Title :
Design of bandstop filters utilising circuit prototypes
Author :
Fathelbab, W.M. ; Steer, M.B.
Author_Institution :
Dept. of Electr. & Comput. Eng., South Dakota Sch. of Mines & Technol., SD
fDate :
4/1/2007 12:00:00 AM
Abstract :
A systematic circuit-oriented approach to the design of bandstop filters with pre-defined upper passband characteristics is presented. An experimental filter is built with a fundamental stopband centred at 1.085 GHz and a first spurious stopband centred at 5.4 GHz
Keywords :
antenna radiation patterns; finite difference time-domain analysis; microstrip antennas; varactors; FDTD; finite difference time domain method; frequency tuning; full wave analysis; harmonic radiation pattern; nonlinear capacitor; rectangular quarter wavelength antenna; varactor-loaded microstrip antenna;
Journal_Title :
Microwaves, Antennas & Propagation, IET
DOI :
10.1049/iet-map:20060147
