Multi-filter device and method of making same

Details Multi-filter device and method of making same Multi-filter device and method of making same

1993-09-29

1995-06-06

Ham, Seungsook

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333206, 333207, 455 82, H01P 1205

Patent

active

054226104

ABSTRACT:
A multi-filter device comprising a ceramic block (10) having at least two filters A and B. Both filters A and B include a notch (11 and 13, respectively) formed on one side of the ceramic block (10), such that these notches are flanked by ceramic block material extensions (32). So configured, coarse tuning of the ceramic block (10) can be accomplished through use of existing double-sided lap techniques, yet constant parameter alteration for both filters will be maintained during the milling process.

REFERENCES:
patent: 4806889 (1989-02-01), Nakano et al.
patent: 4954769 (1990-09-01), Green et al.
patent: 5109207 (1992-04-01), Aizawa et al.
patent: 5130682 (1992-07-01), Agahi-Kesheh
patent: 5250916 (1993-10-01), Zakman

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