Independent control of resonant frequency and input impedance of a microstrip patch by individually biased varactor diodes
- 1 January 1996
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 32 (4), 284-286
- https://doi.org/10.1049/el:19960272
Abstract
Individually biased varactor diodes fitted to the radiating edges of microstrip patch antennas enable independent control of the resonant frequency and input impedance. The technique has been successfully applied to polarisation-agile patch antennas and it affords a solution to the problem of the change in input impedance when switching between polarisations.Keywords
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