Sk filter - PowerPoint PPT Presentation

Sallen and Key Filter

Sallen and Key Filter. 14.4. Unity Gain Sallen and Key Filter. SK Filter with Gain more than 1. R1=R2, C1=C2. Sensitivity of ω n. Sensitivity of Q. R2/R1=1, C2/C1=1, K=1. Q↑→Increased sensitivity to component variations. Q=2, C2/C1=1, R2/R1=1.

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Design of a SK Filter

Design of a SK Filter. SK Filter. AC Voltage. Design Criteria. R2/R1=1 C2/C1=1 Q=1/2 K=1 Design for C=100 nF fo=10 KHz. AC analysis. Add Trace. Options. Frequency Response. Phase Response.

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227 views • 10 slides

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