Band Stop Filter
Posted in Learning

Band Stop Filter

A band Stop Filter known also as a Notch Filter, blocks and rejects frequencies that lie between its two cut-off…

State Variable Filter
Posted in Learning

State Variable Filter

The state variable filter is a type of multiple-feedback filter circuit that can produce all three filter responses, Low Pass,…

Second Order Filters
Posted in Learning

Second Order Filters

Second Order (or two-pole) Filters consist of two RC filter sections connected together to provide a -40dB/decade roll-off rate. Second…