Power management system for ultra-low power energy harvesting applications. - Jarno Salomaa; Mika Pulkkinen; Tuomas Haapala; Marko Nurmi; Kari Halonen (ISCAS, 2015)

45.2% Energy efficiency improvement of UWB IR Tx by use of differential PPM in 180nm CMOS. - Mika Pulkkinen; Tuomas Haapala; Jarno Salomaa; Kari Halonen (ISCAS, 2016)

Energy harvesting ASIC for autonomous sensors. - Jarno Salomaa; Mika Pulkkinen; Tuomas Haapala; Shailesh Singh Chouhan; Kari Halonen (ISCAS, 2016)

A 180-nW static power UWB IR transmitter front-end for energy harvesting applications. - Tuomas Haapala; Mika Pulkkinen; Jarno Salomaa; Kari Halonen (ISCAS, 2017)

462-nW 2-axis gesture sensor interface based on capacitively controlled ring oscillators. - Mika Pulkkinen; Jarno Salomaa; Mohammad Mehdi Moayer; Tuomas Haapala; Kari Halonen (ISCAS, 2017)

A Fully Integrated Digitally Programmable Pulse Shaping 6.0-8.5 GHz UWB IR Transmitter Front-End for Energy Harvesting Applications. - Tuomas Haapala; Kari Halonen (ISCAS, 2018)

A Fully Integrated Programmable 6.0-8.5-GHz UWB IR Transmitter Front-End for Energy-Harvesting Devices. - Tuomas Haapala; Tuomas Rantataro; Kari A. I. Halonen (IEEE J. Solid State Circuits, 2020)

Temperature Compensation of Crystal References in NB-IoT Modems. - Tuomas Haapala; Antonio Liscidini; Kari A. I. Halonen (IEEE Trans. Circuits Syst. I Regul. Pap., 2020)

Low-Power Wireless Transceiver With 67-nW Differential Pulse-Position Modulation Transmitter. - Mika Pulkkinen; Tuomas Haapala; Jarno Salomaa; Kari Halonen (IEEE Trans. Circuits Syst., 2020)