Frequency discrete LC filter bank

Details Frequency discrete LC filter bank Frequency discrete LC filter bank

2005-04-19

2005-04-19

Pascal, Hobert (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S017100

Reexamination Certificate

active

06882245

ABSTRACT:
An inductive (“L”)-capacitive (“C”) filter bank has application for use in a television receiver. The LC filter includes inductors configured in at least one inductive (“L”) bank, and capacitors configured in at least one capacitive (“C”) bank. The inductors and capacitors are selectively enabled so as to configure an LC filter with at least one inductor from the L bank and at least one capacitor from the C bank. A combination of inductors and capacitors are selected through the semiconductor switches so as to maximize a Q factor for the LC filter.

REFERENCES:
patent: 1735742 (1929-11-01), Fetter
patent: 2325174 (1943-07-01), Cooper
patent: 2496177 (1950-01-01), Richards et al.
patent: 2801341 (1957-07-01), Jaffe et al.
patent: 3509500 (1970-04-01), McNair et al.
patent: 3794941 (1974-02-01), Templin

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