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Vol. 187, Issue 4, April 2015, pp. 94-98




MEMS Keys as a Way to Delay the Phase of the Microwave Range

1 Anton Antonenko, 1 Michael Geraimchuk, 2 Orest Ivakhiv

1 Faculty of Instrument Design and Engineering, National Technical University of Ukraine “KPI”, 37 Peremohy ave., 03056, Kyiv, Ukraine
2 Precision Mechanics Department, L'viv Polytechnic National University, 12 Bandery Str., 79013 L'viv, Ukraine
1 Tel.: +38 044 4549483, fax: +38 044 4068019

1 E-mail: ehnaton1990@gmail.com


Received: 17 November 2014 /Accepted: 27 March 2015 /Published: 30 April 2015

Digital Sensors and Sensor Sysstems


Abstract: The paper deals with a new type of phase shifter antennas scanned beam shows the principle of constructing controlled microwave phase shifters that have a low cost. Also, given the results of a theoretical study of the main characteristics of dependency - controlled phase shift and frequency band working on the design parameters and then refined by calculating finite element program CST Microwave Studio. These inexpensive scanned antenna can be used in radar centimeter and millimeter wavelengths in the frequency range 2 ¸ 30 GHz. The results of calculation of capacitive and inductive coupling during switching detector elements and the simulation results of the phase shift in passing through the phase shifter television signal containing includes microelectromechanical systems - manageable sections that have to change the direction of polarization of the signal. Thus for supplying voltage-controlled permanent magnet field is used. According to the simulation results, which are presented in the conclusions can be drawn about the development of the design of optimal geometric parameters, the values obtained for the results of the optimization modeling. However revealed a high quality factor switching phase.


Keywords: MEMS keys, Phase shift, Vertical polarization, Horizontal polarization.


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