Tauno Vähä-Heikkilä

  • Phone+358407587941
20022018

Research output per year

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Research Output

2018

Probe appratus

Ermolov, V., Lamminen, A., Säily, J., Vähä-Heikkilä, T. & Rantakari, P., 29 Nov 2018, IPC No. H01P 3/ 12, Patent No. WO2018215694 A1, Priority date 23 May 2017, Priority No. FI20170005463

Research output: PatentPatent application

SIW Cavity Filters with Embedded Planar Resonators in LTCC Package for 5G Applications

Showail, J., Lahti, M., Kautio, K., Arabi, E., Rantakari, P., Huhtinen, I., Vähä-Heikkilä, T. & Shamim, A., 2018, 48th European Microwave Conference (EuMC). IEEE Institute of Electrical and Electronic Engineers, p. 757-760 4 p. 8541552

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)
2017

Low loss KU- to KA-band analog DMTL phase shifter with 360° phase shift

Saijets, J., Rantakari, P. & Vähä-Heikkilä, T., 1 Jun 2017, In : Microwave and Optical Technology Letters. 59, 6, p. 1401-1404 4 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
2016

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 journalArticleScientificpeer-review

4 Citations (Scopus)

Low-loss Ku-Band analog DMTL phase shifter with full phase shift

Saijets, J., Rantakari, P. & Vähä-Heikkilä, T., 2016.

Research output: Contribution to conferenceConference AbstractScientific

2015

An RF-MEMS based SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module

Malmqvist, R., Gustafsson, A., Simon, W., Campo, M. A., Baggen, L., Grandchamp, B., Seok, S., Fryziel, M., Rolland, N., Lahti, M., Rantakari, P. & Vaha-Heikkila, T., 3 Dec 2015, 10th European Microwave Integrated Circuits Conference (EuMIC). IEEE Institute of Electrical and Electronic Engineers, p. 329-332

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

A W-band RF-MEMS switched LNA in a 70 nm mHEMT process

Reyaz, S., Gustafsson, A., Samuelsson, C., Malmqvist, R., Grandchamp, B., Rantakari, P. & Vähä-Heikkilä, T., 2015, In : International Journal of RF and Microwave Computer-Aided Engineering. 25, 7, p. 639-646

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Low temperature co-fired ceramic antenna for 35 GHz applications with a wideband GCPW to stripline transition

Brunea, A., Neculoiu, D., Lahti, M. & Vähä-Heikkilä, T., 2015, In : Romanian Journal of Information Science and Technology. 17, 4, p. 305-319

Research output: Contribution to journalArticleScientificpeer-review

Open Access
1 Citation (Scopus)

Microsystem integration from RF to millimeter wave applications

Vähä-Heikkilä, T. & Lahti, M., 2015, Smart Sensors, Actuators, and MEMS VII; and Cyber Physical Systems. International Society for Optics and Photonics SPIE, 95170R. (Proceedings of SPIE, Vol. 9517).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Substrate integrated waveguide fed LTCC microstrip patch antenna for 94 GHz applications

Bunea, A. C., Neculoiu, D., Lahti, M. & Vaha-Heikkila, T., 17 Dec 2015, Semiconductor Conference (CAS), 2015 International. IEEE Institute of Electrical and Electronic Engineers, p. 127-130

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2014

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 journalArticleScientificpeer-review

21 Citations (Scopus)
2013

3D RF integration at VTT

Vähä-Heikkilä, T., 2013, Nanosensors, Biosensors, and Info-Tech Sensors and Systems . Varadan, V. K. (ed.). International Society for Optics and Photonics SPIE, 86910V. (Proceedings of SPIE, Vol. 8691).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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. p. 432-435

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

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 proceedingConference article in proceedingsScientificpeer-review

9 Citations (Scopus)

Hermetic packaging for millimetre wave applications

Lahti, M., Kautio, K., Ollila, J., Vähä-Heikkilä, T. & Kaunisto, M., 2013, Proceedings: European Microelectronics and Packaging Conference, EMPC 2013 . IEEE Institute of Electrical and Electronic Engineers, 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

5 Citations (Scopus)

Innovative MEMS-MMIC components for agile antenna frontends

Baggen, L., simon, W., Arias Compo, M., Malmqvist, R., Vähä-Heikkilä, T., Grandchamp, B. & Rolland, P., 2013, Proceedings: 7th European Conference on Antennas and Propagation, EuCAP 2013. IEEE Institute of Electrical and Electronic Engineers, p. 1572-1575

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

LTCC Microstrip parasitic patch antenna for 77 GHz automotive applications

Bunea, A-C., Neculoiu, D., Lahti, M. & Vähä-Heikkilä, T., 2013, 2013 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2013). IEEE Institute of Electrical and Electronic Engineers, 6685305

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)

Microstrip parasitic patch array with substrate integrated waveguide feed for 35 GHz applications

Bunea, A-C., Neculoiu, D., Lahti, M. & Vähä-Heikkilä, T., 2013.

Research output: Contribution to conferenceConference articleScientificpeer-review

RF-MEMS reconfigurable GaAs MMICs and antennas for microwave/MM-wave applications

Malmqvist, R., Jonsson, R., Samuelsson, C., Gustafsson, A., Reyaz, S., Dancila, D., Rydberg, A., Grandchamp, B., Seok, S., Fryziel, M., Rolland, P-A., Rantakari, P., Lahti, M., Vähä-Heikkilä, T. & Baggen, R., 2013, CAS 2013 Proceedings : 36th International Semiconductor Conference. IEEE Institute of Electrical and Electronic Engineers, Vol. 2. p. 83-88

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Self-learning radio system for C-IED

Jenu, M., Vähä-Heikkilä, T., Lahdes, M., Markkula, J. & Saarnisaari, H., Mar 2013, Resilient Threat Management Conference Proceedings: IEDs and Beyond. Rempling, D. H. C. (ed.). Brussels, p. 56-64

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

The development and evaluation of RF TSV for 3D IPD applications

Ebefors, T., Fredlund, J., Perttu, D., van Dijk, R., Cifola, L., Kaunisto, M., Rantakari, P. & Vähä-Heikkilä, T., 2013, 2013 IEEE International 3D Systems Integration Conference (3DIC). IEEE Institute of Electrical and Electronic Engineers, Article number 6702382

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

32 Citations (Scopus)

W-band RF-MEMS dicke switch networks in a GaAs MMIC process

Reyaz, S. B., Samuelsson, C., Malmqvist, R., Seok, S., Fryziel, M., Rolland, P-A., Grandchamp, B., Rantakari, P. & Vähä-Heikkilä, T., 2013, In : Microwave and Optical Technology Letters. 55, 12, p. 2849-2853 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
2012

160 GHz Silicon Micromachined Folded Slot Antenna Array

Bunea, A-C., Neculoiu, D., Avram, A., Kiuru, T., Vähä-Heikkilä, T., Takacs, A. & Calmon, P., 2012, Proceedings of APMC 2012: Asia Pacific Microwave Conference . IEEE Institute of Electrical and Electronic Engineers, p. 896-898

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

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 proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

A K-band single-chip reconfigurable/multi-functional RF-MEMS switched dual-LNA MMIC

Malmqvist, R., Samuelsson, C., Gustafsson, A., Maher, H., Vähä-Heikkilä, T. & Baggen, R., 2012, Proceedings : IEEE/MTT-S International Microwave Symposium Digest. IEEE Institute of Electrical and Electronic Engineers, 3 p. 6259517

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

8 Citations (Scopus)

MEMS-4-MMIC: The next step in combined GaAs MEMS-MMIC technology

Baggen, L., Simon, W., Malmqvist, R., Vähä-Heikkilä, T., Maher, H. & Seok, S., 2012, Proceedings: 15th International Symposium on Antenna Technology and Applied Electromagnetics, ANTEM 2012. IEEE Institute of Electrical and Electronic Engineers, 6262342

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Self-Actuation Tests of Ohmic Contact and Capacitive RF-MEMS Switches for Wideband RF Power Limiter Circuits

Malmqvist, R., Jonsson, R., Samuelsson, C., Reyaz, S., Ouacha, A., Rantakari, P., Vähä-Heikkilä, T., Varis, J. & Rydberg, J., 2012, Proceedings of the 2012 International Semiconductor Conference, CAS 2012. IEEE Institute of Electrical and Electronic Engineers, p. 217-220

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

8 Citations (Scopus)
2011

60-GHz millimeter-wave identification reader on 90-nm CMOS and LTCC

Pursula, P., Karttaavi, T., Kantanen, M., Lamminen, A., Holmberg, J., Lahdes, M., Marttila, I., Lahti, M., Luukanen, A. & Vähä-Heikkilä, T., 2011, In : IEEE Transactions on Microwave Theory and Techniques. 59, 4, p. 1166-1173 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
35 Citations (Scopus)

A K-band RF-MEMS-enabled reconfigurable and multifunctional low-noise amplifier hybrid circuit

Malmqvist, R., Samuelsson, C., Gustafsson, A., Rantakari, P., Reyaz, S., Vähä-Heikkilä, T., Rydberg, A., Varis, J., Smith, D. & Baggen, R., 2011, In : Active and Passive Electronic Components. 2011, 7 p., 284767.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
1 Citation (Scopus)

An experimental study of standard packaged/unpackaged GaAs MMIC based RF-MEMS limiter test circuits

Jonsson, R., Samuelsson, C., Reyaz, S., Malmqvist, R., Smith, D., Richard, M., Rantakari, P., Vähä-Heikkilä, T. & Baggen, R., 2011, CAS 2011 Proceedings : International Semiconductor Conference. IEEE Institute of Electrical and Electronic Engineers, p. 203-206

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

3 Citations (Scopus)

Design and experiments of 77 GHz antennas in LTCC technology

Neculoiu, D., Lahti, M., Stefanescu, A., Muller, A. A. & Vähä-Heikkilä, T., 2011, Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, p. 253-257

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

7 Citations (Scopus)

Design and experiments of a 77 GHz receiver in LTCC technology

Neculoiu, D., Lahti, M., Bunea, A. C., Stefanescu, A. & Vähä-Heikkilä, T., 2011, Asia-Pacific Microwave Conference Proceedings, APMC. IEEE Institute of Electrical and Electronic Engineers, p. 453-456

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Investigation of substrate integrated waveguide in LTCC technology for mm-wave applications

Bunea, A-C., Lahti, M., Neculoiu, D., Stefanescu, A. & Vähä-Heikkilä, T., 2011, Proceedings of the Asia-Pacific Microwave Conference, APMC 2011. IEEE Institute of Electrical and Electronic Engineers, p. 395-398

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

6 Citations (Scopus)

LTCC packaging from RF to millimeter waves

Lahti, M., Kautio, K., Kondratyev, V., Kaunisto, M. & Vähä-Heikkilä, T., 2011, IMAPS Nordic Annual Conference 2011. Kutilainen, J. (ed.). Finland: Curran Associates Inc., p. 96-101

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

1 Citation (Scopus)

MEMS-4-MMIC: Design of Antenna Array Front End at 24 GHz

Campo, M. A., Litschke, O., Vähä-Heikkilä, T., Lahti, M. & Baggen, R., 2011, Proceedings: 5th European Conference on Antennas and Propagation, EuCAP 2011. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, p. 1907-1911

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

Monolithic integration of millimeter-wave RF-MEMS switch circuits and LNAs using a GaAs MMIC foundry process technology

Malmqvist, R., Samuelsson, C., Gustafsson, A., Smith, D., Vähä-Heikkilä, T. & Baggen, R., 2011, Proceedings: IEEE MTT-S International Microwave Workshop Series on Millimeter Wave Integration Technologies, IMWS 2011. IEEE Institute of Electrical and Electronic Engineers, p. 148-151

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

6 Citations (Scopus)

Reconfigurable wideband LNAs using ohmic contact and capacitive RF-MEMS switching circuits

Malmqvist, R., Samuelsson, C., Simon, W., Smith, D., Rantakari, P., Vähä-Heikkilä, T., Reyaz, S., Varis, J. & Baggen, R., 2011, Proceedings of the 6th European Microwave Integrated Circuits Conference. p. 160-163

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

5 Citations (Scopus)

System-in-package LTCC platform for 3D RF to millimeter wave

Vähä-Heikkilä, T. & Lahti, M., 2011, Proceedings of SPIE : Nanosensors, Biosensors, and Info-Tech Sensors and Systems . International Society for Optics and Photonics SPIE, 79800W. (Proceedings of SPIE, Vol. 7980).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Wide-band radio frequency micro electro-mechanical systems switches and switching networks using a gallium arsenide monolithic microwave-integrated circuits foundry process technology

Rantakari, P., Malmqvist, R., Samuelsson, C., Leblanc, R., Smith, D., Jonsson, R., Simon, W., Saijets, J., Baggen, R. & Vähä-Heikkilä, T., 2011, In : IET Microwaves, Antennas and Propagation. 5, 8, p. 948-955 8 p.

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)
2010

Design, packaging and reliability aspects of RF MEMS circuits fabricated using a GaAs MMIC foundry process technology

Malmqvist, C., Samuelsson, C., Simon, W., Rantakari, P., Smith, D., Lahdes, M., Lahti, M., Vähä-Heikkilä, T., Varis, J. & Baggen, R., 2010, The 40th European Microwave Conference. IEEE Institute of Electrical and Electronic Engineers, p. 85-88

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

19 Citations (Scopus)

Electromagnetic design of W-band circuits in LTCC technology

Neculoiu, D., Muller, A. A., Stefanescu, A., Vähä-Heikkilä, T., Petrini, I. & Buiculescu, C., 2010, Proceedings: International Semiconductor Conference, CAS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, p. 287-290

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

3 Citations (Scopus)

High quality factor integrated passive devices for microwave and millimeter wave applications

Vähä-Heikkilä, T., Marttila, I. & Heikkinen, H., 2010, Proceedings of 5th ESA Workshop on Millimetre Wave Technology and Applications. Noordwijk: European Space Agency ESA, p. 247-251

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Ka-band RF MEMS phase shifters for energy starved millimetre-wave radar sensors

Malmqvist, R., Samuelsson, C., Carlegrim, B., Rantakari, P., Vähä-Heikkilä, T., Rydberg, A. & Varis, J., 2010, Proceedings of the 2010 International Semiconductor Conference, CAS 2010. Sinaia, Romania: IEEE Institute of Electrical and Electronic Engineers, p. 261-264

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

9 Citations (Scopus)

Low-temperature CMOS-compatible 3D-integration of monocrystalline-silicon based PZT RF MEMS switch actuators on rf substrates

Saharil, F., Wright, R. V., Rantakari, P., Kirby, P. B., Vähä-Heikkilä, T., Niklaus, F., Stemme, G. & Oberhammer, J., 2010, Proceedings: 23rd IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, p. 47-50

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

10 Citations (Scopus)

MEMS-4-MMIC: Merging RF-MEMS switches & MMIC

Baggen, R., Malmqvist, R., Smith, D., Vähä-Heikkilä, T. & Simon, W., 2010, Proceedings of the 5th ESA Workshop on Millimetre Wave Technology and Applications and 31st ESA Antenna Workshop - ESTEC. Noordwijk: European Space Agency ESA, p. 321-327

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

MEMS-4-MMIC: Advances in combined GaAs MEMS-MMIC technology

Baggen, L., Simon, W., Malmqvist, R., Vähä-Heikkilä, T. & Smith, D., 2010, Proceedings: 14th International Symposium on Antenna Technology and Applied Electromagnetics and the American Electromagnetics Conference, ANTEM/AMEREM 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, 4 p. 5552490

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Microwave and Millimetre Wave Devices Based on Micromachining of III-V Semiconductors

Mueller, A., Neculoiu, D., Konstantinidis, G. & Vähä-Heikkilä, T., 2010, Advanced Materials and Technologies for Micro/Nano-Devices. Gusev, E., Garfunkel, E. & Dideikin, A. (eds.). The Netherlands: Springer, p. 75-87

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

RF MEMS and MMIC based Reconfigurable Matching Networks for Adaptive Multi-Band RF Front-Ends

Malmqvist, R., Samuelsson, C., Rantakari, P., Vähä-Heikkilä, T., Smith, D., Varis, J. & Baggen, R., 2010, Proceedings of the IEEE International Microwave Workshop Series on RF Front-Ends for Software Defined and Cognitive Radio Solutions, IMWS 2010. IEEE Institute of Electrical and Electronic Engineers, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

16 Citations (Scopus)

Switched LNAs using GaAs MMIC based RF MEMS switches

Malmqvist, R., Samuelsson, C., Smith, D., Vähä-Heikkilä, T. & Baggen, R., 2010, Proceedings: International Semiconductor Conference, CAS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, p. 283-286

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Theory and applications of millimeter wave identification

Pursula, P., Viikari, V. & Vähä-Heikkilä, T., 2010, Proceedings of International Semiconductor Conference, CAS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers, p. 53-56

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
1 Citation (Scopus)