Method for manufacturing and tuning the center frequency of...

Details Method for manufacturing and tuning the center frequency of... Method for manufacturing and tuning the center frequency of...

2005-10-04

2005-10-04

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S846000, C343S705000

Reexamination Certificate

active

06952185

ABSTRACT:
A method for fine tuning a microstrip antenna which has eight tuning tabs for tuning the antenna frequency of the microstrip antenna. The antenna is designed to operate around 430 MHz with a tuning step size of approximately 1.5 MHz. The method utilizes the eight tuning tabs to tune the antenna from a center frequency of 427.2 MHz when all eight tuning tabs are connected to the cooper radiating or antenna element of the antenna incrementally to a center frequency of 439.3768 MHz when the eight tuning tabs are disconnected from the cooper antenna element.

REFERENCES:
patent: 5245745 (1993-09-01), Jensen et al.
patent: 5408241 (1995-04-01), Shattuck et al.
patent: 5467095 (1995-11-01), Rodal et al.
patent: 6225959 (2001-05-01), Gordon
patent: 6597318 (2003-07-01), Parsche et al.
patent: 6842145 (2005-01-01), Ryken et al.

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