86.2 Equivalent Structures There are literally an infinite number of equivalent structures realizing the same transfer function It is thus impossible to develop all equivalent realizations In this course we restrict our attention to a discussion of some commonly used structures§6.2 Equivalent Structures • There are literally an infinite number of equivalent structures realizing the same transfer function • It is thus impossible to develop all equivalent realizations • In this course we restrict our attention to a discussion of some commonly used structures