Imperial College London

Professor Stepan Lucyszyn, FIEEE

Faculty of EngineeringDepartment of Electrical and Electronic Engineering

Professor of Millimetre-wave Systems



+44 (0)20 7594 6167s.lucyszyn Website CV




Ms Susan Brace +44 (0)20 7594 6215




602Electrical EngineeringSouth Kensington Campus






BibTex format

author = {Pranonsatit, S and Holmes, AS and Lucyszyn, S},
doi = {10.1049/iet-map.2010.0132},
journal = {IET Microwaves, Antennas & Propagation},
pages = {255--261},
title = {Microwave modelling of radio frequency microelectromechanical rotary switches},
url = {},
volume = {5},
year = {2011}

RIS format (EndNote, RefMan)

AB - In this study, both full 3D electromagnetic and equivalent circuit modelling of a radio frequencymicroelectromechanical systems (RF MEMS) single-pole eight-throw rotary switch are reported for the first time. Excellentagreement has been achieved between measurements and modelled performance for frequencies up to 12 GHz. In order tovalidate the effectiveness of the modelling, a 2-bit true time delay phase shifter having a centre frequency of 2 GHz has beendemonstrated. The traditional topology of the switched delay line was adopted with two rotary switches employed for signalrouting. This phase shifter represents the first ever application of any RF MEMS rotary switch. It is shown that the switchmodel can accurately predict the measured performance of the phase shifter, without the need for adding new circuit elementsor tweaking of model parameters. The low measured root mean square deviations of insertion phase from the predictedresponses increase as 1.3o, 1.9o, 2.5o and 3.4o when the phase states are stepped through 0o, 90o, 180o and 270o, respectively.
AU - Pranonsatit,S
AU - Holmes,AS
AU - Lucyszyn,S
DO - 10.1049/iet-map.2010.0132
EP - 261
PY - 2011///
SP - 255
TI - Microwave modelling of radio frequency microelectromechanical rotary switches
T2 - IET Microwaves, Antennas & Propagation
UR -
VL - 5
ER -