Design 6th Order Butterworth Anti Alias Filter

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A user seeks assistance in designing a 6th order Butterworth Anti Alias Filter using a 2nd order Sallen & Key configuration. The forum emphasizes the importance of showing prior work before receiving help. Participants inquire about the user's understanding of Sallen & Key filter topologies and the number of op-amps needed for the design. Additionally, they ask about the polynomial form necessary for the filter. The discussion focuses on guiding the user to develop their design skills in filter design.
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Hi guys,

please help me this problem.
A certain application requires a 6th order Butterworth type Anti Alias Filter (AAF). The configuration in 2nd order Sallen & Key Filter is to be used and carry out a component level design of the filter.
thnkx.
 
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Thread moved from EE to Homework Help Engineering.

Welcome to the PF, pavvi59. We do require that you show some of your own work before we can offer tutorial help. So what can you show us about Sallen & Key filter topologies? How many opamps will be required to make a 6th order filter? What polynomial form will you need to use?
 
Thread 'Have I solved this structural engineering equation correctly?'

Thread 'Have I solved this structural engineering equation correctly?'

Hi all, I have a structural engineering book from 1979. I am trying to follow it as best as I can. I have come to a formula that calculates the rotations in radians at the rigid joint that requires an iterative procedure. This equation comes in the form of: $$ x_i = \frac {Q_ih_i + Q_{i+1}h_{i+1}}{4K} + \frac {C}{K}x_{i-1} + \frac {C}{K}x_{i+1} $$ Where: ## Q ## is the horizontal storey shear ## h ## is the storey height ## K = (6G_i + C_i + C_{i+1}) ## ## G = \frac {I_g}{h} ## ## C...
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