Fundamentals of a new class of magnetically tunable waveguide filters

Bernardi, Paolo; Valdoni, F.

doi:10.1109/tmag.1966.1065816

Cited by 9 publications

(1 citation statement)

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“…To reduce the volume and weight of waveguide filters, printed circuit inserts are often used on the E-plane/transverse plane of a waveguide [1][2][3][4]. For tuning the operating frequency, several mechanisms, such as magnetic tuning [5], varactor loaded frequency selective surface [6][7][8], micro-electromechanical system [9,10], E-plane varactor [11], optical tuning [12][13][14], liquid metal posts [15], are used. Following the requirements of multiband filters, several multiband waveguide filters have also been proposed [16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

A Frequency Reconfigurable Dual Pole Dual Band Bandpass Filter for X-Band Applications

Bage¹,

Das²

2017

PIER Letters

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This paper presents a frequency reconfigurable dual-pole, dual-band waveguide bandpass filter. Varactor diode and chip capacitor loaded planar split ring resonators are placed on the transverse plane of a waveguide to form the filter. Numerical simulations are carried out using CST microwave studio (version 14). Measured tuning ranges of the bands are 8.12-8.58 GHz and 10.22-10.68 GHz, respectively. Measured result shows good agreement with the simulated one. The total length of the filter is 10 mm.

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