Electrical filter with multiple filter sections

Details Electrical filter with multiple filter sections Electrical filter with multiple filter sections

1992-06-11

1994-01-11

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333185, H03H 701

Patent

active

052785254

ABSTRACT:
An electrical filter having first and second filter sections with respective sets of electrical filter components. These sets of electrical filter components include primary tuning coils which are arranged parallel to a reference axis. An electrical isolation shield is disposed on a reference plane between the first and second filter sections for electrically isolating the sections from one another, the reference plane being orthogonal to the reference axis. The unique configuration of the filter sections allows for the filter sections to be independently tuned while being physically and electrically isolated from one another. The filter sections are then coupled to one another both physically and electrically subsequent to the tuning operation.

REFERENCES:
patent: 3065434 (1962-11-01), Calderhead
patent: 3522485 (1970-08-01), De Metrick
patent: 3579156 (1971-05-01), Parfitt
patent: 4074311 (1978-02-01), Tanner et al.
patent: 4349795 (1982-09-01), Kwok
patent: 4451803 (1984-05-01), Holdsworth et al.
patent: 4701726 (1987-10-01), Holdsworth
patent: 4845447 (1989-07-01), Holdsworth
patent: 4901043 (1990-02-01), Palinkas
patent: 5022078 (1991-06-01), Zelenz
Promotional brochure of Precision Hermetic Technology Inc. (undated, but published no earlier than 1989).

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