Author - Aaron Netsell

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Aaron Netsell	Write for Microwaves & RF

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February 2009 [Communications]
Gauge Phase Noise Impact On WiMAX APs
Phase locked loops (PLLs) are common to many communications systems, including in WiMAX Access Points (AP). By performing an analysis of the phase-noise contributions of the PLLs within a WiMAX AP frequency chain, which is essentially the string of PLLs in the system starting with the frequency reference in the controller and ending with the transmitter local oscillator (LO) in the RF head, it is possible to better understand the impact that each PLL has on overall system...