AbstractThe phase error statistics of a first‐order phase‐locked loop in the presence of multiple cochannel CW interference and additive noise is derived. An accurate numerical solution based on the nonlinear theory is outlined. Approximate analytical formulae are obtained from the linear theory for low interference‐to‐signal ratios. The linear analysis shows that the phase error statistics in the linear approximation depends only on the interference‐to‐signal ratio independent of the number of interferers and the interference power distribution. Errors appeared in some of the numerical results reported by Yoon and Lindsey [1] in the single interferer case are identified and corrected. Numerical examples forN= 2, 3, and 6 interferers of equal power are given. The effect of the interference power distribution is i
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