Considering second-harmonic terms in the operation of the phase detector for second-order phase-locked loop
JRC Piqueira, LHA Monteiro - IEEE Transactions on Circuits …, 2003 - ieeexplore.ieee.org
IEEE Transactions on Circuits and Systems I: Fundamental Theory …, 2003•ieeexplore.ieee.org
We study the influence of the double-frequency term in the operation of the nonlinear
second-order phase-locked loop (PLL). We show that oscillations around the synchronous
state obtained from simplified models are unavoidable and we give, in analytical and
graphical form, an approximated expression of how the amplitude of the oscillations
depends on the normalized loop gain. Numerical simulations confirm the results providing
some hints about how to set the PLL gain.
second-order phase-locked loop (PLL). We show that oscillations around the synchronous
state obtained from simplified models are unavoidable and we give, in analytical and
graphical form, an approximated expression of how the amplitude of the oscillations
depends on the normalized loop gain. Numerical simulations confirm the results providing
some hints about how to set the PLL gain.
We study the influence of the double-frequency term in the operation of the nonlinear second-order phase-locked loop (PLL). We show that oscillations around the synchronous state obtained from simplified models are unavoidable and we give, in analytical and graphical form, an approximated expression of how the amplitude of the oscillations depends on the normalized loop gain. Numerical simulations confirm the results providing some hints about how to set the PLL gain.
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