About: http://webisa.webdatacommons.org/296508020

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	Note that in the implementation shown in FIG. 9, the power amplifier 10 is an inverting amplifier so that its output voltage is used as the reference voltage VREF in order to have negative feedback.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com