FIELD: electricity.
SUBSTANCE: filter contains differential amplifier and two-terminal elements. The first two-terminal element is made in the form of an inductance coil, capacitor and two-terminal element, the second one contains an inductance coil and two two-terminal elements, the third one is made in the form of inductance coil and capacitor and the fourth two-terminal element consists of two two-terminal elements, each of which contains serially connected inductance coil and capacitor.
EFFECT: low-pass active filter scheme with a rejection of a portion of the spectrum in a passband.
3 dwg
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