic Electronics Conference : proceedings of the 15th Biennial Baltic Electronics Conference : Tallinn University of Technology, October 3-5, 2016, Tallinn, Estonia2016 / p. 43-46 : ill http://www.ester.ee/record=b2150914*est

13.2 A digital multimode polar transmitter supporting 40MHz LTE Carrier Aggregation in 28nm CMOSFulde, Michael; Belitzer, Alexander; Boos, Zdravko; Bruennert, Michael; Fritzin, Jonas; Geltinger, Hans; Groinig, Marcus; Gruber, Daniel; Gruenberger, Simon; Hartig, Thomas; Kampus, Vahur2017 IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, USA, 20172017 / p. 218-220 : ill https://doi.org/10.1109/ISSCC.2017.7870339

Unleashing the full power of feed-forward opamps: a 200MHz, fully differential, conditionally stable, 36dB gain PGA, using a four-stage multi-path 2.5V amplifier with double feed-forward compensationKampus, Vahur; Trojer, Martin; Teschner, Robert2018 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC), Tallinn, Estonia, 2018 : proceedings2018 / p. 1-5 https://doi.org//10.1109/NORCHIP.2018.8573502