Biquad Filter
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Notes: U2 is a bandpass output, Gain = -R1/R4 (inverting) U3 is a lowpass output, Gain = -R3/R4 (inverting) R is chosen arbitrary Specify f, Q and C1/C2. Then compute R3/R2 and R1. To compute R4 specify gain. |
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Notes: U2 is a bandpass output, Gain = -R1/R4 (inverting) U3 is a lowpass output, Gain = -R3/R4 (inverting) R is chosen arbitrary Specify f, Q and C1/C2. Then compute R3/R2 and R1. To compute R4 specify gain. |