Search Results - "Rantakari, P."

A 12 MHz micromechanical bulk acoustic mode oscillator by Mattila, T., Kiihamäki, J., Lamminmäki, T., Jaakkola, O., Rantakari, P., Oja, A., Seppä, H., Kattelus, H., Tittonen, I.

“…We demonstrate a bulk acoustic mode silicon micromechanical resonator with the first eigen frequency at 12 MHz and the quality factor 180 000. Electrostatic…”
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P0956 : MIR-22 deficiency exacerbates systemic and hepatic metabolic disorders associated with diet-induced obesity in mice by Berthomieu, A.-S, Portius, D, Abegg, D, Rantakari, P, Zhang, F.-P, Poutanen, M, Picard, D, Nef, S, Adibekian, A, Foti, M

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Switched Beam Antenna Based on RF MEMS SPDT Switch on Quartz Substrate by Shi Cheng, Rantakari, P., Malmqvist, R., Samuelsson, C., Vaha-Heikkila, T., Rydberg, A., Varis, J.

“…This letter demonstrates a 20-GHz radio frequency microelectromechanical system (RF MEMS)-based electrically switchable antenna on a quartz substrate. Two…”
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A K-Band RF-MEMS-Enabled Reconfigurable and Multifunctional Low-Noise Amplifier Hybrid Circuit by Varis, J., Smith, D., Baggen, R., Malmqvist, R., Rydberg, A., Vähä-Heikkilä, T., Reyaz, S., Samuelsson, C., Gustafsson, A., Rantakari, P.

“…A K-band (18–26.5 GHz) RF-MEMS-enabled reconfigurable and multifunctional dual-path LNA hybrid circuit (optimised for lowest/highest possible noise…”
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14 MHz micromechanical oscillator by Mattila, T., Jaakkola, O., Kiihamäki, J., Karttunen, J., Lamminmäki, T., Rantakari, P., Oja, A., Seppä, H., Kattelus, H., Tittonen, I.

“…Operation of a 14 MHz micromechanical oscillator is demonstrated and analyzed. Single-crystal silicon microbridge with submicron electrode gaps is utilized as…”
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Ka-band RF MEMS phase shifters for energy starved millimetre-wave radar sensors by Malmqvist, R, Samuelsson, C, Carlegrim, B, Rantakari, P, Vähä-Heikkilä, T, Rydberg, A, Varis, J

“…Low-loss millimetre-wave RF MEMS phase shifters made on quartz are assessed with respect to a Ka-band low-power multifunctional radar sensor application. A…”
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Clever-1/stabilin-1 controls cancer growth and metastasis by Karikoski, Marika, Marttila-Ichihara, Fumiko, Elima, Kati, Rantakari, Pia, Hollmén, Maija, Kelkka, Tiina, Gerke, Heidi, Huovinen, Ville, Irjala, Heikki, Holmdahl, Rikard, Salmi, Marko, Jalkanen, Sirpa

“…Immunosuppressive leukocytes and vasculature are important host cell components regulating tumor progression. Clever-1/Stabilin-1, a multifunctional scavenger…”
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Direct Comparison of a Natural Loss-Of-Function Single Nucleotide Polymorphism with a Targeted Deletion in the Ncf1 Gene Reveals Different Phenotypes by Sareila, Outi, Hagert, Cecilia, Rantakari, Pia, Poutanen, Matti, Holmdahl, Rikard

“…The genetic targeting of mouse models has given insight into complex processes. However, phenotypes of genetically targeted mice are susceptible to artifacts…”
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An RF-MEMS based SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module by Malmqvist, R., Gustafsson, A., Simon, W., Campo, M. Arias, Baggen, L., Grandchamp, B., Seok, S., Fryziel, M., Rolland, N., Lahti, M., Rantakari, P., Vaha-Heikkila, T.

“…This paper presents an RF-MEMS SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module. The SP4T LNA has a measured gain of 10-16 dB at 16-30 GHz…”
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An RF-MEMS based SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module by Malmqvist, R., Gustafsson, A., Simon, W., Campo, M. Arias, Baggen, L., Grandchamp, B., Seok, S., Fryziel, M., Rolland, N., Lahti, M., Rantakari, P., Vaha-Heikkila, T.

“…This paper presents an RF-MEMS SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module. The SP4T LNA has a measured gain of 10-16 dB at 16-30 GHz…”
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RF MEMS and MMIC based reconfigurable matching networks for adaptive multi-band RF front-ends by Malmqvist, R, Samuelsson, C, Rantakari, P, Vaha-Heikkila, T, Smith, D, Varis, J, Baggen, R

“…In this paper, we present GaAs MMIC based reconfigurable RF MEMS impedance matching networks for highly integrated (potentially single-chip) frequency-agile…”
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Seminal vesicles and urinary bladder as sites of aromatization of androgens in men, evidenced by a CYP19A1‐driven luciferase reporter mouse and human tissue specimens by Strauss, Leena, Rantakari, Pia, Sjögren, Klara, Salminen, Anu, Lauren, Eve, Kallio, Jenny, Damdimopoulou, Pauliina, Boström, Minna, Boström, Peter J., Pakarinen, Pirjo, Zhang, FuPing, Kujala, Paula, Ohlsson, Claes, Mäkelä, Sari, Poutanen, Matti

“…The human CYP19A1 gene is expressed in various tissues by the use of tissue‐specific promoters, whereas the rodent cyp19a1 gene is expressed mainly in the…”
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Square-extensional mode single-crystal silicon micromechanical RF-resonator by Kaajakari, V., Mattila, T., Oja, A., Kiihamaki, J., Kattelus, H., Koskenvuori, M., Rantakari, P., Tittonen, I., Seppa, H.

“…A micromechanical 13.1 MHz bulk acoustic mode (BAW) silicon resonator is demonstrated. The vibration mode can be characterized as a 2-D plate expansion that…”
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W-Band RF-Mems Dicke Switch Networks in a Gaas MMIC Process by Reyaz, Shakila Bint, Samuelsson, Carl, Malmqvist, Robert, Seok, Seonho, Fryziel, Michel, Rolland, Paul-Alain, Grandchamp, Brice, Rantakari, Pekka, Vähä-Heikkilä, and Tauno

“…ABSTRACT A novel design of a W‐band RF‐microelectro‐mechanical‐system (RF‐MEMS) Dicke switch network realized in a GaAs monolithic microwave integrated circuit…”
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Low noise, low power micromechanical oscillator by Rantakari, P., Kaajakari, V., Mattila, T., Kiihamaki, J., Oja, A., Tittonen, I., Seppa, H.

“…A 180-nm gap micromechanical resonator biased at 20 V and full custom integrated electronics are used to implement a 13-MHz oscillator that has noise floor of…”
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Self-actuation tests of ohmic contact and capacitive RFMEMS switches for wideband RF power limiter circuits by Malmqvist, R., Jonsson, R., Samuelsson, C., Reyaz, S., Rantakari, P., Ouacha, A., Vaha-Heikkila, T., Varis, J., Rydberg, A.

“…This paper presents an experimental study on the high power handling capabilities of some ohmic contact based and capacitive RF-MEMS switches (incl…”
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Micromechanical bulk acoustic wave resonator by Mattila, T., Oja, A., Seppa, H., Jaakkola, O., Kiihamaki, J., Kattelus, H., Koskenvuori, M., Rantakari, P., Tittonen, I.

“…We describe the use of bulk acoustic mode in micromechanical silicon resonators operating at radio frequencies. Based on measured data from the fabricated…”
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Low noise silicon micromechanical bulk acoustic wave oscillator by Kaajakari, V., Rantakari, P., Koskinen, J.K., Mattila, T., Kiihamaki, J., Koskenvuori, M., Tittonen, I., Oja, A.

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An experimental study of standard packaged/unpackaged GaAs MMIC based RF-MEMS limiter test circuits by Jonsson, R., Samuelsson, C., Reyaz, S., Malmqvist, R., Smith, D., Richard, M., Rantakari, P., Vaha-Heikkila, T., Baggen, R.

“…We present an experimental study of some GaAs MMIC based RF-MEMS switch networks used here as limiter test circuits and that were tested also within a standard…”
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RF MEMS based impedance matching networks for tunable multi-band microwave low noise amplifiers by Malmqvist, R., Rantakari, P., Samuelsson, C., Lahti, M., Cheng, S., Saijets, J., Vaha-Heikkila, T., Rydberg, A., Varis, J.

“…In this paper, we present different types of reconfigurable RF MEMS based matching networks intended for frequency-agile (multi-band) LNAs. Measured results of…”
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