Broadband fixed-radius slot antenna arrangement

Details Broadband fixed-radius slot antenna arrangement Broadband fixed-radius slot antenna arrangement

1998-11-30

2000-03-28

Wong, Don

Communications: radio wave antennas

Antennas

Slot type

343700MS, 343770, H01Q 1310

Patent

active

060437855

ABSTRACT:
A fixed radius tapered slot antenna (100) formed a dielectric substrate (10) with an electrically conductive layer (14) on one side. The slot is defined by two hemispherical shaped elements (12, 13). A common base (15) is also formed on the conductive layer behind the hemispherical shaped members. Preferably, a microstrip feedline (16) is formed on the side of the dielectric substrate to electromagnetically couple to the balun (18) adjacent the narrow end of the tapered slot. A contiguous array (102) of fixed radius tapered slot antennas (100) can be made on the same conductive layer of a dielectric layer. A reflector (30) can be integrated with the antenna array to improve the radiation pattern. The fixed radius tapered slot antenna has been proven to out-perform an exponentially tapered slot or Vivaldi antenna.

REFERENCES:
patent: 4855749 (1989-08-01), DeFonzo
patent: 5023623 (1991-06-01), Kreinheder et al.
patent: 5036335 (1991-07-01), Jairam
patent: 5227808 (1993-07-01), Davis
patent: 5428364 (1995-06-01), Lee et al.
patent: 5519408 (1996-05-01), Schnetzer
patent: 5841405 (1998-11-01), Lee et al.

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