modified 9 years ago

bandpass filter without inductor

00:45:31

bandpass filter, passes 9.95 khz at 20 db
with no use of inductor

published 9 years ago

hurz

9 years ago

With some adaptation to impedance it can be done much less complex. In this frequency range it doen't make sense to work with a gyrator. http://everycircuit.com/circuit/4614440918188032

oO_toOomy_Oo

9 years ago

cool but the idea here is without using inductor... so the two opposite op amp and the resistors and capacitors between them.. act like an inductor

hurz

9 years ago

Thats what I said, its called gyrator and can be replaced with an ordinary coil as long as the coil can be made in reality.

oO_toOomy_Oo

9 years ago

aha ...thaaaanks

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