MFB second-order single-supply low-pass filter. The gain of this circuit is equal to -R₂/R₁; V_CM = V+/2

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Other Materials from the Main Document

• Article «Closer to real-world analog filters»
• Figure 1. MFB second-order single-supply low-pass filter. The gain of this circuit is equal to -R₂/R₁; V_CM = V+/2
• Figure 2. Sallen-Key second-order, single-supply filter. The gain of this circuit is 1 +R₂/R₁; V_CM = V+/2
• Figure 3. A Sallen-Key second-order, dual-supply, low-pass unity gain filter. The gain of this circuit is equal to 1 V/V