Variable band pass filter circuit

Details Variable band pass filter circuit Variable band pass filter circuit

1974-11-13

1976-05-11

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

310 82, 333 77, H03H 926, H03H 932

Patent

active

039567192

ABSTRACT:
A variable band pass filter circuit utilizing first and second ceramic filters including a pair of passive circuits that can be selectively connected between the ceramic filters and wherein the first passive circuit comprises a first capacitor connected between the output of the first ceramic filter and the input of the second ceramic filter and the second passive circuit includes a second capacitor connectable between the output of the first ceramic filter and the input of the second ceramic filter and an inductor connected between the input of the second ceramic filter and a reference point.

REFERENCES:
patent: 2218087 (1940-10-01), Goering
patent: 3416104 (1968-12-01), Argoudelis
patent: 3456214 (1969-07-01), Bies
patent: 3727154 (1973-04-01), Dailing et al.

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