A Study on the Design of a Testable Fleischer-Laker Switched-Capacitor Biquad

摘要

The Fleischer-Laker Switched-Capacitor (SC) biquad is a versatile building block for implementing analog filters. This paper studies how to design a testable Fleischer-Laker SC biquad based on the static linear behavior (SLB) analog fault model. In particular, we focus on how to achieve a 100% parametric fault coverage without sacrificing the design flexibility. We suggest not to use the capacitors L, K, and J in the most generalized Fleischer-Laker biquad so as to achieve a 100% parametric fault coverage defined by the SLB analog fault model.