标签: 典书

锁相环经典书籍MessagefromtheAuthorIfirstbecamefamiliarwithPLLsbyworkingforNationalSemiconductorasanapplicationsengineer.Whilesupportingcustomers,Inoticedthatthereweremanyrepeatquestions.Insteadofcreatingthesameresponseoverandover,itmademoresensetocreateadocument,worksheet,orprogramtoaddresstheserecurringquestionsingreaterdetailandjustre-sendthefile.Fromallofthesedocuments,worksheets,andprograms,thisbookwasborn.ManyquestionsconcerningPLLscanbeansweredthroughagreaterunderstandingoftheproblemandthemathematicsinvolved.Byapproachingproblemsinarigorousmathematicalwayonegainsagreaterlevelofunderstanding,agreaterlevelofsatisfaction,andtheabilitytoapplytheconceptslearnedtootherproblems.Many……