![]() View attachment 5th Order Butterworth - Transient 100Hz.pdfĪnd the Transient 1kHz is starting to go wrong: The Transient 100Hz looks somewhat reasonable, though it is clipping on the negative swing: View attachment SC 5th Order Butterworth - Bode.pdf The resulting Bode Plot is nothing like a LPF: View attachment SC 5th Order Butterworth - Circuit - Inverting Switch Block 2.pdf View attachment SC 5th Order Butterworth - Circuit - Inverting Switch Block.pdf With the heirachal inverting blocks implemented like so: View attachment SC 5th Order Butterworth - Circuit.pdf The circuit looks like so (note all components are Ideal): I am trying to replicate a design used in "Design with Operational Amplifiers and Analog Integrated Circuits" by Sergio Franco in Figure 4.33 using Ideal components, where the component values have been worked out in Example 4.13 for f_c = 1kHz at a f_ck = 100kHz and providing the following capacitor values:Ĭ_Ri = C_Ro = C_0 = 1pF, C_C1 = C_C5 = 9.84pF, C_L2 = C_L4 = 25.75pF, and C_C3 = 31.83pF. I am wondering if someone could help me with designing a 5th Order Butterworth LPF using a Switching Capacitor topology in NI Multisim 13.0?
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