Multiband millimeterwave reconfigurable antenna using RF mem swi

Communications: radio wave antennas – Antennas – Microstrip

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Details

343702, 343831, H01Q 138

Patent

active

060695870

ABSTRACT:
A multiband millimeterwave antenna system for communicating signals in multiple frequency bands is disclosed. A main antenna body is connected to antenna extensions by micro-electro-mechanical switches. By opening and closing the switches, the length of the antenna can be altered. The antenna is coupled to a microstrip feed line by an aperture. A series of matching stubs match the impedance of the feed line for the various signal frequencies.

REFERENCES:
patent: 4751513 (1988-06-01), Daryoush et al.
patent: 4843400 (1989-06-01), Tsao et al.
patent: 5541614 (1996-07-01), Lam et al.
patent: 5633645 (1997-05-01), Day
patent: 5874919 (1999-02-01), Rawnick et al.

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