What question did this study set out to answer?

This research aims to analyze the effects of input frequency variations on the performance of phase-locked loops (PLLs), focusing on synchronization aspects.

April 11, 2026Annals of TelecommunicationsOpen Access

Effect of input frequency variation in PLL detection: a non-reductionist approach

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Authors

JPJosé Roberto C. PiqueiraUniversidade de São Paulo IFIsabelle Coelho FrancoUniversidade de São Paulo AGAntonio Carlos de Bastos GodoiUniversidade de São Paulo

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Implication

The paper explores how input frequency variations affect synchronization in PLL circuits, suggesting improvements in electronic signal detection.

Key Points

This research aims to analyze the effects of input frequency variations on the performance of phase-locked loops (PLLs), focusing on synchronization aspects.
Utilized a state-space model to account for signal frequency behavior.
Considered accessible measurable signals instead of unmeasurable phase differences.
Investigated double-frequency components generated during phase detection.
Identified boundaries between synchronization and non-synchronization regions in parameter space.
Demonstrated that the phase non-reductionist approach improves PLL performance by considering frequency behavior directly.
Highlighted the analytical demands of this approach but indicated its potential for enhancing clock detection accuracy.

Cite This Study

Piqueira et al. (2026) studied this question.

synapsesocial.com/papers/69d9e67a78050d08c1b76d5a https://doi.org/10.1007/s12243-026-01174-9

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Implication

The paper explores how input frequency variations affect synchronization in PLL circuits, suggesting improvements in electronic signal detection.

Effect of input frequency variation in PLL detection: a non-reductionist approach

Discussion

Member takes

Implication

Key Points

Cite This Study

Effect of input frequency variation in PLL detection: a non-reductionist approach

Discussion

Member takes

Implication

Key Points

Cite This Study

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