FILTER-DESIGNER helps designers implement an analog op-amp filter design.

Different KnowledgeBase aids include:

• What type of filter do I need? - A guide for beginners. This tutorial walks a designer through the basic concepts, and guides them to the correct type of filter for their application.
• The Filter Wizard - for less experienced designers. The Filter Wizard gives solutions that offer the best compromise of performance and low component count for single supply, voltage feedback op amp filter design. These design solutions should satisfy 90% of filter design needs.
• The Filter Expert - for more experienced designers. The Filter Expert gives a comprehensive set of design solutions - for critical applications that demand tighter filter performance. Filter options such as split (dual) supplies, fully differential op amp filters, and current feedback filters are supported, as are Bessel and Chebyshev response curves. Options that are deemed impracticle - leading to unreasonable resistance values, large numbers of op amps for a simple function, etc. are not supported.

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