About: http://webisa.webdatacommons.org/172249304

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 component is receivered a signal is a photodiode D1, the signal that across D1 will be sended to the filter circuit that will allows the 5KHz frequency only can through it.
http://www.w3.org/ns/prov#wasQuotedFrom	eleccircuit.com