Volume 7, Issue 3 (September 2011)                   IJEEE 2011, 7(3): 161-167 | Back to browse issues page

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Mohseni-Kolagar F, Miar-Naimi H. Closed-Form Analytical Equations to Transient Analysis of Bang-Bang Phase-Locked Loops. IJEEE 2011; 7 (3) :161-167
URL: http://ijeee.iust.ac.ir/article-1-341-en.html
Closed-Form Analytical Equations to Transient Analysis of Bang-Bang Phase-Locked Loops
F. Mohseni-Kolagar , H. Miar-Naimi
Abstract:   (6970 Views)
Due to the nonlinear nature of the Bang-Bang phase-locked loops (BBPLLs), its transient analysis is very difficult. In this paper, new equations are proposed for expression of transient behavior of the second order BBPLLs to phase step input. This approach gives new insights into the transient behavior of BBPLLs. Approximating transient response to reasonable specific waveform the loop transient time characteristics such as locking time, peak time, rise time and over shoot are derived with acceptable accuracy. The validity of the resulted equations is verified through simulations using MATLAB SIMULINK. Simulation results show the high accuracy of the proposed method to model BBPLLs behavior.
Keywords: Bang-Bang PLL , Nonlinear Operation , Transient Analysis , CDR Circuits , Alexander PD
Full-Text [PDF 286 kb]   (3854 Downloads)    
Type of Study: Research Paper | Subject: Integrated Circuits: Digital, Analog
Received: 2010/11/08 | Revised: 2011/12/24 | Accepted: 2011/09/17
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