Integrated filter

Details Integrated filter Integrated filter

1997-06-10

1999-12-21

Ham, Seungsook

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333203, 333235, H01P 1213, H01P 308, H01P 120

Patent

active

060054557

ABSTRACT:
The present invention relates to an integrated radio unit used in radio base stations in mobile telephony. One housing is provided for all elements of an integrated radio unit, including a functional unit and a center conductor plate. The combination of the cover and base of the housing form protective cavities for the functional unit and, simultaneously, a cavity whose shape, in combination with the center conductor plate, helps form the filter characteristics of the integrated radio unit. The design of the housing reduces the need for extensive connections between elements and also provides a cavity which, in combination with the center conductor plate, will act as a filter.

REFERENCES:
patent: 2968012 (1961-01-01), Alstadter
patent: 3305802 (1967-02-01), Badger
patent: 4100504 (1978-07-01), McGann
patent: 5281934 (1994-01-01), Shiau et al.
patent: 5521561 (1996-05-01), Yrjola et al.
patent: 5581217 (1996-12-01), Macdonald
patent: 5751199 (1998-05-01), Shiau et al.

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