Capacitively-tapped, variable, wideband bandpass filter

Details Capacitively-tapped, variable, wideband bandpass filter Capacitively-tapped, variable, wideband bandpass filter

1994-11-01

1996-07-30

Lee, Benny

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333175, H03H 700

Patent

active

055415580

ABSTRACT:
A wideband bandpass filter has a tank circuit connected between an input and output tapping circuit. The tank circuit contains a variable capacitor and an inductor in parallel. The tank circuit determines a center frequency for the bandpass filter. The input tapping circuit has an input variable impedance, and the output tapping circuit has an output variable impedance. The input and output variable impedances determine the continuously variable bandwidth of the filter.

REFERENCES:
patent: 3728476 (1973-04-01), Bates et al.

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