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Active Second-Order Bandpass Filter Circuit

2015-01-14 02:47  
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This filter circuit which uses LM1458 or similar op amp has a response of 300 Hz to 3.4 kHz with 12 dB/octavc roll-off outside the pass band. Sqction A is the high-pass one, followed by low-pass section B.
Active Second-Order Bandpass Filter Circuit

Values of-either section can be scaled to alter the pass band.

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