A Numerical Sensitivity Analysis of a Waveguide
Author(s):
Abstract:
Phase shifters are devices, in which the phase of an electromagnetic wave of a given frequency can be shifted when propagating through a transmission line. In many fields of electronics, it is often necessary to change the phase of signals. RF and microwave phase shifters have many applications in various equipments such as phase discriminators, beam forming networks, power dividers, linearization of power amplifiers, and phase array antennas. Phase shifters are divided into two group diode and ferrite. In this paper a ferrite phase shifter is investigated. Ferrite phase shifters are two-port devices that may be either analog or digital with either reciprocal or nonreciprocal characteristics. In previous works, magnetic flux densityB-magnetic field intensity curve or B-H Hcurve of a ferrite core is obtained. In this paper, phase shift-current curve or Ø-I curve of a reciprocal analog ferrite phase shifter is simulated and the effect of various parameters tolerances, such as permeability, permittivity, frequency and length of ferrite rod on the Ø-I curve is shown.
Language:
English
Published:
Majlesi Journal of Telecommunication Devices, Volume:4 Issue: 2, Jun 2015
Pages:
37 to 41
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