About: http://webisa.webdatacommons.org/62251306

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	Fref is a signal applied to the DDM that can come from a source that operates at a suitable clock frequency, including an integer-N frequency synthesizer, fractional-N synthesizer, crystal oscillator, or other suitable sources.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr