A varactor-tuned dual-band slot antenna

  title={A varactor-tuned dual-band slot antenna},
  author={Nader Behdad and Kamal Sarabandi},
  journal={IEEE Transactions on Antennas and Propagation},
A new technique for designing dual-band reconfigurable slot antennas is introduced. The technique is based on loading a slot antenna with a lumped capacitor (or varactor) at a certain location along the slot. Given a fixed capacitor location along the slot, decreasing the capacitance results in increasing the first and second resonant frequencies of the slot antenna. However, the changes in the resonant frequencies are significantly different for the first and second resonances and, hence, a… CONTINUE READING
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