{HEAD ~ A design structure} stored on {TAIL ~ a computer storage medium}, said design structure comprising elements which when executed by a computer aided design system generates a computer executable representation of a precision integrated phase lock loop circuit loop filter, the design structure comprising: 
stored on
{ HEAD ~ A design structure } stored on { TAIL ~ a computer storage medium } , said design structure comprising elements which when executed by a computer aided design system generates a computer executable representation of a precision integrated phase lock loop circuit loop filter , the design structure comprising :
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