Digital Signal Processing

    

Behavior Model of Noise Phase in a Phase Locked Loop Employing Sigma Delta Modulator

Authors: Tayebeh Ghanavati Nejad, Ebrahim Farshidi

This paper proposes two techniques for fractional-N synthesizers to cancel the quantization noise and spurs. This technique has advantages over the dynamic element matching (DEM), also for recovering the input rising edges signals during the reset and improving the frequency effect, delay elements (Des) is inserted in the input and feedback signal paths of PFDs. Simulation results, has been performed to validate the claim.

Comments: 12 Pages.

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Submission history

[v1] 2014-05-07 05:01:32

Unique-IP document downloads: 631 times

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