Find Research Outputs

Search results

• 94 GHz substrate integrated waveguide fed antenna in LTCC technology

  Bunea, A-C., Neculoiu, D., Lahti, M. & Vähä-Heikkilä, T., 2012, Proceedings: IEEE Asia-Pacific Conference on Antennas and Propagation, APCAP 2012. IEEE Institute of Electrical and Electronic Engineers, p. 283-284

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Substrate integrated waveguides
  • Antenna feeders
  • Antenna arrays
  • Antennas
  • Bandwidth
  1 Citation (Scopus)

• 9th Nordic Symposium on Tribology: NORDTRIB 2000. Vol. 1

  Andersson, P. (ed.), Ronkainen, H. (ed.) & Holmberg, K. (ed.), 2000, Espoo: VTT Technical Research Centre of Finland. 308 p. (VTT Symposium; No. 200).

  Research output: Book/Report › Book (editor) › Scientific › peer-review

  • Finland
  • public speaking
  • industrialization
  • Scandinavia
  • lubrication

• 9th Nordic Symposium on Tribology: NORDTRIB 2000. Vol. 2

  Andersson, P. (ed.), Ronkainen, H. (ed.) & Holmberg, K. (ed.), 2000, Espoo: VTT Technical Research Centre of Finland. 308 p. (VTT Symposium; No. 201).

  Research output: Book/Report › Book (editor) › Scientific › peer-review

  • Finland
  • public speaking
  • industrialization
  • Scandinavia
  • lubrication

• 9th Nordic Symposium on Tribology: NORDTRIB 2000. Vol. 3

  Andersson, P. (ed.), Ronkainen, H. (ed.) & Holmberg, K. (ed.), 2000, Espoo: VTT Technical Research Centre of Finland. 450 p. (VTT Symposium; No. 202).

  Research output: Book/Report › Book (editor) › Scientific › peer-review

  • Finland
  • public speaking
  • industrialization
  • Scandinavia
  • lubrication

• A/D-Interface for a micromechanical microphone readout

  Marjonen, J., Leppänen, A., Åberg, M., Sipola, H. & Hietanen, J., 2001, Proceedings of the 2001 19th Norchip Conference. Technoconsult, p. 234-239

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• A 0.2 MJ cryogen free Nb₃Sn SMES in UPS application

  Mikkonen, R., Kalliohaka, T., Korpela, A., Lehtonen, J. & Perälä, R., 2003, In: Superconductor Science and Technology. 16, 8, p. 946-950

  Research output: Contribution to journal › Article › Scientific › peer-review

  • magnetic energy storage
  • Magnets
  • Energy storage
  • magnets
  • power supplies
  8 Citations (Scopus)

• A 0-level packaged RF-MEMS switched wideband GaAs LNA MMIC

  Gustafsson, A., Samuelsson, C., Malmqvist, R., Seok, S., Fryziel, M., Rolland, N., Grandchamp, B., Vähä-Heikkilä, T. & Baggen, R., 2013, Proceedings of 8th European Microwave Integrated Circuits Conference, EuMIC 2013. European Microwave Association (EuMA), p. 432-435

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Monolithic microwave integrated circuits
  • MEMS
  • Noise figure
  • Networks (circuits)
  1 Citation (Scopus)

• A 1.6 GHz current-controlled oscillator with integrated inductor

  Tarvainen, E., Ronkainen, H. & Kuivalainen, P., 1998, In: Analog Integrated Circuits and Signal Processing. 15, 1, p. 85 - 95

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Silicon
  • Varactors
  • Bipolar transistors
  • Integrated circuit design
  • Metallizing
  1 Citation (Scopus)

• A 1.8 T Permanent Magnet Wiggler for MAX-lab

  Ahola, H., Meinander, T., Ryynänen, M. & Tahvanainen, J., 1996, In: IEEE Transactions on Magnetics. 32, 4, p. 2703-2706

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Storage rings
  • X rays
  • Permanent magnets
  • Photons
  • Particle accelerators

• A 10-bit, 1.8-GS/s time-interleaved pipeline ADC

  Hakkarainen, V., Rantala, A., Aho, M., Riikonen, J., Gomes-Martins, D., Åberg, M. & Halonen, K., 2007, Proceedings of the 14th IEEE International Conference on Electronics, Circuits, and Systems. IEEE Institute of Electrical and Electronic Engineers, p. 673-676

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Digital to analog conversion
  • Pipelines
  • Clocks
  • Calibration
  • Sampling
  3 Citations (Scopus)

• A 10-bit, 1.8-GS/s Time-Interleaved Pipeline ADC

  Åberg, M., Rantala, A., Gomes-Martins, D., Hakkarainen, V., Aho, M., Riikonen, J. & Halonen, K., 2008, Proceedings of AMICSA 2008. p. 71-76

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• A 12 MHz micromechanical bulk acoustic mode oscillator

  Mattila, T., Kiihamäki, J., Lamminmäki, T., Jaakkola, O., Rantakari, P., Oja, A., Seppä, H., Kattelus, H. & Tittonen, I., 2002, In: Sensors and Actuators A: Physical. 101, 1-2, p. 1-9

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Silicon
  • Micromechanical resonators
  • oscillators
  • Bias voltage
  • Micromechanics
  125 Citations (Scopus)

• A 16 x 16 vector modulator matrix for personal communications satellites

  Åberg, M. & Marjonen, J., 1996, 14th Norchip Seminar: Proceedings. Copenhagen: Technoconsult, p. 73-80

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• A 1 GHz CMOS prescaler for RF synthesizers

  Pohjonen, H. & Ronkainen, H., 1988, 1988 IEEE International Symposium on Circuits and Systems, ISCAS 88. Espoo: IEEE Institute of Electrical and Electronic Engineers, Vol. 2. p. 377-380

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Logic
  • Front-end
  • Scaling
  • Layout
  1 Citation (Scopus)

• A 2.4 GHz SiP radio module with embedded antenna and IPD matching and filter circuits

  Hirvonen, M., Vähä-Heikkilä, T., Yrjänä, S., Mäkelä, R. & Järvinen, P., 1 Sep 2016, In: Microwave and Optical Technology Letters. 58, 9, p. 2062-2064 3 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • System-in-package
  • antennas
  • modules
  • Radio transceivers
  • filters
  4 Citations (Scopus)

• A 20-50 GHz Reconfigurable Matching Network for Power Amplifier Applications

  Vähä-Heikkilä, T. & Rebeiz, G. M., 2004, 2004 IEEE MTT-S International Microwave Symposium Digest. IEEE Institute of Electrical and Electronic Engineers, p. 717-721 (IEEE MTT-S International Microwave Symposium Digest, Vol. 2004).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Power amplifiers
  • Acoustic impedance
  • Tuners
  • MEMS
  • Glass
  42 Citations (Scopus)

• A 20-50 GHz RF MEMS single-stub impedance tuner

  Vähä-Heikkilä, T., Varis, J., Tuovinen, J. & Reibeiz, G. M., 2005, In: IEEE Microwave and Wireless Components Letters. 15, 4, p. 205 - 207 3 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • tuners
  • Tuners
  • microelectromechanical systems
  • MEMS
  • radio frequencies
  33 Citations (Scopus)

• A 20 GHz Antenna Integrated RF MEMS Based Router and Switching Networks Made on Quartz

  Malmqvist, R., Cheng, S., Rantakari, P., Samuelsson, C., Carlegrim, B., Vähä-Heikkilä, T., Sagberg, H., Holter, B., Hanke, U., Rydberg, A. & Varis, J., 2009, Smart Systems Integrations, 10 – 11 March 2009, Brussels, Belgium. Brussels

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  • Switching networks
  • Quartz
  • Routers
  • MEMS
  • Substrates

• A 24-channel magnetometer for brain research

  Kajola, M., Ahlfors, S., Ehnholm, G. J., Hällström, J., Hämäläinen, M. S., Ilmoniemi, R. J., Kiviranta, M., Knuutila, J., Lounasmaa, O. V., Tesche, C. D. & Vilkman, V., 1990, Advances in Biomagnetism. Williamson, S. J., Hoke, M., Stroink, G. & Kotani, M. (eds.). Boston: Springer, p. 673-676

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Scientific › peer-review

  • Magnetometers
  • Brain
  • Dewars
  • SQUIDs
  • Computer hardware

• A 2D numerical study on the effect of conductor shape on icing collision efficiency

  Zhang, J., Makkonen, L. & He, Q., 2017, In: Cold Regions Science and Technology. 143, p. 52-58 7 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • collision
  • Water
  • droplet
  • Freezing
  • power line
  5 Citations (Scopus)

• A 3.15pJ/cyc 32-bit RISC CPU with timing-error prevention and adaptive clocking in 28nm CMOS

  Hiienkari, M., Teittinen, J., Koskinen, L., Turnquist, M., Kaltiokallio, M., Mäkipää, J., Rantala, A. & Sopanen, M., 2014, Proceedings of the IEEE 2014 Custom Integrated Circuits Conference. IEEE Institute of Electrical and Electronic Engineers, p. 1-4

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • energy saving
  • energy efficiency
  • energy consumption
  • safety
  • energy
  8 Citations (Scopus)

• A 32x32 CMOS Photogate active pixel sensor matrix

  Tukkiniemi, K., 2002, Proceedings of the 8th Biennial Baltic Electronics Conference. Tallinn: Tallinna Tehnikaülikool, p. 107-110

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Pixels
  • Sensors
  • Electrons
  • Transistors
  • Lighting

• A 3D coupled moisture-stress numerical analysis for timber structures: Keynote Lecture

  Fortino, S., Hanhijärvi, A., Mirianon, F. & Toratti, T., 2008, Proceedings of the 8th World Congress on Computational Mechanics, WCCM8, 5th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2008. Schrefler, B. A. & Perego, U. (eds.). Barcelona: International Center for Numerical Methods in Engineering (CIMNE), 2 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• A 3D micromechanical compass

  Kyynäräinen, J., Saarilahti, J., Kattelus, H., Kärkkäinen, A., Meinander, T., Oja, A., Pekko, P., Seppä, H., Suhonen, M., Kuisma, H., Ruotsalainen, S. & Tilli, M., 10 Apr 2008, In: Sensors and Actuators A: Physical. 142, 2, p. 561-568 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Magnetometers
  • magnetometers
  • chips
  • coils
  • Fluxes
  74 Citations (Scopus)

• A 3D micromechanical study of deformation curves and cell wall stresses in wood under transverse loading

  Fortino, S., Hradil, P., Salminen, L. I. & De Magistris, F., Jan 2015, In: Journal of Materials Science. 50, 1, p. 482-492

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Cells
  • Wood
  • Pulp manufacture
  • Chemical reactions
  • Microstructure
  19 Citations (Scopus)

• A 3-D miniaturized high selectivity bandpass filter in LTCC technology

  Arabi, E., Lahti, M., Vähä-Heikkilä, T. & Shamim, A., 2014, In: IEEE Microwave and Wireless Components Letters. 24, 1, p. 8-10

  Research output: Contribution to journal › Article › Scientific › peer-review

  • bandpass filters
  • Bandpass filters
  • selectivity
  • System-on-package
  • filters
  22 Citations (Scopus)

• A 3D model based control of an excavator

  Makkonen, T., Nevala, K. & Heikkilä, R., 2006, In: Automation in Construction. 15, 5, p. 571-577

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Excavators
  • Computer aided design
  • Machinery
  • Global positioning system
  • Control systems
  22 Citations (Scopus)

• A 3-D model-based registration approach for the PET, MR and MCG cardiac data fusion

  Mäkelä, T., Pham, Q. C., Clarysse, P., Nenonen, J., Lötjönen, J., Sipilä, O., Hänninen, H., Lauerma, K., Knuuti, J., Katila, T. & Magnin, I. E., 2003, In: Medical Image Analysis. 7, 3, p. 377-389

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Magnetocardiography
  • Positron emission tomography
  • Data fusion
  • Positron-Emission Tomography
  • Magnetic resonance
  45 Citations (Scopus)

• A 3D moisture-stress FEM analysis for time dependent problems in timber structures

  Fortino, S., Mirianon, F. & Toratti, T., 2009, In: Mechanics of Time-Dependent Materials. 13, 333, p. 333-356 23 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Timber
  • Moisture
  • Finite element method
  • Subroutines
  • Stress analysis
  64 Citations (Scopus)

• A 3-D packaging concept for cost effective packaging of MEMS and ASIC on wafer level

  Baumgartner, T., Töpper, M., Klein, M., Schmid, B., Knödler, D., Kuisma, H., Nurmi, S., Kattelus, H., Dekker, J. & Schachler, R., 2009, Proceedings of the European Microelectronics and Packaging Conference & Exhibition. IMAPS-International Microelectronics and Packaging Society, 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

  2 Citations (Scopus)

• A 3x3 multiplier based on a single clocked adiabatic logic

  Marjonen, J. & Åberg, M., 2002, Proceedings of the 2002 20th Norchip Conference: The Nordic Event in ASIC Design. Copenhagen: Technoconsult, p. 208-213

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• A 400-GHz Graphene FET Detector

  Generalov, A. A., Andersson, M. A., Yang, X., Vorobiev, A. & Stake, J., 2017, In: IEEE Transactions on Terahertz Science and Technology. 7, 5, p. 614-616 3 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Graphene
  • Field effect transistors
  • graphene
  • field effect transistors
  • Detectors
  26 Citations (Scopus)

• A 40-GHz MMIC frequency divider-by-two

  Koivunen, K. & Jenu, M., 1997, 27th European Microwave Conference. Tel-Aviv: IEEE Institute of Electrical and Electronic Engineers, Vol. 2. p. 662-667

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

  • Monolithic microwave integrated circuits
  • High electron mobility transistors
  • Networks (circuits)
  • Bandwidth
  2 Citations (Scopus)

• A 4–18‐GHz reconfigurable RF MEMS matching network for power amplifier applications

  Vähä-Heikkilä, T. & Rebeiz, G. M., 2004, In: International Journal of RF and Microwave Computer-Aided Engineering. 14, 4, p. 356 - 372 17 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Power amplifiers
  • MEMS
  • Acoustic impedance
  • Tuners
  • Antenna phased arrays
  51 Citations (Scopus)

• A 500 kHz micromechanical oscillator based on cantilever resonator

  Ylimaula, M. & Åberg, M., 2001, Circuit paradigm in the 21st century: ECCTD '01: proceedings of the 15th European Conference on Circuit Theory and Design. Porra, V. (ed.). Espoo: Helsinki University of Technology, Vol. 3. p. 369-372 (Helsinki University of Technology: Electronic Circuit Design Laboratory. Publications, Vol. 33:a).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• A 50 kW PEMFC pilot plant operated with industry grade hydrogen: System design and site integration

  Keränen, T., Karimäki, H., Nikiforow, K., Kukkonen, S., Uusalo, H., Viitakangas, J. & Ihonen, J., 2014, In: Fuel Cells. 14, 5, p. 701-708

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Pilot plants
  • Proton exchange membrane fuel cells (PEMFC)
  • Hydrogen
  • Systems analysis
  • Industry
  5 Citations (Scopus)

• A 60-GHz LNA using commercially available PM HEMTs for intersatellite and mobile communications

  Lunden, O-P., Sipilä, M. & Jenu, M., 1994, 1994 IEEE MTT-S International Microwave Symposium Digest. New York: IEEE Institute of Electrical and Electronic Engineers, p. 1341-1344

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Low noise amplifiers
  • High electron mobility transistors
  • Noise figure
  • Communication

• A 60-GHz semipassive MMID transponder for backscattering communications

  Kiuru, T., Pursula, P., Rajamäki, J. & Vähä-Heikkilä, T., 2013, Proceedings: IEEE MTT-S International Microwave Symposium Digest 2013, MTT 2013. IEEE Institute of Electrical and Electronic Engineers, 3 p. 6697382

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • transponders
  • backscattering
  • communication
  • diodes
  • laboratory equipment
  12 Citations (Scopus)

• A 6-24 GHz tunable MEMS impedance matching network

  Vähä-Heikkilä, T., Rizk, J., Varis, J. & Tuovinen, J., 2003, Proceedings of 3rd ESA Workshop On Millimetre Wave Technology and Applications: Circuits, systems, and measurement techniques. Mallat, J. A., Räisänen, A. & Tuovinen, J. (eds.). European Space Agency (ESA), p. 491-496 (ESA Conference Proceedings, Vol. 212).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • MEMS
  • Switches
  • Metals
  • Frequency bands
  • Capacitors

• A 71–76 GHz wideband receiver front-end for phased array applications in 0.13 μm SiGe BiCMOS technology

  Ahamed, R., Varonen, M., Holmberg, J., Parveg, D., Kantanen, M., Saijets, J. & Halonen, K. A. I., 15 Mar 2019, In: Analog Integrated Circuits and Signal Processing. 98, 3, p. 465-476 12 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • BiCMOS technology
  • Low noise amplifiers
  • Phase shifters
  • Switches
  • Buffer amplifiers

• Aalloilla kuumaa ja kuivaa

  Kara, M., 1986, In: Tiede 2000. 6, p. 52-53

  Research output: Contribution to journal › Article › General public

• Aallot ja tuuli ponttonilaitureiden mitoituksessa

  Broas, P. & Rytkönen, J., 1992, In: Kunnalliselämä. 16, 3, p. 36-40

  Research output: Contribution to journal › Article › Professional

• Aalto-1: An experimental nanosatellite for hyperspectral remote sensing

  Praks, J., Kestilä, A., Hallikainen, M., Saari, H., Antila, J., Janhunen, P. & Vainio, R., 2011, Proceedings: IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. IEEE Institute of Electrical and Electronic Engineers, p. 4367-4370

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Nanosatellites
  • Remote sensing
  • Earth (planet)
  • Satellites
  • Small satellites
  12 Citations (Scopus)

• Aalto-1: A hyperspectral Earth observing nanosatellite

  Näsilä, A., Hakkarainen, A., Praks, J., Kestilä, A., Nordling, K., Modrzewski, R., Saari, H., Antila, J., Mannila, R., Janhunen, P., Vainio, R. & Hallikainen, M., 2011, Sensors, Systems, and Next-Generation Satellites XV. Meynart, R. (ed.). International Society for Optics and Photonics SPIE, 7 p. 81760C. (Proceedings of SPIE, Vol. 8176).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Nanosatellites
  • Earth (planet)
  • Satellites
  • Small satellites
  • Electrical engineering
  6 Citations (Scopus)

• Aalto-1 Earth Observation nanosatellite mission status and in orbit experiments

  Praks, J., Kestila, A., Tikka, T., Nasila, A., Riwanto, B., Jovanovic, N., Niemela, P., Silva, N., Vainio, R. & Janhunen, P., 10 Nov 2017, 2017 32nd General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2017. IEEE Institute of Electrical and Electronic Engineers, Vol. 2017-January. p. 1-3 3 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • nanosatellites
  • Nanosatellites
  • Orbits
  • Earth (planet)
  • Satellites

• Aalto-1 nanosatellite: Technical description and mission objectives

  Kestilä, A., Tikka, T., Peitso, P., Rantanen, J., Näsilä, A., Nordling, K., Saari, H., Vainio, R., Janhunen, P., Praks, J. & Hallikainen, M., 2013, In: Geoscientific Instrumentation, Methods and Data Systems. 2, 1, p. 121-130 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  • science
  • plasma
  • radiation
  • positioning
  • ice ridge

• Aalto-1 spectral imager: Towards detailed design

  Näsilä, A., Viherkanto, K., Saari, H., Antila, J., Mannila, R., Holmlund, C., Mäkynen, J., Näkki, I., Kantojärvi, U., Antila, T. & Toivanen, H., 2013.

  Research output: Contribution to conference › Conference article › Scientific

• Aalto-1 spectral imager status update: Towards flight model

  Näsilä, A., Akujärvi, A., Holmlund, C., Kantojärvi, U., Mannila, R., Mäkynen, J., Näkki, I., Antila, T., Saari, H., Toivanen, H. & Viherkanto, K., 2014.

  Research output: Contribution to conference › Conference article › Scientific

• Aalto University: The NZEB Emulator

  Kilpeläinen, S. & Hasan, A., Jun 2019, Experimental facilities and methods for assessing energy flexibility in buildings: Energy in Buildings and Communities Programme Annex 67 Energy Flexible Buildings. Salom, J. & Péan, T. (eds.). Dansk Teknologisk Institut (DTI), p. 25-37

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

  Open Access

• Aamulehti ensimmäisenä suomalaislehtenä NewspaperDirect-palveluun

  Antikainen, H., 2005, In: GT-lehti. 3, 16.

  Research output: Contribution to journal › Article › Professional