Frequency shifting tuning process and filter structure

Details Frequency shifting tuning process and filter structure Frequency shifting tuning process and filter structure

1991-10-22

1993-04-13

Pascal, Robert J.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333176, 333185, H03H 700

Patent

active

052026566

ABSTRACT:
A technique is disclosed to independently tune different sections of a filter by momentarily frequency shifting a first tuned section, preferably by shorting certain nodes in the first tuned section, such that response of a second section can be determined and independently tuned. The first section is returned to normal operation after the second section is tuned.

REFERENCES:
patent: 2991436 (1961-07-01), Banton
patent: 3644848 (1972-02-01), Kruczek
patent: 4123732 (1978-10-01), Daniel
patent: 4433315 (1984-02-01), Vandegraaf
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

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