The K Factor: A New Mathematical Tool For Stability Analysis and Synthesis

Analysis of the stability of feedback loops has always been a subject that was shrouded in mystery and confusion. Recent efforts to clear away some of these problems have helped, but even with computer-aided design, a certain amount of trial-and-error remained. This paper presents a new mathematical concept that is simple but powerful. The techniques described allow synthesis of a feedback amplifier with a few algebraic equations to obtain any desired crossover frequency and phase margin (within reason) on the first try.

In this white paper, we will review:k factor wp

  • The Nature of Loops
  • What Stability Means
  • The Importance of Phase 
  • The Nature of Modulators
  • Three Basic Amplifiers 
  • The K Factor

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