%0 Journal Article
	%A Mehrdad Nouri Khajavi and  Sajjad Ahoui Ghazvin and  Ghader Rezazadeh and  Mohammad Fathalilou
	%D 2010
	%J International Journal of Mechanical and Mechatronics Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 45, 2010
	%T Study on the Mechanical Behavior of the Varactor of a Micro-Phase Shifter
	%U https://publications.waset.org/pdf/14241
	%V 45
	%X In this paper static and dynamic response of a
varactor of a micro-phase shifter to DC, step DC and AC
voltages have been studied. By presenting a mathematical
modeling Galerkin-based step by step linearization method
(SSLM) and Galerkin-based reduced order model have been
used to solve the governing static and dynamic equations,
respectively. The calculated static and dynamic pull-in
voltages have been validated by previous experimental and
theoretical results and a good agreement has been achieved.
Then the frequency response and phase diagram of the system
has been studied. It has been shown that applying the DC
voltage shifts down the phase diagram and frequency
response. Also increasing the damping ratio shifts up the
phase diagram.
	%P 868 - 874