About: http://webisa.webdatacommons.org/51364586

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	Then, these transistors Q1, Q2 in conductive types reverse to each other are supplied with currents i1 and i2, always in a fixed ratio relationship, by a current mirror circuit formed by transistors Q3, Q4, and resistors R2, R3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es