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2018

Probe appratus

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

Research output: PatentResearch

transition layers
probes
electromagnetic radiation
cavities
transmission lines

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

Resonators
Insertion losses
Bandwidth
Strip telecommunication lines
Temperature
2017
1 Citation (Scopus)

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

Phase shifters
extremely high frequencies
Phase shift
transmission lines
microelectromechanical systems
2016
4 Citations (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 journalArticleScientificpeer-review

antennas
modules
Antennas
filters
Antenna grounds

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

Phase shifters
Phase shift
MEMS
Electric lines
Microwaves
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

Monolithic microwave integrated circuits
MEMS
Antennas
Switches
Switching networks
1 Citation (Scopus)

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

Low noise amplifiers
Gallium arsenide
Monolithic microwave integrated circuits
Noise figure
Switches
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

Coplanar waveguides
Antennas
Strip telecommunication lines
Insertion losses
Temperature

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

Microsystems
Millimeter waves
Packaging
Microwaves
Consumer products

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

Substrate integrated waveguides
Antenna feeders
Microstrip antennas
Bandwidth
Tapes