E. Bradley and D. Straub, "Using Chaos to Improve the Capture Range of a Phase-Locked Loop: Experimental Verification," IEEE Transactions on Circuits and Systems, 43:914-922 (1996).

Abstract

In this paper, we present and discuss some circuit experiments that verify our previous claims, which were based on numerical simulations of mathematical models, that chaos can be used to broaden the capture range of the common phase-locked loop circuit.

Full paper in postscript (200KB) and pdf (600KB).