ADF4212BRUZ.pdf

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ADF4210/ADF4211/ADF4212/ADF4213 ¡ª §ï§ä§à §Õ§Ó§å§ç§é§Ñ§ã§ä§à§ä§ß§í§Ö

§ã§Ú§ß§ä§Ö§Ù§Ñ§ä§à§â, §Ü§à§ä§à§â§í§Û §Þ§à§Ø§ß§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §Õ§Ý§ñ §â§Ö§Ñ§Ý§Ú§Ù§Ñ§è§Ú§Ú §Ô§Ö§ä§Ö§â§à§Õ§Ú§ß§à§Ó (LO)

§Ó §â§Ñ§Ù§Õ§Ö§Ý§Ñ§ç §á§â§Ö§à§Ò§â§Ñ§Ù§à§Ó§Ñ§ß§Ú§ñ §ã §á§à§Ó§í§ê§Ö§ß§Ú§Ö§Þ §Ú §á§à§ß§Ú§Ø§Ö§ß§Ú§Ö§Þ §é§Ñ§ã§ä§à§ä§í §Ò§Ö§ã§á§â§à§Ó§à§Õ§ß§í§ç

§á§â§Ú§Ö§Þ§ß§Ú§Ü§Ú §Ú §á§Ö§â§Ö§Õ§Ñ§ä§é§Ú§Ü§Ú.§°§ß§Ú §Þ§à§Ô§å§ä §à§Ò§Ö§ã§á§Ö§é§Ú§ä§î §Ô§Ö§ä§Ö§â§à§Õ§Ú§ß §Ü§Ñ§Ü §Õ§Ý§ñ

§ã§Ö§Ü§è§Ú§Ú §£§¹ §Ú §±§¹.§°§ß§Ú §ã§à§ã§ä§à§ñ§ä §Ú§Ù §Þ§Ñ§Ý§à§ê§å§Þ§ñ§ë§Ö§Ô§à §è§Ú§æ§â§à§Ó§à§Ô§à PFD

(§æ§Ñ§Ù§à§é§Ñ§ã§ä§à§ä§ß§í§Û §Õ§Ö§ä§Ö§Ü§ä§à§â), §á§â§Ö§è§Ú§Ù§Ú§à§ß§ß§í§Û §Ù§Ñ§â§ñ§Õ§à§Ó§í§Û §ß§Ñ§ã§à§ã, §á§â§à§Ô§â§Ñ§Þ§Þ§Ú§â§å§Ö§Þ§í§Û §ï§ä§Ñ§Ý§à§ß§ß§í§Û §Õ§Ö§Ý§Ú§ä§Ö§Ý§î, §á§â§à§Ô§â§Ñ§Þ§Þ§Ú§â§å§Ö§Þ§í§Ö §ã§é§Ö§ä§é§Ú§Ü§Ú A §Ú B.

§Ú §Õ§Ó§å§ç§Þ§à§Õ§å§Ý§î§ß§í§Û §á§â§Ö§Õ§Ó§Ñ§â§Ú§ä§Ö§Ý§î§ß§í§Û §Õ§Ö§Ý§Ú§ä§Ö§Ý§î (P/P + 1).

(12-§Ò§Ú§ä§ß§í§Ö) §ã§é§Ö§ä§é§Ú§Ü§Ú §Ó §ã§à§é§Ö§ä§Ñ§ß§Ú§Ú §ã §á§â§Ö§Õ§Ó§Ñ§â§Ú§ä§Ö§Ý§î§ß§í§Þ §Õ§Ö§Ý§Ú§ä§Ö§Ý§Ö§Þ §Õ§Ó§à§Û§ß§à§Ô§à §Þ§à§Õ§å§Ý§ñ

(P/P + 1), §â§Ö§Ñ§Ý§Ú§Ù§à§Ó§Ñ§ä§î §Õ§Ö§Ý§Ú§ä§Ö§Ý§î N (N = BP + A).

14-§Ò§Ú§ä§ß§í§Û §ã§é§Ö§ä§é§Ú§Ü §ã§ã§í§Ý§à§Ü (R Counter), §á§à§Ù§Ó§à§Ý§ñ§Ö§ä §Ó§í§Ò§Ú§â§Ñ§ä§î

§¹§Ñ§ã§ä§à§ä§í REFIN §ß§Ñ §Ó§ç§à§Õ§Ö PFD.§±§à§Ý§ß§Ñ§ñ PLL (PhaseLocked Loop) §Þ§à§Ø§Ö§ä §Ò§í§ä§î §â§Ö§Ñ§Ý§Ú§Ù§à§Ó§Ñ§ß§Ñ, §Ö§ã§Ý§Ú §ã§Ú§ß§ä§Ö§Ù§Ñ§ä§à§â §Ú§ã§á§à§Ý§î§Ù§å§Ö§ä§ã§ñ §ã

§Ó§ß§Ö§ê§ß§Ú§Û §á§Ö§ä§Ý§Ö§Ó§à§Û §æ§Ú§Ý§î§ä§â §Ú VCO (§Ô§Ö§ß§Ö§â§Ñ§ä§à§â§í, §å§á§â§Ñ§Ó§Ý§ñ§Ö§Þ§í§Ö §ß§Ñ§á§â§ñ§Ø§Ö§ß§Ú§Ö§Þ).

§µ§á§â§Ñ§Ó§Ý§Ö§ß§Ú§Ö §Ó§ã§Ö§Þ§Ú §Ó§ã§ä§â§à§Ö§ß§ß§í§Þ§Ú §â§Ö§Ô§Ú§ã§ä§â§Ñ§Þ§Ú §à§ã§å§ë§Ö§ã§ä§Ó§Ý§ñ§Ö§ä§ã§ñ §é§Ö§â§Ö§Ù §á§â§à§ã§ä§à§Û §ä§â§Ö§ç§á§â§à§Ó§à§Õ§ß§à§Û §Ú§ß§ä§Ö§â§æ§Ö§Û§ã.

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ADF4210: 550 §®§¤§è/1,2 §¤§¤§è

ADF4211: 550 §®§¤§è/2,0 §¤§¤§è

ADF4212: 1,0 §¤§¤§è/2,7 §¤§¤§è

ADF4213: 1,0 §¤§¤§è/3 §¤§¤§è

§ª§ã§ä§à§é§ß§Ú§Ü §á§Ú§ä§Ñ§ß§Ú§ñ §à§ä 2,7 §£ §Õ§à 5,5 §£

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§£§¹ §Ú §±§¹: 8/9, 16/17, 32/33, 64/65

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CDMA, WCDMA)

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