Lock-in range of classical PLL with impulse signals and proportionally-integrating filter

Aleksandrov, K. D.; Kuznetsov, N. V.; Leonov, G. A.; Yuldashev, M. V.; Yuldashev, R. V.

doi:10.48550/arxiv.1603.09363

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Hold-in and Lock-in Ranges1

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2018

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“…9). Therefore we can use estimates of the lock-in range of classic PLL with corresponding PD characteristics [10,24,25].…”

Section: Hold-in and Lock-in Rangesmentioning

confidence: 99%

PLL and Costas loop based carrier recovery circuits for 4QAM: non-linear analysis and simulation

Kuznetsov¹,

Ladvanszky²,

Yuldashev³

et al. 2018

Preprint

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Design of stable carrier recovery circuits are used in many applications: wireless digital communication, optical communication, microwave devices and other applications. Quadrature Phase-Shift Keying (QPSK, 4-QAM) is used as modulation technique in many of these applications, since QPSK provides double the data rate of classic Binary PSK (BPSK) modulation. Analysis of Costas loop is a hard task because of its non-linearity. In this work we consider two well-known modifications of 4QAM Costas loop circuits and discuss a new circuit proposed by J. Ladvanszky. MATLAB Simulink models of the circuits are provided and the noise analysis is performed.

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“…9). Therefore we can use estimates of the lock-in range of classic PLL with corresponding PD characteristics [10,24,25].…”

Section: Hold-in and Lock-in Rangesmentioning

confidence: 99%

PLL and Costas loop based carrier recovery circuits for 4QAM: non-linear analysis and simulation

Kuznetsov¹,

Ladvanszky²,

Yuldashev³

et al. 2018

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

Lock-in range of classical PLL with impulse signals and proportionally-integrating filter

Abstract: In the present work the model of PLL with impulse signals and active PI filter in the signal's phase space is described. For the considered PLL the lock-in range is computed analytically and obtained result are compared with numerical simulations.

Cited by 1 publication

References 10 publications

PLL and Costas loop based carrier recovery circuits for 4QAM: non-linear analysis and simulation

PLL and Costas loop based carrier recovery circuits for 4QAM: non-linear analysis and simulation

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