OA-21 Component Pre-distortion for Sallen Key Filters (Rev. B)

Texas Instruments

Published Date: 04/17/2013

Description

This application report shows a simple component pre-distortion method that works for many popularSallen-Key (also called KRC or VCVS [voltage-controlled voltage-source]) filter sections. This methodcompensates for voltage-feedback and current-feedback op amps. Several examples illustrate thismethod.