About: http://webisa.webdatacommons.org/7773139

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 circuit according to claim 9 wherein the first input terminal of the operational amplifier is an inverting input terminal and the second input terminal of the operational amplifier is a non-inverting input terminal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au