About: http://webisa.webdatacommons.org/178902294

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The PLL locks" precisely to the input signal frequency and assures that the above described sampling process occurs exactly at a known rate with respect to the line frequency whether that be 50 or 60 Hertz or other line frequency.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es