FIELD: electricity.
SUBSTANCE: strip active piezoelectric filter with constant input resistance includes differential operating amplifiers with negative feedback 1, 2, piezoelectric resonators 3, 5, 7, 10 and resistors 4, 6, 8, 9, 11, 12, 13, 14, 15.
EFFECT: providing input resistance not depending on frequency.
2 dwg
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