About: http://webisa.webdatacommons.org/167767756

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	Summer amplifiers 3418 and 3419 can be implemented using known op amp summer circuits, which can be designed to have a specified gain or attenuation, including unity gain.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com