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• Mathematical models and simulation of Costas loops 

  Yuldashev, Marat (University of Jyväskylä, 2013)

• Synthesis of phase-locked loop : analytical methods and simulation 

  Yuldashev, Renat (University of Jyväskylä, 2013)

• Hold-in, Pull-in and Lock-in Ranges for Phase-locked Loop with Tangential Characteristic of the Phase Detector 

  Blagov, M. V.; Kuznetsova, O. A.; Kudryashov, E. V.; Kuznetsov, Nikolay; Mokaev, T. N.; Mokaev, R. N.; Yuldashev, M. V.; Yuldashev, R. V. (Elsevier, 2019)

  In the present paper the phase-locked loop (PLL), an electric circuit widely used in telecommunications and computer architectures is considered. A new modification of the PLL with tangential phase detector characteristic ...

• Harmonic balance analysis of pull-in range and oscillatory behavior of third-order type 2 analog PLLs 

  Kuznetsov, N.V.; Lobachev, M.Y.; Yuldashev, M.V.; Yuldashev, R.V.; Kolumbán, G. (Elsevier, 2020)

  The most important design parameters of each phase-locked loop (PLL) are the local and global stability properties, and the pull-in range. To extend the pull-in range, engineers often use type 2 PLLs. However, the engineering ...

• Non-linear analysis of a modified QPSK Costas loop 

  Kuznetsov, N. V.; Blagov, M. V.; Kudryashova, E. V.; Ladvanszky, J.; Yuldashev, M. V.; Yuldashev, R. V. (IFAC; Elsevier, 2019)

  A Costas loop is one of the classical phase-locked loop based circuits, which demodulates data and recovers carrier from the input signal. The Costas loop is essentially a nonlinear control system and its nonlinear analysis ...