Filter with an adjustable shunt zero

Details Filter with an adjustable shunt zero Filter with an adjustable shunt zero

1994-08-12

1996-03-26

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333202, H01P 1205

Patent

active

055024220

ABSTRACT:
A filter (102) with an adjustable shunt zero. The filter (102) has a predetermined passband and stopband, and an input (104) and an output (106), and a variable reactance element (108) for adjusting the stopband frequency of maximum attenuation, also defined as a shunt zero, coupled to at least one of the input (104) and the output (106) of the filter (102), whereby the shunt zero is adjustable over a range of frequencies.

REFERENCES:
patent: 4835499 (1989-05-01), Pickett
patent: 5227748 (1993-07-01), Sroka

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