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A novel reconfigurable half-mode substrate integrated waveguide antenna with broadband frequency tunability is presented in this letter. It consists of a microstrip line, a half-mode substrate integrated waveguide (HMSIW) cavity, two slots, and an inserted ferrite slab. Broadband frequency tunability is realized by increasing the biased magnetic field for the loaded ferrite from the low-field region...
A new type of frequency reconfigurable antenna, the ferrite slab loaded substrate integrated waveguide (SIW) antenna, is proposed. Due to the loaded ferrite, the operating frequency of the antenna can be tuned in a wide frequency range by bias magnetic field and the position of ferrite slab in the antenna. Three example reconfigurable SIW antennas are designed, fabricated and measured. The experimental...
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