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Phase mismatch in phase switching frequency dividers
Conference proceeding

Phase mismatch in phase switching frequency dividers

M.A. El Sheikh, A. Hafez and ECE-CUFE
Proceedings of the 12th IEEE International Conference on Fuzzy Systems (Cat. No.03CH37442), Vol.2003-, pp.106-109
2003
DOI: https://doi.org/10.1109/ICM.2003.238423

Abstract

Circuits Flip-flops Frequency conversion Logic gates Phase locked loops Programmable control Radio frequency Signal design Switching frequency Voltage-controlled oscillators
Multi modulus prescalers based on the phase-switching technique suffer from a spur problem due to the finite phase accuracy. The spur problem is outlined and the spurs locations and magnitudes are derived. Simulations revealing the effect of this problem on integer-N and fractional-N PLL are presented.

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