Iterated-map circuit creates chaos

Lars Keuninckx @ edn.com writes:

The Design Idea circuit shown below is a simple implementation of an iterated unimodal map, reminiscent of the logistic or Verhulst map encountered in the study of nonlinear dynamics. It is useful to show chaotic discrete-time dynamics to students, or as a random number generator. Specifically, the circuit implements: V_k+1 = rF(V_k), where F is a nonlinear unimodal function (a “bump”), implemented by the circuit in the dashed box. The response of this circuit is shown in the V_out vs. V_in plot.

Iterated-map circuit creates chaos – [Link]

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